Fjisawa Takeshi 藤澤剛

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Fujisawa Takeshi 藤澤剛

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Researcher Number	70557660
Other IDs
Affiliation (Current)	2025: 法政大学, 理工学部, 教授
Affiliation (based on the past Project Information) *help	2024 – 2025: 法政大学, 理工学部, 教授 2018 – 2023: 北海道大学, 情報科学研究院, 准教授 2014 – 2017: 北海道大学, 情報科学研究科, 准教授
Review Section/Research Field	Principal Investigator Basic Section 21060:Electron device and electronic equipment-related / Medium-sized Section 21:Electrical and electronic engineering and related fields / Electron device/Electronic equipment Except Principal Investigator Basic Section 21060:Electron device and electronic equipment-related
Keywords	Principal Investigator 光ファイバ通信 / モード分割多重 / 光デバイス / フォトニック結晶ファイバ / シリコンフォトニクス / 平面光波回路 / 光通信 / 非線形光学効果 / トポロジカルファイバ / Siフォトニクス … More / 波長分割多重 / 光空間状態 / 螺旋ツイスト / 光起動角運動量 / 幾何位相 / 光軌道角運動量 / ツイストフォトニック結晶ファイバ / モード分割多重通信 / 光導波路デバイス / 計算機科学 / 光ファイバ … More Except Principal Investigator 結晶成長 / 半導体レーザ / バンド構造 / 超格子 / 中赤外線 / InAs/GaSb / MOVPE / PLスペクトル / 発光遷移図 / 発光の温度-励起強度ダイアグラム / エネルギーバンド計算 / 励起光強度依存性 / フォトルミネッセンス / バンド計算 / MOVPE法 / 中赤外光源 / 超格子構造 Less

モザイク素子による超小型チップ内通信用光集積回路の研究Principal Investigator
- Principal Investigator
  
  藤澤剛
- Project Period (FY)
  2025 – 2028
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  Hosei University
格子緩和層とType-II型ヘテロ材料を用いた半導体レーザによる高温動作限界の打破
- Principal Investigator
  
  荒井昌和
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  University of Miyazaki
超高非線形、及び、任意光空間状態生成応用のためのトポロジカルファイバの研究Principal Investigator
- Principal Investigator
  
  藤澤剛
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 21:Electrical and electronic engineering and related fields
- Research Institution
  Hokkaido University
Novel broadband mid-infrared emitting quantum structures fabricated by metal organic vapor phase epitaxy
- Principal Investigator
  
  前田幸治
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  University of Miyazaki
A research on the optical circuits for Tbit/s optical Ethernet system using wavelength/mode division multiplexingPrincipal Investigator
- Principal Investigator
  
  Fujisawa Takeshi
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  Hokkaido University
Creation of arbitrary spatial state of light based on helically twisted photonic crystal fiber using geometric phasePrincipal Investigator
- Principal Investigator
  
  Fujisawa Takeshi
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 21:Electrical and electronic engineering and related fields
- Research Institution
  Hokkaido University
A research on the planar optical devices for manipulating spatial state of light for large-capacity optical communication systemPrincipal Investigator
- Principal Investigator
  
  Fujisawa Takeshi
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  Hokkaido University
A research on the optical circuits for large capacity, mode-division multiplexed optical communication systemPrincipal Investigator
- Principal Investigator
  
  Fujisawa Takeshi
- Project Period (FY)
  2016 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  Hokkaido University
A research on the design method of optical transmitters for large capacity, mode-division multiplexed LAN optical communication systemPrincipal Investigator
- Principal Investigator
  
  Fujisawa Takeshi
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  Hokkaido University

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 Other

All Journal Article Presentation Patent

[Journal Article] Metal Organic Vapor‐Phase Epitaxy Growth of Multilayer Stacked InAsSb/InAsP Superlattices on GaAs and InAs Substrate2024
- Author(s)
  Hombu Koki、Hikita Kenshiro、Fujisawa Takeshi、Maeda Koji、Arai Masakazu
- Journal Title
  
  physica status solidi (a)
  
  Volume: - Issue: 13
- DOI
  10.1002/pssa.202300824
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K04245
[Journal Article] Ultrasmall Power Splitters With Triangular Lattice Mosaic Patterns Designed by Bayesian DBS Method2023
- Author(s)
  Fujisawa Takeshi、Mitarai Takuya、Sawada Yusuke、Okimoto Takuya、Kono Naoya、Fujiwara Naoki、Muratsubaki Taichi、Yagi Hideki
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 35 Issue: 21 Pages: 1139-1142
- DOI
  10.1109/lpt.2023.3306313
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] Bayesian design of mosaic-based mode multiplexers for various wavelength bands2023
- Author(s)
  Fujisawa Takeshi、Mitarai Takuya、Okimoto Takuya、Kono Naoya、Fujiwara Naoki、Sato Takanori、Yagi Hideki、Saitoh Kunimasa
- Journal Title
  
  Optics Express
  
  Volume: 31 Issue: 16 Pages: 26842-26842
- DOI
  10.1364/oe.492673
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] 6-mode and 10-mode photonic lantern mode multi/demultiplexers based on silica planar lightwave circuit2023
- Author(s)
  Wang Han、Fujisawa Takeshi、Sato Takanori、Mori Takayoshi、Sakamoto Taiji、Yamashita Yoko、Imada Ryota、Nakajima Kazuhide、Saitoh Kunimasa
- Journal Title
  
  Optics Communications
  
  Volume: 529 Pages: 129098-129098
- DOI
  10.1016/j.optcom.2022.129098
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22H00201, KAKENHI-PROJECT-21H01378
[Journal Article] Arbitrary higher-order optical spatial state generation by using spontaneously broken degeneracy modes in helically twisted ring-core hole assisted fibers2022
- Author(s)
  Fujisawa Takeshi、Saitoh Kunimasa
- Journal Title
  
  Optics Express
  
  Volume: 30 Issue: 14 Pages: 24565-24565
- DOI
  10.1364/oe.463607
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K20988
[Journal Article] MOVPE法で作製したGaSb層厚を変化させたInAs/GaSb超格子の中赤外発光過程2022
- Author(s)
  前田幸治, 大濱寛士, 岩切優人, 荒井昌和, 藤澤剛
- Journal Title
  
  宮崎大学工学部紀要
  
  Volume: 51 Pages: 35-40
- Data Source
  KAKENHI-PROJECT-22K04245
[Journal Article] A novel algorithm of wavefront-matching method for stable and efficient design of Si waveguides2022
- Author(s)
  Yusuke Sawada, Takeshi Fujisawa, Takanori Sato, and Kunimasa Saitoh
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 34 Issue: 7 Pages: 359-362
- DOI
  10.1109/lpt.2022.3159830
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20J11564, KAKENHI-PROJECT-21H01378
[Journal Article] Hybrid algorithm based on the grey wolf optimizer and direct binary search for the efficient design of a mosaic-based device2022
- Author(s)
  Nakamura Kodai、Fujisawa Takeshi、Saitoh Kunimasa
- Journal Title
  
