WAKITA KOICHI 脇田絋一

… Alternative Names

WAKITA Koichi 脇田紘一

WAKITA Kouichi 脇田紘一

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Researcher Number	20301640
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2015: 中部大学, 生命健康科学部, 教授 2014: 中部大学, 生命健康科学部, 特任教授 2012 – 2013: 中部大学, 生命健康科学部, 教授 2007 – 2009: 中部大学, 工学部, 教授 2002: Chubu University, Engineering, Professor, 工学部, 教授 1999 – 2000: 中部大学, 工学部・電子工学科, 教授
Review Section/Research Field	Principal Investigator 電子デバイス・機器工学 / Electron device/Electronic equipment Except Principal Investigator Electronic materials/Electric materials / Electron device/Electronic equipment
Keywords	Principal Investigator transverse electric field / optical switch / optical modulator / negative chirp / ultra-high-speed / microwave photonics / 変調器 / 光スイッチ / 横電界 / 光スイツチ … More / 光変調器 / 負チャープ / 超高速 / マイクロ波フォトニクス / 空間光変調 / フランツ・ケルデッシュ効果 / 励起子吸収 / 並列処理 / 波面制御 / 屈折率制御 / 高消光比 / 高速動作 / 低消費電力 / 光強度変調 / 電界屈折率変化 / 電界吸収変化 / 低電圧 / 空間光変調器 / 電気光学効果 / 電気吸収効果 / 厚い空乏層 / 高純度 / 室温励起子吸収 / 低電圧駆動 / 高速 … More Except Principal Investigator GaN / GaAs / Si MESFET / Si electronic device / Si light emitting device / Si tandem solar cell / Si laser / GaN on Si substrate / GaAs on Si substrate / Heteroepitaxy / 直列抵抗 / 発光ダイオード(LED) / GaN中間層 / AlGaN / 有機金属気相成長(MOCVD) / エピタキシャルリフトオフ(ELO) / Si / Si上ヘテロエピタキシー / Si上タンデム太陽電池 / Si上LED / Si上レーザー / GaAs on Si / Si上のヘテロエピタキシー / 転位の不活性化 / 高効率Si上タンデム太陽電池 / Si上青・緑色LED / 大面積Si上GaN基板 / GaN on Si / CaAs on Si / シリコン上化合物半導体 / フォトルミネッセンス / ユーロピウム / エピタキシャル成長 / 屈折率 / 光デバイス / ソルゲル法 / レーザ / 光導波路 / 希土類 / ゾルゲル法 / 強誘電体 / ニオブ酸リチウム Less

Research and development of ultra-high speed and low-driving voltage spatial light modulatorsPrincipal Investigator
- Principal Investigator
  
  WAKITA KOICHI
- Project Period (FY)
  2012 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  Chubu University
Preparation and Characterization of Er : Ti co-doped LiNbO_3 wave guide laser
- Principal Investigator
  
  TAKAHASHI Makoto
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  Chubu University
Heteroepitaxy of GaAs and GaN on Si and their device applications
- Principal Investigator
  
  UMENO Masayoshi
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  CHUBU UNIVERSITY
  Nagoya Institute of Technology
RESEARCH OF ULTRA-HIGH-SPEED OPTICAL MODULATOR FOR MICROWAVE PHOTONICSPrincipal Investigator
- Principal Investigator
  
  WAKITA Koichi
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  電子デバイス・機器工学
- Research Institution
  CHUBU UNIVERSITY

All 2015 2014 2013 2012 2009 2008 2007 Other

All Journal Article Presentation

[Journal Article] Excitonic refractive index change in high purity GaAs modulator at room temperature for optical fiber communication network2015
- Author(s)
  Durga Prasad Sapkota, Madhu Sudan Kayastha, Koichi Wakita
- Journal Title
  
  International J. of Electrical, Computer, Electronics and Communication Engineering
  
  Volume: 9 Pages: 191-194
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Electric field effects on exciton in the shape of transmission spectra in high-purity GaAs at room temperature2014
- Author(s)
  Durga Prasad Sapkota, Madhu Sudan Kayastha, Koichi Wakita
- Journal Title
  
  Opticaｌ and Quantum Electronics
  
  Volume: 46 Issue: 2 Pages: 203-210
- DOI
  10.1007/s11082-014-9901-7
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Low temperature synthesized graphene by surface wave plasma CVD as effective oxidation barrier2014
- Author(s)
  Kalita Golap, M. E. Ayhan, D. Ghimire, S. Shinde, K. Wakita, M. Umeno and M. Tanemura K. Wakita, et al.,
- Journal Title
  
  Corrosion Scienece
  
  Volume: 78 Pages: 183-187
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Proposed model pf electric field effects in high-purity GaAs at room temperature2014
- Author(s)
  Durga Prasad Sapkota, Madhu Sudan Kayastha, Makoto Takahashi, Koichi Wakita
- Journal Title
  
  Optics and Photonics Journal
  
  Volume: 4 Pages: 99-103
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Synthesis of carbon fibers with branched nanographene sheets for electrochemical double layer capacitor application2014
- Author(s)
  M. Matsushima, Kalita Golap, K. Kato, M. Noda, H. Uchida, K. Wakita, M. Umeno and M. Tanemura,K. Wakita, M. Umeno and M. Tanemura
- Journal Title
  
  Journal of Nanoscience and Nanotechnology
  
  Volume: 14 Pages: 2614-2619
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Improved Photovoltaic Properties of Heterojunction Carbon Based Solar Cell2013
- Author(s)
  Sudip Adhikari, M. S. Kayastha, D.C. Ghimire, H. R. Aryal, S. Adhikary, T. Takeuchi, K. Murakami, Y, Kawashimo, H. Uchida, K. Wakita, M. Umeno
- Journal Title
  
  Journal of Surface Engineered Materials and Advanced Technology
  
  Volume: 3 Pages: 178-183
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Plastic forming of high-Tc YBa2Cu3O7-x bulk superconductors2013
- Author(s)
  M. Takahashi, K. Sawada, H. Ishikawa, T. Omi, S. Ohkido, M. Tahashi, and K. Wakita
- Journal Title
  
  J. Am. Chem. Soc..,
  
  Volume: 96 Pages: 1713-1717
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Synthesis of hexagonal graphene on polycrystalline Cu foil from solid camphor by atomic chemical vapor deposition2013
- Author(s)
  Subash Sharma, Golap Kalita, Muhammed Ermre Ayhan, K. Wakita, Masayoshi Umeno, Masaki Tanemura
- Journal Title
  
  Journal Material Science
  
  Volume: 48 Pages: 7036-7041
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Effects of Temperature and Well Composition on Threshold Current Density for Compressive Strained-Layer AlxGayIn1-x-yAs Single Quantum Well Lasers2013
- Author(s)
  Durga Prasad Sapkota, Madhu Sudan Kayastha, Koichi Wakita
- Journal Title
  
  電気学会論文誌Ｃ
  
  Volume: 133 Pages: 1139-1144
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Effect of electric field on exciton in high-purity GaAs epilayer measured at room temperature2013
- Author(s)
  M. S. Kayastha, K. Wakita, et al.,
- Journal Title
  
  Electronics Letters
  
  Volume: 49 Pages: 57-59
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Photoinduced charge transfer composite of graphene oxide and ferrocene2013
- Author(s)
  Kalit Golap, K. Wakita, et al.,
- Journal Title
  
  Physical Chemistry Chemical Physics (RSC Journal),
  
  Volume: 15 Pages: 1271-1274
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Analysis of linewidth enhancement factor for compressively strained AlGaInAs and InGaAsP quantum well lasers2013
- Author(s)
  D. P. Sapkota, K. Wakita, et al.,
- Journal Title
  
  Optical and Quantum Electronics
  
  Volume: 45 Pages: 35-43
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Synthesis of graphene by surface wave plasma chemical vapor deposition from camphor2012
- Author(s)
  Kalit Golap, K. Wakita, et al.,
- Journal Title
  
  Physica Status Solidi A, Vol.1-4, pp.
  