  Journal of the Optical Society of America B
  
  Volume: 39 Issue: 5 Pages: 1329-1329
- DOI
  10.1364/josab.451593
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01378, KAKENHI-PROJECT-22KJ0053
[Journal Article] Comparison of Scalar and Vector WFM Method Through the Design of High-Δ Waveguide Lenses2022
- Author(s)
  Sawada Yusuke、Fujisawa Takeshi、Sato Takanori、Saitoh Kunimasa
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 34 Issue: 10 Pages: 533-536
- DOI
  10.1109/lpt.2022.3170940
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] Direct-binary-search algorithm for fabrication-tolerant photonic-crystal-like subwavelength structures and its application to a four-mode waveguide crossing in 2 μm waveband2022
- Author(s)
  Muratsubaki Taichi、Fujisawa Takeshi、Sawada Yusuke、Sato Takanori、Saitoh Kunimasa
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 61 Issue: 4 Pages: 042003-042003
- DOI
  10.35848/1347-4065/ac54fc
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] Proposal of mosaic-based 2 × 2 3-dB couplers for prospective on-chip communication in mid-infrared wavelengths around 2.1??μm2022
- Author(s)
  Muratsubaki Taichi、Fujisawa Takeshi、Sato Takanori、Saitoh Kunimasa
- Journal Title
  
  Journal of the Optical Society of America B
  
  Volume: 39 Issue: 9 Pages: 2522-2522
- DOI
  10.1364/josab.460644
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] Bayesian direct-binary-search algorithm for the efficient design of mosaic-based power splitters2021
- Author(s)
  Fujisawa Takeshi、Saitoh Kunimasa
- Journal Title
  
  OSA Continuum
  
  Volume: 4 Issue: 4 Pages: 1258-1258
- DOI
  10.1364/osac.422116
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] Modal amplitude and phase estimation of multimode near field patterns based on artificial neural network with the help of grey-wolf-optimizer2021
- Author(s)
  Sugawara Naoto、Fujisawa Takeshi、Nakamura Kodai、Sawada Yusuke、Mori Takayoshi、Sakamoto Taiji、Imada Ryota、Matsui Takashi、Nakajima Kazuhide、Saitoh Kunimasa
- Journal Title
  
  Optical Fiber Technology
  
  Volume: 67 Pages: 102720-102720
- DOI
  10.1016/j.yofte.2021.102720
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02183, KAKENHI-PROJECT-21H01378
[Journal Article] Six-mode scrambler based on cascaded side-wall grating waveguides2021
- Author(s)
  Fujisawa Takeshi、Sakamoto Taiji、Miyata Masashi、Matsui Takashi、Hashimoto Toshikazu、Kasahara Ryoichi、Mori Takayoshi、Imada Ryota、Nakajima Kazuhide、Saitoh Kunimasa
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 60 Issue: 6 Pages: 062002-062002
- DOI
  10.35848/1347-4065/abfa31
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] Tunable broadband mode dividers based on wavelength insensitive coupler using thermo-optic effect for flexible modal power adjustment in MDM network2021
- Author(s)
  K. Nakamura, T. Fujisawa, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Journal Title
  
  Journal of the Optical Society of America B
  
  Volume: 38 Issue: 3 Pages: 946-952
- DOI
  10.1364/josab.415499
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] High-tolerance CWDM4 wavelength multiplexer based on 2×2/2×1 MZ filters with polarization multiplexing2021
- Author(s)
  Nakamura Kodai、Fujisawa Takeshi、Sato Takanori、Saitoh Kunimasa
- Journal Title
  
  IEICE Electron. Express
  
  Volume: 18 Issue: 8 Pages: 20210110-20210110
- DOI
  10.1587/elex.18.20210110
- NAID
  130008029753
- ISSN
  1349-2543
- Year and Date
  2021-04-25
- Language
  English
- Data Source
  KAKENHI-PROJECT-21H01378
[Journal Article] Low-loss and small 2×4λ multiplexers based on 2×2 and 2×1 Mach-Zehnder interferometers with on-chip polarization multiplexing for 400GbE2021
- Author(s)
  T. Fujisawa, J. Takano, Y. Sawada, and K. Saitoh
- Journal Title
  
  IEEE/OSA Journal of Lightwave Technology
  
  Volume: 39 Issue: 1 Pages: 193-200
- DOI
  10.1109/jlt.2020.3025369
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] Broadband silicon four-mode multi/demultiplexer designed by a wavefront matching method2021
- Author(s)
  Sawada Yusuke、Fujisawa Takeshi、Sato Takanori、Saitoh Kunimasa
- Journal Title
  
  Optics Express
  
  Volume: 29 Issue: 17 Pages: 27322-27322
- DOI
  10.1364/oe.434178
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H01378, KAKENHI-PROJECT-20J11564
[Journal Article] Arbitrary polarization and orbital angular momentum generation based on spontaneously broken degeneracy in helically twisted ring-core photonic crystal fibers2021
- Author(s)
  Fujisawa Takeshi、Saitoh Kunimasa
- Journal Title
  
  Optics Express
  
  Volume: 29 Issue: 20 Pages: 31689-31689
- DOI
  10.1364/oe.432401
- Data Source
  KAKENHI-PROJECT-20K20988
[Journal Article] Geometric-phase-induced arbitrary polarization and orbital angular momentum generation in helically twisted birefringent photonic crystal fiber2020
- Author(s)
  T. Fujisawa and K. Saitoh
- Journal Title
  
  Photonics Research
  
  Volume: 8 Issue: 8 Pages: 1278-1288
- DOI
  10.1364/prj.393255
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K20988
[Journal Article] Broadband and compact silicon mode converter designed using a wavefront matching method2020
- Author(s)
  Y. Sawada, T. Fujisawa, and K. Saitoh
- Journal Title
  
  Optics Express
  
  Volume: 28 Issue: 25 Pages: 38196-38205
- DOI
  10.1364/oe.411769
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01486, KAKENHI-PROJECT-20J11564
[Journal Article] A design of small mode-dependent-loss scrambling-type mode (de)multiplexer based on PLC2020
- Author(s)
  M. Shirata, T. Fujisawa, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Journal Title
  
  Optics Express
  
  Volume: 28 Issue: 7 Pages: 9653-9665
- DOI
  10.1364/oe.387890
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01486, KAKENHI-PROJECT-19H02183
[Journal Article] Proposal of Mach-Zehnder mode/wavelength multi/demultiplexer based on Si/Silica hybrid PLC platform2019
- Author(s)
  M. Kudo, S. Ohta, E. Taguchi, T. Fujisawa, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Journal Title
  
  Optics Communications
  
  Volume: 433 Pages: 168-172
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] CMOS-compatible Si-wire polarization beam splitter based on wavelength-insensitive coupler2019
- Author(s)
  Y. Sawada, T. Fujisawa, T. Sato, and K. Saitoh
- Journal Title
  
  IEICE Electron. Express
  
  Volume: 16 Issue: 8 Pages: 20181126-20181126
- DOI
  10.1587/elex.16.20181126
- NAID
  130007637020
- ISSN
  1349-2543
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] A novel Si four-wavelength multiplexer for 100/400GbE using higher-order mode composed of (a)symmetric directional couplers and TE1-TM0 mode converter2019
- Author(s)
  T. Fujisawa, J. Takano, Y. Sawada, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Journal Title
  
  Optics Express
  
  Volume: 27 Issue: 25 Pages: 36286-36296
- DOI
  10.1364/oe.27.036286
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] GeSn/SiGeSn multiple-quantum-well electroabsorption modulator with taper coupler for mid-infrared Ge-on-Si platform2018
- Author(s)
  M. Akie, T. Fujisawa, T. Sato, M. Arai, and K. Saitoh
- Journal Title
  