  Volume: 1-4 Pages: 2510-2513
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Low temoerature growth of graphene film by microwave assisted surface wave plasma CVD for transparent electrode application2012
- Author(s)
  Kalit Golap, K. Wakita, et al.,
- Journal Title
  
  RSC Advance (paper)
  
  Volume: 2 Pages: 1825-2820
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Formation of graphene-containing porous carbon film for electrical double-layer capacitor by pulsed plasma chemical vapor deposition2012
- Author(s)
  M. Matsushima, K. Wakita, et al.,
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 51
- NAID
  210000140440
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24560427
[Journal Article] Preparation and Characterization of a Large Scale YBa_2Cu_3O_<7_x> Superconductor Prepared by Plastic Forming without a High - Pressure --Molding : Effect of Polyvinyl Alcohol (PVA) Addition on the Superconducting Properties2009
- Author(s)
  M. Takahashi, K. Wakita, 他9名
- Journal Title
  
  J. Am. Ceram. Soc. Vol.92
  
  Pages: 578-584
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560358
[Journal Article] Preparation and Characterization of Eu : Ti co-doped LiNbO_3 Films Prepared by the Sol-Gel Method2009
- Author(s)
  M. Takahashi, K. Wakita, 他6名
- Journal Title
  
  J. Appl. Phys. Vol.106
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560358
[Journal Article] Ultrahigh-Purity Undoped GaAs Epitaxial Layers Prepared by Liquid Phase Epitaxy2009
- Author(s)
  M.S. Kayastha, M. Takahashi, K. Wakita, 他2名
- Journal Title
  
  Japan J. Appl. Phys. Vol.48
- NAID
  40016890469
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560358
[Journal Article] Preparation and characterization of Eu-doped LiNbO_3 films prepared by the sol-gel method2008
- Author(s)
  M. Takahashi, K. Wakita, 他7名
- Journal Title
  
  J. Appl. Phys. Vol.103
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560358
[Journal Article] Preparation and Characterization of Electro deposited In-Doped CdTe Semiconductor Films2008
- Author(s)
  T. Nishio, M. Takahashi, K. Wakita, 他5名
- Journal Title
  
  Electrical Engineering in Japan Vol.164
  
  Pages: 12-18
- NAID
  210000184580
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560358
[Journal Article] Characterization of a Large-Scale Nondoped YBa_2Cu_3O_<7-x> Superconductor Prepared by Plastic Forming Without High-Pressure Molding2007
- Author(s)
  D M. Takahashi, K. Wakita, 他8名
- Journal Title
  