  IEEE Journal of Selected Topics in Quantum Electronics
  
  Volume: 24 Pages: 3400208-3400208
- NAID
  120006482593
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] Development of the wavefront matching method based on the 3-D finite-element method and its application to Si-wire mode converters2018
- Author(s)
  Y. Sawada, T. Sato, T. Fujisawa, and K. Saitoh
- Journal Title
  
  IEEE/OSA Journal of Lightwave Technology
  
  Volume: 36 Pages: 3652-3659
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] A review on PLC-based two-mode multi/demultiplexer designed by wavefront matching method2018
- Author(s)
  E. Taguchi, T. Fujisawa, Y. Yamashita, S. Makino, N. Hanzawa, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, F. Yamamoto, and K. Saitoh
- Journal Title
  
  IEICE Transactions on Electronics
  
  Volume: E101-C Pages: 518-526
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] Scrambling-type three-mode PLC multiplexer based on cascaded Y-branch waveguide with integrated mode rotator2018
- Author(s)
  T. Fujisawa, Y. Yamashita, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Journal Title
  
  IEEE/OSA Journal of Lightwave Technology
  
  Volume: 36 Pages: 1985-1992
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] Si-based Mach-Zehnder wavelength/mode multi/demultiplexer for a WDM/MDM transmission system2018
- Author(s)
  S. Ohta, T. Fujisawa, S. Makino, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Journal Title
  
  Optics Express
  
  Volume: 26 Pages: 15211-15220
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H01486
[Journal Article] PLC-based mode multi/delultiplexers for mode division multiplexing2017
- Author(s)
  K. Saitoh, N. Hanzawa, T. Sakamoto, T. Fujisawa, Y. Yamashita, T. Matsui, K. Tsujikawa, and K. Nakajima
- Journal Title
  
  Optical Fiber Technology
  
  Volume: 35 Pages: 80-92
- DOI
  10.1016/j.yofte.2016.08.002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04340, KAKENHI-PROJECT-16K18083
[Journal Article] Low-loss, compact, and fabrication-tolerant Si-wire 90ツー waveguide bend using clothoid and normal curves for large scale photonic integrated circuits2017
- Author(s)
  T. Fujisawa, S. Makino, T. Sato, and K. Saitoh
- Journal Title
  
  Optics Express
  
  Volume: 25 Issue: 8 Pages: 9150-9159
- DOI
  10.1364/oe.25.009150
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K18083
[Journal Article] Design and Fabrication of Broadband PLC-Based Two-Mode Multi/Demultiplexer Using a Wavefront Matching Method2017
- Author(s)
  Yamashita Yoko、Fujisawa Takeshi、Makino Shuntaro、Hanzasa Nobutomo、Sakamoto Taiji、Matsui Takashi、Tsujikawa Kyozo、Yamamoto Fumihiko、Nakajima Kazuhide、Saitoh Kunimasa
- Journal Title
  
  Journal of Lightwave Technology
  
  Volume: 35 Issue: 11 Pages: 2252-2258
- DOI
  10.1109/jlt.2016.2641461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04340, KAKENHI-PROJECT-16K18083
[Journal Article] Optimal design of 4LP-mode multicore fibers for high spatial multiplicity2017
- Author(s)
  Y. Tobita, T. Fujisawa, T. Sakamoto, T. Matsui, S. Saitoh, K. Takenaga, K. Aikawa, S. Aozasa, K. Nakajima, and K. Saitoh
- Journal Title
  
  Optics Express
  
  Volume: 25 Issue: 5 Pages: 5697-5709
- DOI
  10.1364/oe.25.005697
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H04340, KAKENHI-PROJECT-16K18083
[Journal Article] Wavefront matching method based on full-vector finite-element beam propagation method for polarization control devices2017
- Author(s)
  S. Makino, T. Fujisawa, and K. Saitoh
- Journal Title
  
  IEEE/OSA Journal of Lightwave Technology
  
  Volume: 35 Pages: 2840-2845
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K18083
[Journal Article] PLC-based LP11 mode rotator with curved trench structure devised from WFM method2017
- Author(s)
  Y. Yamashita, S. Makino, T. Fujisawa, N. Hanzawa, T. Sakamoto, T. Matsui, K. Tsujikawa, F. Yamamoto, K. Nakajima, and K. Saitoh
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 35 Pages: 1063-1066
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K18083
[Journal Article] Theoretical investigation of 6 mode multi/demultiplexer based on fused type multicore fiber coupler2016
- Author(s)
  S. Nishimoto, T. Fujisawa, Y. Sasaki, H. Uemura, and K. Saitoh
- Journal Title
  
  IEEE Photonics Journal
  
  Volume: 8 Issue: 3 Pages: 7802908-7802908
- DOI
  10.1109/jphot.2016.2559438
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16K18083
[Journal Article] Flip-chip interconnection technique for beyond 100-Gbit/s EADFB laser array transmitter2016
- Author(s)
  S. Kanazawa, T. Fujisawa, K. Takahata, Y. Ueda, H. Ishii, R. Iga, W. Kobayashi, and H. Sanjoh
- Journal Title
  
  IEEE/OSA Journal of Lightwave Technology
  
  Volume: 34 Issue: 2 Pages: 296-302
- DOI
  10.1109/jlt.2015.2462728
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26889002
[Journal Article] A group delay spread analysis of strongly coupled 3-core fibers : A effect of bending and twisting2016
- Author(s)
  T. Fujisawa and K. Saitoh
- Journal Title
  
  Optics Express
  
  Volume: 24 Issue: 9 Pages: 9593-9591
- DOI
  10.1364/oe.24.009583
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H04340, KAKENHI-PROJECT-16K18083
[Journal Article] Novel approach for chirp and output power compensation of 40-Gbit/s EADFB laser by integrating short SOA2015
- Author(s)
  W. Kobayashi, M. Arai, T. Fujisawa, T. Sato, T. Itoh, K. Hasebe, S. Kanazawa, Y. Ueda, T. Yamanaka, and H. Sanjoh
- Journal Title
  
  Optics Express
  
  Volume: 23 Issue: 7 Pages: 9533-9542
- DOI
  10.1364/oe.23.009533
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26889002
[Journal Article] Material gain analysis of GeSn/SiGeSn quantum wells for mid-infrared Si-based light sources based on many-body theory2015
- Author(s)
  T. Fujisawa, and K. Saitoh
- Journal Title
  
  IEEE Journal of Quantum Electronics
  
  Volume: 51 Issue: 5 Pages: 7100108-7100108
- DOI
  10.1109/jqe.2015.2410283
- NAID
  120005606033
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26889002
[Journal Article] Quantum-confined Stark effect analysis of GeSn/SiGeSn quantum wells for mid-infrared Si-based electroabsorption devices based on many-body theory2015
- Author(s)
  T. Fujisawa, and K. Saitoh
- Journal Title
  
  IEEE Journal of Quantum Electronics
  
  Volume: 51 Issue: 11 Pages: 8400207-8400207
- DOI
  10.1109/jqe.2015.2488363
- NAID
  120005677756
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26889002
[Journal Article] Low-driving-voltage operation of MZI-type EA modulator integrated with DFB laser using optical absorption and interferometric extinction2015
- Author(s)
  Y Ueda, T. Fujisawa, S. Kanazawa, W. Kobayashi, K. Takahata, H. Sanjoh, H. Ishii, and M. Kohtoku
- Journal Title
  
  IEEE Journal of Selected Topics in Quantum Electronics
  
  Volume: 21 Issue: 6 Pages: 1501306-1501306
- DOI
  10.1109/jstqe.2015.2420591
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26889002
[Journal Article] High-speed (400 Gb/s) 8-channel EADFB laser array module using flip-chip interconnection technique2015
- Author(s)
  S. Kanazawa, T. Fujisawa, H. Ishii, K. Takahata, Y. Ueda, R. Iga, and H. Sanjoh
- Journal Title
  
  IEEE Journal of Selected Topics in Quantum Electronics
  
  Volume: 21 Issue: 6 Pages: 1501106-1501106
- DOI
  10.1109/jstqe.2015.2415197
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26889002
[Journal Article] Flip-chip interconnection lumped-electrode EADFB laser for 100-Gb/s transmitter2015
- Author(s)
  S. Kanazawa, T. Fujisawa, K. Takahata, T. Itoh, Y. Ueda, W. Kobayashi, H. Ishii, and H. Sanjoh
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 27 Issue: 16 Pages: 1699-1701
- DOI
  10.1109/lpt.2015.2438076
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26889002
[Journal Article] Very-low-voltage operation of Mach-Zehnder interferometer-type electroabsorption modulator using asymmetric couplers2014
- Author(s)
  Y Ueda, T. Fujisawa, S. Kanazawa, W. Kobayashi, K. Takahata, and H. Ishii
- Journal Title
  
  Optics Express
  
  Volume: 22 Issue: 12 Pages: 14610-14616
- DOI
  10.1364/oe.22.014610
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26889002
[Patent] 発光素子2022
- Inventor(s)
  前田幸治、荒井昌和、藤澤剛
- Industrial Property Rights Holder
  前田幸治、荒井昌和、藤澤剛
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2022-134276
- Filing Date
  2022
- Data Source
  KAKENHI-PROJECT-22K04245
[Patent] モード間損失差補償デバイス2019
- Inventor(s)
  坂本泰志、松井隆、辻川恭三、中島和秀、藤澤剛、齊藤晋聖
- Industrial Property Rights Holder
  坂本泰志、松井隆、辻川恭三、中島和秀、藤澤剛、齊藤晋聖
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2019-047666
- Filing Date
  2019
- Data Source
  KAKENHI-PROJECT-18H01486
[Patent] モード分岐デバイス2019
- Inventor(s)
  坂本泰志、松井隆、辻川恭三、中島和秀、藤澤剛、齊藤晋聖
- Industrial Property Rights Holder
  坂本泰志、松井隆、辻川恭三、中島和秀、藤澤剛、齊藤晋聖
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2019-033764
- Filing Date
  2019
- Data Source
  KAKENHI-PROJECT-18H01486
[Patent] モード交換器2018
- Inventor(s)
  坂本泰志、松井隆、辻川恭三、中島和秀、藤澤剛、齊藤晋聖
- Industrial Property Rights Holder
  坂本泰志、松井隆、辻川恭三、中島和秀、藤澤剛、齊藤晋聖
- Industrial Property Rights Type
  特許
- Filing Date
  2018
- Data Source
  KAKENHI-PROJECT-18H01486
[Patent] モード合分波器2015
- Inventor(s)
  坂本泰志、半澤信智、松井隆、辻川恭三、藤澤剛、齊藤晋聖
- Industrial Property Rights Holder
  坂本泰志、半澤信智、松井隆、辻川恭三、藤澤剛、齊藤晋聖
- Industrial Property Rights Type
  特許
- Filing Date
  2015-02-04
- Data Source
  KAKENHI-PROJECT-26889002
[Patent] マルチコアファイバ及び光ケーブル2015
- Inventor(s)
  斉藤翔太、竹永勝宏、齊藤晋聖、藤澤剛
- Industrial Property Rights Holder
  斉藤翔太、竹永勝宏、齊藤晋聖、藤澤剛
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-030082
- Filing Date
  2015-02-18
- Data Source
  KAKENHI-PROJECT-26889002
[Patent] マルチコアファイバ及び光ケーブル2015
- Inventor(s)
  斉藤翔太、竹永勝宏、齊藤晋聖、藤澤剛
- Industrial Property Rights Holder
  斉藤翔太、竹永勝宏、齊藤晋聖、藤澤剛
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2015-163985
- Filing Date
  2015-08-21
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] ベイズDBS設計による2段モザイク型4波長合波器2024
- Author(s)
  澤田祐甫、藤澤剛、御手洗拓矢、沖本拓也、八木英樹、藤原直樹
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Compact passive waveguides using mosaic-based device with triangular lattice photonic crystal-like structure2023
- Author(s)
  T. Mitarai, T. Fujisawa, Y. Sawada, T. Okimoto, N. Kono, N. Fujiwara, T. Muratsubaki, T. Sato, K. Saitoh, and H. Yagi
- Organizer
  Solid State Materials and Devices
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] ベイズ最適化法を用いたモザイク状素子の設計技術2023
- Author(s)
  藤澤剛、御手洗拓矢、沖本拓也、河野直哉、藤原直樹、澤田祐甫、村椿太一、佐藤孝憲、八木英樹、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Invited
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] 波長2 mm帯疑似断熱結合器型2モード 3-dBパワースプリッタ2023
- Author(s)
  村椿太一、藤澤剛、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] 微細円孔が最密充填構造に配列されたモザイク状素子による非対称パワースプリッタ2023
- Author(s)
  御手洗拓矢、藤澤剛、澤田祐甫、沖本拓也、八木英樹、藤原直樹
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] MOVPE法で作製した格子整合 InAs/GaAsSb超格子の中赤外領域における発光の励起強度依存性2023
- Author(s)
  前田幸治、藤澤剛、荒井昌和
- Organizer
  2023年第84回応用物理学会
- Data Source
  KAKENHI-PROJECT-22K04245
[Presentation] Mosaic-based power splitters with asymmetric splitting ratios designed on triangular lattice2023
- Author(s)
  Y. Sawada, T. Fujisawa, T. Mitarai, T. Okimoto, H. Yagi, and N. Fujiwara
- Organizer
  13th International Symposium on Photonics and Electronics Convergence
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] MOVPE法で作製した格子整合系 InAs/GaAsSb超格子の中赤外発光の温度依存性2023
- Author(s)
  小佐治大輔、荒井昌和、藤澤剛、前田幸治
- Organizer
  2023年第84回応用物理学会
- Data Source
  KAKENHI-PROJECT-22K04245
[Presentation] 3段縦続接続波長無依存カプラ型高トレランスモード合波器2023
- Author(s)
  中村航大、藤澤剛、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Fabrication-tolerant, 2-mode, 4λ multiplexer based on Si waveguides for beyond Tbit/s optical Ethernet2023
- Author(s)
  T. Fujisawa, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] モザイク構造型ディスク共振器における透過率制御に関する検討2022
- Author(s)
  塚本光基、村椿太一、藤澤剛、佐藤孝憲、齊藤晋聖
- Organizer
  令和4年度電気・情報関係学会北海道支部連合大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Compact power splitters with mosaic-based structure designed by Bayesian direct-binary-search method2022
- Author(s)
  T. Mitarai, T. Fujisawa, T. Okimoto, N. Kono, N. Fujiwara, Y. Sawada, T. Muratsubaki, T. Sato, K. Saitoh, and H. Yagi
- Organizer
  Optoelectronics and Communications Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Silica-PLC based mode-dependent-loss equalizer for two LP mode transmission2022
- Author(s)
  T. Fujisawa, T. Mori, J. Sakamoto, Y. Yamashita, T. Sakamoto, R. Imada, R. Ima, T. Sato, K. Watanabe, R. Kasahara, T. Hashimoto, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] 超広帯域台形テーパ非対称方向性結合器の設計2022
- Author(s)
  落合真栄、藤澤剛、中村航大、澤田祐甫、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] MOVPE法で作製したInAs/GaSb超格子の中赤外領域における広域発光2022
- Author(s)
  岩切優人, 荒井昌和 , 藤澤剛 , 前田幸治
- Organizer
  第83回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-22K04245
[Presentation] 2チップで構成されたWFM法設計6モード交換器によるMDL低減2022
- Author(s)
  朝間友一、藤澤剛、佐藤孝憲、森崇嘉、坂本泰志、今田諒太、松井隆、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Cascaded Wavefront-Matching-Method Designed 6-Mode-Exchangers for MDL Management in MDM Transmission2022
- Author(s)
  Y. Asama, T. Fujisawa, T. Sato, T. Mori, T. Sakamoto, R. Imada, Y. Yamashita, K. Nakajima, and K. Saitoh
- Organizer
  Conference on Lasers and Electro-Optics Pacific-Rim 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Temperature Dependence of Mid-infrared Emission Process of InAs/GaSb Superlattices Grown by MOVPE2022
- Author(s)
  Masakazu ARAI, Koji MAEDA, Yuto IWAKIRI and Takeshi FUJISAWA
- Organizer
  CLEO-PR 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K04245
[Presentation] ベイズ型直接2分探索法により設計した超小型モザイクパワースプリッタの試作2022
- Author(s)
  藤澤剛、御手洗拓矢、沖本拓也、河野直哉、藤原直樹、澤田祐甫、村椿太一、佐藤孝憲、八木英樹、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Wide Wavelength Range Emission from InAs/GaSb Type-II Superlattice Grown by MOVPE2022
- Author(s)
  Masakazu Arai, Yuto Iwakiri, Takeshi Fujisawa, and Koji Maeda
- Organizer
  28th International Semicondutor Laser Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K04245
[Presentation] モザイク構造に基づく波長2 mm帯小型2×2 3-dB結合器2022
- Author(s)
  村椿太一、藤澤剛、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] 波長無異存カプラ型Oバンド2モード合波器2022
- Author(s)
  中村航大、藤澤剛、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] シリコン導波路型モード制御素子2022
- Author(s)
  藤澤剛、齊藤晋聖
- Organizer
  光通信インフラの飛躍的な高度化に関する特別研究専門委員会（EXAT）研究会
- Invited
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] “ツイスト、及び、曲げを有する結合型マルチコアファイバを用いた群遅延広がり低減2022
- Author(s)
  72.本間和志、佐藤孝憲、藤澤剛、寒河江悠途、坂本泰志、松井隆、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Data Source
  KAKENHI-PROJECT-20K20988
[Presentation] 4モードスクランブラと光ユニタリ変換器を用いた2LPモード合分波器の検討2021
- Author(s)
  吉田康人、佐藤孝憲、藤澤剛、森崇嘉、坂本泰志、山下陽子、今田諒太、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] モザイク状素子の研究動向2021
- Author(s)
  藤澤剛
- Organizer
  2021年度第3回フォトニックデバイス・応用技術研究会
- Invited
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] 製造トレランスの高いモザイク型2mm帯4モード交差導波路の設計2021
- Author(s)
  村椿太一、藤澤剛、澤田祐甫、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] CWDM4 wavelength multiplexer based on high-tolerance ADC with polarization multiplexing2021
- Author(s)
  中村航大、藤澤剛、佐藤孝憲、齊藤晋聖
- Organizer
  Photonic Device Workshop 2021
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Fabrication-Tolerant Four-Mode Waveguide Crossing Based on PhC-like Subwavelength Structures at 2 um2021
- Author(s)
  T. Muratsubaki, T. Fujisawa, Y. Sawada, T. Sato, and K. Saitoh
- Organizer
  Advanced Photonics Congress (APC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Switchable Mode Converter for Four-Mode MDM System Assisted by Passive Mode Controlling Device Designed by Wavefront Matching Method2021
- Author(s)
  Y. Sawada, T. Fujisawa, T. Sato, and K. Saitoh
- Organizer
  Microoptics Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Proposal of PLC 10-mode-selective photonic lantern mode multiplexer2021
- Author(s)
  H. Wang, Y. Sawada, T. Fujisawa, T. Sato, T. Mori, T. Sakamoto, Y. Yamashita, R. Imada, K. Nakajima, and K. Saitoh
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] WFM法設計6モード交換器における導波路長依存性の調査2021
- Author(s)
  朝間友一、菅原直人、藤澤剛、佐藤孝憲、森崇嘉、坂本泰志、今田諒太、松井隆、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 高製造トレランスのための直接二分探索法を用いた2mm帯4モード交差導波路の設計2021
- Author(s)
  村椿太一、藤澤剛、澤田祐甫、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01378
[Presentation] Mode Amplitude and Phase Estimation using Multimode NFP by ANN2020
- Author(s)
  N. Sugawara , T. Fujisawa, K. Nakamura, Y. Sawada, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Organizer
  Optoelectronics and Communications Conference (OECC 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] A tunable mode divider based on wavelength insensitive coupler using thermo-optic effect for gain-equalization in MDM network2020
- Author(s)
  K. Nakamura, T. Fujisawa, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Ultrasmall two-mode dividers based on mosaic structure designed by direct-binary-search algorithm aided by artificial neural network2020
- Author(s)
  T. Fujisawa and K. Saitoh
- Organizer
  Optoelectronics and Communications Conference (OECC 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 結合型マルチコアファイバにおけるツイスト及び曲げによるモード変換2020
- Author(s)
  本間和志、藤澤剛、佐藤孝憲、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Data Source
  KAKENHI-PROJECT-20K20988
[Presentation] Wavefront-matching-method-designed six-mode-exchanger based on grating-like waveguide on silica-PLC platform2020
- Author(s)
  T. Fujisawa, T. Sakamoto, M. Miyata, T. Matsui, T. Hashimoto, R. Kasahara, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Low-loss silicon 2テ?4ホサ multiplexers composed of on-chip polarization-splitter-rotator and 2テ?2 and 2テ?1 Mach-Zehnder filters for 400GbE2020
- Author(s)
  J. Takano, T. Fujisawa, Y. Sawada, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 2×2/2×1 マッハ・ツェンダーフィルタとオンチップ偏波分離回転子を用いた低損失400GbE 用シリコン2 × 4 波長合波器の作製2020
- Author(s)
  高野純矢、藤澤剛、澤田祐甫、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] PLC型6モード交換器の接続における最適FMF構造の検討2020
- Author(s)
  朝間友一、菅原直人、藤澤剛、佐藤孝憲、坂本泰志、松井隆、中島和秀、齊藤晋聖
- Organizer
  令和2年度電気・情報関係学会北海道支部連合大会
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 機械学習による新規光デバイスの創生2020
- Author(s)
  藤澤剛
- Organizer
  2020年北海道ICT研究成果社会実装Webマッチング
- Invited
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Mode amplitude and phase estimation of NFP of six-mode FMF based on artificial neural network with the help of grey-wolf-optimizer2020
- Author(s)
  N. Sugawara , T. Fujisawa, K. Nakamura, Y. Sawada, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Organizer
  46th European Conference and Exhibition on Optical Communication (ECOC 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Experimental Demonstration of Broadband Silicon Mode Converter Designed by Wavefront-Matching Method2020
- Author(s)
  Y. Sawada, T. Fujisawa, and K. Saitoh
- Organizer
  2020 Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Proposal of PLC 6-mode-selective photonic lantern mode multiplexer2020
- Author(s)
  H. Wang, Y. Sawada, T. Fujisawa, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] ニューラルネットワークによるモザイク型モードディバイダの特性学習2020
- Author(s)
  白田幹、藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 熱光学効果を利用したWINC型チューナブルモードディバイダ2020
- Author(s)
  中村航大、藤澤剛、坂本泰志、松井隆、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 波面整合法設計モード変換器の試作2019
- Author(s)
  澤田祐甫、佐藤孝憲、藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 最適化手法を用いた空間分割多重通信向け光導波路デバイスの研究2019
- Author(s)
  藤澤剛、齊藤晋聖
- Organizer
  第152回微小光学研究会
- Invited
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] A Design of Low MDL Scrambling-type PLC 6-mode Multiplexer2019
- Author(s)
  M. Shirata, M. Kudo, T. Fujisawa, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optoelectronics and Communications Conference (OECC 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Epitaxial design of GeSn quantum wells for optoelectronic applications2019
- Author(s)
  ?サソT. Fujisawa, M. Arai, and K. Saitoh
- Organizer
  2019 IEEE Photonics Society Summer Topicals Meeting Series
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Low-loss and Fabrication-tolerant Si Four-wavelength Multiplexer Using Higher-order Mode for 100/400GbE2019
- Author(s)
  J. Takano, T. Fujisawa, T. Sato, Y. Sawada, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] A Broadband PLC-type Mode Converter Designed by Wavefront Matching Method2019
- Author(s)
  M. Shirata, T. Fujisawa, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Organizer
  The 24th Microoptics Conference (MOC2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Ultra-Robust Design of Mode (De)Multiplexer Based on Asymmetrical Directional Coupler Using Wire and One-Side Rib Waveguides2019
- Author(s)
  T. Sato, T. Fujisawa, and K. Saitoh
- Organizer
  Optoelectronics and Communications Conference (OECC 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] A design of PLC-based 6-mode exchanger in mode division multiplexed transmission2019
- Author(s)
  M. Shirata, T. Fujisawa, T. Sakamoto, T. Matsui, K. Nakajima, and K. Saitoh
- Organizer
  IEEE Photonics Conference (IPC 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 3-Mode PLC-Based Mode Dependent Loss Equalizer in MDM Transmission2019
- Author(s)
  N. Sugawara, M. Kudo, T. Fujisawa, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optoelectronics and Communications Conference (OECC 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] First Experimental Demonstration of Wavefront-matching-method-designed Silicon Mode Converters2019
- Author(s)
  Y. Sawada, T. Fujisawa, T. Sato, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] シリコンフォトニクスによる高次モードを用いた低損失かつ高トレランス100/400GbE 用4 波長合波器2019
- Author(s)
  高野純矢、藤澤剛、澤田祐甫、坂本泰志、松井隆、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Invited
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] A Broadband Mode Divider with Arbitrary Branching Ratio Based on Wavelength-insensitive Coupler2019
- Author(s)
  M. Kudo, T. Fujisawa, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] データセンタ間通信におけるSDM 技術の適用可能性2019
- Author(s)
  齊藤晋聖、藤澤剛
- Organizer
  電子情報通信学会ソサイエティ大会
- Invited
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] Fabrication of Ultrasmall Silicon Waveguide Lenses Designed by Wavefront-Matching Method2019
- Author(s)
  Y. Sawada, T. Fujisawa, and K. Saitoh
- Organizer
  16th International Conference on Group IV Photonics (GFP)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] 最適化手法を用いたモード分割多重通信向け光導波路デバイスの研究2019
- Author(s)
  藤澤剛、澤田祐甫、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Invited
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] A Broadband Silicon Two-Mode Multiplexer Designed by Wavefront Matching Method2018
- Author(s)
  Y. Sawada, T. Sato, T. Fujisawa, and K. Saitoh
- Organizer
  OptoElectronics and Communications Conference (OECC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] PLC-based Mode Controlling Devices for Mode-Division-Multiplexing2018
- Author(s)
  T. Fujisawa, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  OptoElectronics and Communications Conference (OECC)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H01486
[Presentation] A proposal of Mach-Zehnder mode multi/demultiplexer for WDM/MDM optical transmission system2017
- Author(s)
  S. Ohta, S. Makino, T. Fujisawa, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  OptoElectronics and Communications Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] One chip, PLC three-mode exchanger based on symmetric and asymmetric directional couplers with integrated mode rotator2017
- Author(s)
  T. Fujisawa, E. Taguchi, T. Sakamoto, T. Matsui, Y. Yamashita, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] Ultimately low-loss and compact Si wire 90ツー waveguide bend composed of clothoid and normal curves for dense optical interconnect PICs2017
- Author(s)
  S. Makino, M. Suga, T. Sato, T. Fujisawa, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] Scrambling-type three-mode multiplexer based on cascaded Y-branch waveguide with integrated mode rotator on PLC platform2017
- Author(s)
  T. Fujisawa, Y. Yamashita, T. Sakamoto, T. Matsui, S. Makino, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC 2017)
- Place of Presentation
  アメリカ、ロサンゼルス
- Year and Date
  2017-03-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] Scrambling-type three-mode multiplexer based on cascaded Y-branch waveguide with integrated mode rotator on PLC platform2017
- Author(s)
  T. Fujisawa, Y. Yamashita, T. Sakamoto, T. Matsui, S. Makino, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] Mach-Zehnder mode/wavelength (de)multiplexer for WDM/MDM optical transmission2017
- Author(s)
  S. Ohta, T. Fujisawa, S. Makino, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  43th European Conference and Exhibition on Optical Communication
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] One chip, PLC three-mode exchanger based on symmetric and asymmetric directional couplers with integrated mode rotator2017
- Author(s)
  67.T. Fujisawa, E. Taguchi, T. Sakamoto, T. Matsui, Y. Yamashita, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference (OFC 2017)
- Place of Presentation
  アメリカ、ロサンゼルス
- Year and Date
  2017-03-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] 石英系平面光波回路を用いた3モードスクランブル型モード合分波器2017
- Author(s)
  藤澤剛、坂本泰志、松井隆、辻川恭三、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] テーパ導波路型3dBモードディバイダに基づく広帯域マッハ・ツェンダー型モード合分波器の作製2017
- Author(s)
  太多惇、牧野俊太郎、藤澤剛、坂本泰志、松井隆、辻川恭三、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] Proposal of compact three-mode exchanger based on symmetric and asymmetric directional couplers with integrated mode rotator2017
- Author(s)
  T. Fujisawa, E. Taguchi, T. Sakamoto, T. Matsui, K. Tsujikawa, K. Nakajima, and K. Saitoh
- Organizer
  The 22nd Microoptics Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] 同種3、6コア結合型ファイバの群遅延広がりに関するプリンシパルモード解析2016
- Author(s)
  東城蓮、千田泰之、藤澤剛、斉藤翔太、竹永勝宏、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Place of Presentation
  沖縄、那覇
- Year and Date
  2016-02-18
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Ultrasmall silicon mode converters designed by wavefront matching method developed for waveguide discontinuity problem2016
- Author(s)
  S. Makino, T. Fujisawa, and K. Saitoh
- Organizer
  2016 IEEE Photonics Conference (IPC2016)
- Place of Presentation
  アメリカ、ハワイ
- Year and Date
  2016-10-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] Impulse response analysis of air-hole added coupled six-core fibers2016
- Author(s)
  Y. Chida, T. Fujisawa, and K. Saitoh
- Organizer
  21th Optoelectronics and Communications Conference/Photonics Switching (OECC/PS2016)
- Place of Presentation
  新潟
- Year and Date
  2016-07-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] A crosstalk analysis of heterogeneous 30-core fibre2016
- Author(s)
  T. Fujisawa, Y. Amma, S. Matsuo, K. Aikawa, K. Saitoh and M. Koshiba
- Organizer
  42th European Conference and Exhibition on Optical Communication (ECOC 2016)
- Place of Presentation
  ドイツ、デュッセルドルフ
- Year and Date
  2016-09-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] PLC型6モード合分波器に関する検討2016
- Author(s)
  山下陽子、石坂雄平、半澤信智、藤澤剛、坂本泰志、松井隆、辻川恭三、山本文彦、中島和秀、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  福岡、博多
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Extremely small group delay spread six-core fiber with air-holes for mode-division-multiplexing: A principal mode analysis2016
- Author(s)
  T. Fujisawa, R. Tojo, S. Saitoh, S. Matsuo, and K. Saitoh
- Organizer
  Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference
- Place of Presentation
  アメリカ、アナハイム
- Year and Date
  2016-03-21
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 同種結合型6コアファイバのインパルス応答解析2016
- Author(s)
  千田泰之、東城蓮、藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  福岡、博多
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Optimum design of 4LP-mode multicore fibers with low differential mode delay for high spatial multiplicity2016
- Author(s)
  Y. Tobita, T. Sakamoto, T. Matsui, S. Saitoh, K. Takenaga, K. Aikawa, T. Fujisawa, S. Aozasa, K. Nakajima, and K. Saitoh
- Organizer
  2016 IEEE Photonics Conference (IPC2016)
- Place of Presentation
  アメリカ、ハワイ
- Year and Date
  2016-10-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] A compact and low-loss PLC-based LP11a/LP11b mode rotator with curved trench structure2016
- Author(s)
  64.Y. Yamashita, S. Makino, T. Fujisawa, K. Saitoh, N. Hanzawa, T. Sakamoto, T. Matsui, K. Tsujikawa, F. Yamamoto, and K. Nakajima
- Organizer
  2016 IEEE Photonics Conference (IPC2016)
- Place of Presentation
  アメリカ、ハワイ
- Year and Date
  2016-10-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] Excitation of LP 21b and LP02 modes with PLC-based tapere6d waveguide for mode-division multiplexing2016
- Author(s)
  Y. Yamashita, Y. Ishizaka, N. Hanzawa, T. Fujisawa, T. Sakamoto, T. Matsui, K. Tsujikawa, F. Yamamoto, K. Nakajima, and K. Saitoh
- Organizer
  21th Optoelectronics and Communications Conference/Photonics Switching (OECC/PS2016)
- Place of Presentation
  新潟
- Year and Date
  2016-07-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K18083
[Presentation] フルベクトル有限要素ビーム伝搬法に基づく波面整合法の開発とその偏波制御素子への適用2015
- Author(s)
  牧野俊太郎、藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Place of Presentation
  大分、別府
- Year and Date
  2015-10-29
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Impulse response analysis of strongly-coupled three-core fibers2015
- Author(s)
  T. Fujisawa, and K. Saitoh
- Organizer
  Frontiers in Optics/Laser Science Conference
- Place of Presentation
  アメリカ、サンノゼ
- Year and Date
  2015-10-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Comparison of homogeneous and heterogeneous 2LP-mode multicore fibers for high spatial multiplicity2015
- Author(s)
  Y. Tobita, T. Fujisawa, K. Saitoh, S. Matsuo, and K. Takenaga
- Organizer
  Frontiers in Optics/Laser Science Conference
- Place of Presentation
  アメリカ、サンノゼ
- Year and Date
  2015-10-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Many-Body TheoryによるGe(Sn)/SiGe(Sn)量子井戸の量子閉じ込めシュタルク効果の解析2015
- Author(s)
  藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会技術研究報告
- Place of Presentation
  大分、別府
- Year and Date
  2015-10-29
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] A high-performance polarization converter based on Silicon modulated taper waveguide for polarization multiplexing designed by wavefront matching method2015
- Author(s)
  S. Makino, T. Fujisawa, and K. Saitoh
- Organizer
  2015 Conference on Lasers and Electro-Optics – European Quantum Electronics Conference
- Place of Presentation
  ドイツ、ミュンヘン
- Year and Date
  2015-06-21
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] A principal mode analysis of strongly-coupled 3-core fibres2015
- Author(s)
  T. Fujisawa, and K. Saitoh
- Organizer
  41th European Conference and Exhibition on Optical Communication
- Place of Presentation
  スペイン、バレンシア
- Year and Date
  2015-09-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 円弧状トレンチを装荷したPLC型LP11モード回転子に関する検討2015
- Author(s)
  山下陽子、牧野俊太郎、藤澤剛、齊藤晋聖、半澤信智、坂本泰志、松井隆、辻川恭三、中島和秀、山本文彦
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  宮城、仙台
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Broadband LP01/LP11 PLC-based mode multi/demultiplexer designed by wavefront matching method2015
- Author(s)
  Y. Yamashita, S. Makino, T. Fujisawa, K. Saitoh, N. Hanzawa, T. Sakamoto, T. Matsui, K. Tsujikawa, and F. Yamamoto
- Organizer
  Frontiers in Optics/Laser Science Conference
- Place of Presentation
  アメリカ、サンノゼ
- Year and Date
  2015-10-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 同種3コア結合型ファイバのインパルス応答解析2015
- Author(s)
  千田泰之、東城蓮、藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  宮城、仙台
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 波面整合法を用いた偏波スプリッタ回転子の小型化に関する検討2015
- Author(s)
  牧野俊太郎、藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  宮城、仙台
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 3次元スカラ有限要素ビーム伝搬法に基づく波面整合法による低損失・広帯域PLC型2モード合分波器に関する検討2015
- Author(s)
  山下陽子、牧野俊太郎、藤澤剛、齊藤晋聖、半澤信智、坂本泰志、松井隆、辻川恭三、山本文彦
- Organizer
  電子情報通信学会技術研究報告
- Place of Presentation
  大分、別府
- Year and Date
  2015-10-29
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] A high-performance polarization splitter-rotator designed by wavefront matching method2015
- Author(s)
  S. Makino, T. Fujisawa, and K. Saitoh
- Organizer
  Frontiers in Optics/Laser Science Conference
- Place of Presentation
  アメリカ、サンノゼ
- Year and Date
  2015-10-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Demonstration of PLC-based six-mode multiplexer for mode division multiplexing transmission2015
- Author(s)
  N. Hanzawa, K. Saitoh, T. Sakamoto, T. Matsui, K. Tsujikawa, T. Fujisawa,, Y. Ishizaka, and F. Yamamoto
- Organizer
  41th European Conference and Exhibition on Optical Communication
- Place of Presentation
  スペイン、バレンシア
- Year and Date
  2015-09-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 短共振器SOAを用いたEADFBレーザの光出力・チャープ同時補償2015
- Author(s)
  小林亘、藤原直樹、金澤慈、長谷部浩一、荒井昌和、藤澤剛、佐藤具就、三条広明
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  宮城、仙台
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] モード多重伝送用空孔付加結合型6コアファイバの検討2015
- Author(s)
  東城蓮、千田泰之、藤澤剛、斉藤翔太、松尾昌一郎、齊藤晋聖
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  宮城、仙台
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Microscopic analysis of quantum-confined Stark effect of group IV quantum wells for mid-infrared Si-based electroabsorption modulators2015
- Author(s)
  T. Fujisawa, and K. Saitoh
- Organizer
  2015 Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
- Place of Presentation
  アメリカ、サンノゼ
- Year and Date
  2015-05-10
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 同種結合型3コアファイバにおけるDMGD低減に関する検討2014
- Author(s)
  猪狩章、藤澤剛，齊藤晋聖，竹永勝宏，松尾昌一郎
- Organizer
  電気関係学会北海道支部連合大会
- Place of Presentation
  札幌
- Year and Date
  2014-10-25
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 光吸収と干渉を用いたMZ干渉型EA変調器の極低電圧動作
- Author(s)
  上田悠太、藤澤剛、金澤慈、小林亘、高畑清人、三条広明、石井啓之
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  徳島
- Year and Date
  2014-09-23 – 2014-09-26
- Invited
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] フルベクトル有限要素ビーム伝搬法に基づく波面整合法
- Author(s)
  牧野俊太郎、石坂雄平、藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  草津
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] シリカ系光導波路に接続された4LPモード光ファイバの励振特性に関する検討
- Author(s)
  石坂雄平、千田泰之、藤澤剛、齊藤晋聖、坂本泰志、半澤信智、松井隆、辻川恭三、山本文彦
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  徳島
- Year and Date
  2014-09-23 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] 波面整合法によるPLC型2モード合分波器の広帯域化に関する検討
- Author(s)
  山下陽子、増本浩平、牧野俊太郎、藤澤剛、齊藤晋聖、半澤信智、坂本泰志、松井隆、辻川恭三、山本文彦
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  草津
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Successful demonstration of low-voltage (1 Vpp) MZI-type EAM-integrated DFB laser for 25.8-Gbit/s 40-km transmission
- Author(s)
  Y. Ueda, T. Fujisawa, S. Kanazawa, W. Kobayashi, K. Takahata, H. Sanjoh, and H. Ishii
- Organizer
  2014 International Semiconductor Laser Conference
- Place of Presentation
  スペイン、Palma de Mallorca
- Year and Date
  2014-09-07 – 2014-09-10
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] SOAによる40Gbit/s EADFBレーザの光出力・チャープ同時補償
- Author(s)
  小林亘、荒井昌和、藤澤剛、佐藤具就、伊藤敏夫、山中孝之、三条広明
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  草津
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Many-Body TheoryによるGeSn/SiGeSn量子井戸光学利得の解析
- Author(s)
  藤澤剛、齊藤晋聖
- Organizer
  電子情報通信学会光エレクトロニクス研究会
- Place of Presentation
  長崎
- Year and Date
  2014-10-30 – 2014-10-31
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] Chirp and intensity compensation using a 40-Gb/s short cavity SOA integrated EADFB laser with low power consumption
- Author(s)
  W. Kobayashi, M. Arai, T. Fujisawa, Y. Shibata, T. Sato, T. Itoh, K. Hasebe, T. Yamanaka, and H. Sanjoh
- Organizer
  40th European Conference and Exhibition on Optical Communication
- Place of Presentation
  フランス、カンヌ
- Year and Date
  2014-09-21 – 2014-09-25
- Data Source
  KAKENHI-PROJECT-26889002
[Presentation] ベクトル有限要素法とフィールド結合理論による同種3コア結合型ファイバの伝送特性解析
- Author(s)
  猪狩章、藤澤剛，齊藤晋聖，竹永勝宏，松尾昌一郎
- Organizer
  電子情報通信学会光エレクトロニクス研究会
- Place of Presentation
  鹿児島
- Year and Date
  2015-02-19 – 2015-02-20
- Data Source
  KAKENHI-PROJECT-26889002

1. 荒井昌和 (90522003)

# of Collaborated Projects: 2 results

# of Collaborated Products: 7 results
2. 前田幸治 (50219268)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
3. 齊藤晋聖

# of Collaborated Projects: 0 results

# of Collaborated Products: 6 results

Fjisawa Takeshi 藤澤 剛

Fujisawa Takeshi 藤澤 剛

Research Projects

Research Products

Co-Researchers

モザイク素子による超小型チップ内通信用光集積回路の研究Principal Investigator

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格子緩和層とType-II型ヘテロ材料を用いた半導体レーザによる高温動作限界の打破

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超高非線形、及び、任意光空間状態生成応用のためのトポロジカルファイバの研究Principal Investigator

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Novel broadband mid-infrared emitting quantum structures fabricated by metal organic vapor phase epitaxy

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A research on the optical circuits for Tbit/s optical Ethernet system using wavelength/mode division multiplexingPrincipal Investigator

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Creation of arbitrary spatial state of light based on helically twisted photonic crystal fiber using geometric phasePrincipal Investigator

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A research on the planar optical devices for manipulating spatial state of light for large-capacity optical communication systemPrincipal Investigator

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A research on the optical circuits for large capacity, mode-division multiplexed optical communication systemPrincipal Investigator

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A research on the design method of optical transmitters for large capacity, mode-division multiplexed LAN optical communication systemPrincipal Investigator

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[Journal Article] Metal Organic Vapor‐Phase Epitaxy Growth of Multilayer Stacked InAsSb/InAsP Superlattices on GaAs and InAs Substrate2024

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[Journal Article] Ultrasmall Power Splitters With Triangular Lattice Mosaic Patterns Designed by Bayesian DBS Method2023

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[Journal Article] Bayesian design of mosaic-based mode multiplexers for various wavelength bands2023

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[Journal Article] 6-mode and 10-mode photonic lantern mode multi/demultiplexers based on silica planar lightwave circuit2023

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[Journal Article] Arbitrary higher-order optical spatial state generation by using spontaneously broken degeneracy modes in helically twisted ring-core hole assisted fibers2022

Fjisawa Takeshi 藤澤剛

Fujisawa Takeshi 藤澤剛