  J. Am. Ceram. Soc. Vol.90
  
  Pages: 2032-2038
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19560358
[Presentation] 高純度GaAsエピ膜を用いた大きな電界屈折率変化2015
- Author(s)
  脇田紘一、サプコタ D.P.、吉田拓矢、高橋　誠
- Organizer
  応用物理学会秋季学術学講演会
- Place of Presentation
  名古屋国際会議場
- Year and Date
  2015-09-24
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Synthesis of continuous graphene on metal foil for flexible transparent electrode application2013
- Author(s)
  Kalit Golap, K. Wakita, et al.,
- Organizer
  Proceeding of IEEE 5th International Nanoelectronics Conference (INEC), pp. 281-284
- Place of Presentation
  Singapore
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Graphene-amorphous carbon composite films for photovoltaic solar cell2013
- Author(s)
  Sudip Adhikari, H. Uchida, K. Wakita, M. Yasubayashi, Umeno
- Organizer
  PVSEC-23
- Place of Presentation
  Taipei
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Experimental and theoretical study of excitonic electroabsorption in high-purity GaAs at rooom temperature2012
- Author(s)
  D. P. Sapkota, K. Wakita, et al.,
- Organizer
  IEEE Photonics Global Conference
- Place of Presentation
  Singapore
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Large-area CVD graphene as transparent electrode for efficient organic solar cells2012
- Author(s)
  Kalit Golap, K. Wakita, et al.,
- Organizer
  Proceeding of 38th IEEE photovoltaic specialists conference,　pp. 003137 – 003141
- Place of Presentation
  Austin
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Large-area CVD graphene as transparent electrode for efficient organic solar cells2012
- Author(s)
  Kalit Golap, K. Wakita, et al.,
- Organizer
  Proceeding of 38th IEEE photovoltaic specialists conference
- Place of Presentation
  Austin
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Room temperature excitonic electro-absorption effect for high-speed and low-driving voltage spatial light modulators2012
- Author(s)
  M. S. Kayastha, K. Wakita, et al.,
- Organizer
  2012 International Conference on Solid State Devices and Materials(SSDM), PS-7-12
- Place of Presentation
  Kyoto
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Chemical vapor deposition of large area graphene for electronics device application2012
- Author(s)
  Kalit Golap, K. Wakita, et al.,
- Organizer
  IUMRS-ICA 2012
- Place of Presentation
  Busan
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] ゾルゲル法によるEr:Ti:LiNbO3厚膜の電気光学効果2008
- Author(s)
  脇田紘一、他
- Organizer
  第55回応用物理学会
- Place of Presentation
  日大理工学部船橋キャンパス
- Year and Date
  2008-03-28
- Data Source
  KAKENHI-PROJECT-19560358
[Presentation] Excitonic refractive index change in high purity GaAs modulator at room temperature for optical fiber communication network
- Author(s)
  Durga Prasad Sapkota, Madhu Sudan Kayastha, Koichi Wakita
- Organizer
  World Academy of Science, Engineering and Technology(WASET)
- Place of Presentation
  Dubai, UAE
- Year and Date
  2015-02-26 – 2015-02-27
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] Growth of Graphene Films by Thermal CVD from Adamantane
- Author(s)
  T. Yoshida, M. Noda, S. Yamaguchi, H. Uchida, M. Umeno, and K. Wakita
- Organizer
  E-MRS/MRS-J
- Place of Presentation
  IDEC Yokohama (Kanagawa, Yokohama)
- Year and Date
  2014-12-10 – 2014-12-12
- Data Source
  KAKENHI-PROJECT-24560427
[Presentation] The preparation and characterization of metal chalcogenide thin film by the electrodeposition
- Author(s)
  M. Takahashi,T. Nagaya, T. Suzuki, S. Ohkido, M. Tanashi, K. Wakita
- Organizer
  ISPlasma 2015/IC-PLANTS 2015
- Place of Presentation
  Nagoya Univ.(Aichi, Nagoya)
- Year and Date
  2015-03-27 – 2015-03-31
- Data Source
  KAKENHI-PROJECT-24560427

1. TAKAHASHI Makoto (10236317)

# of Collaborated Projects: 2 results

# of Collaborated Products: 10 results
2. UMENO Masayoshi (90023077)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. EGAWA Takashi (00232934)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. IDO Toshiyuki (60023256)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. ISHIKAWA Hiroyasu (20303696)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 曽我哲夫 (20197007)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 神保孝志 (80093087)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 林靖彦 (50314084)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

WAKITA KOICHI 脇田 絋一

WAKITA Koichi 脇田 紘一

WAKITA Kouichi 脇田 紘一

Research Projects

Research Products

Co-Researchers

Research and development of ultra-high speed and low-driving voltage spatial light modulatorsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Preparation and Characterization of Er : Ti co-doped LiNbO_3 wave guide laser

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Heteroepitaxy of GaAs and GaN on Si and their device applications

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

RESEARCH OF ULTRA-HIGH-SPEED OPTICAL MODULATOR FOR MICROWAVE PHOTONICSPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Excitonic refractive index change in high purity GaAs modulator at room temperature for optical fiber communication network2015

Author(s)

Journal Title

Data Source

[Journal Article] Electric field effects on exciton in the shape of transmission spectra in high-purity GaAs at room temperature2014

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Low temperature synthesized graphene by surface wave plasma CVD as effective oxidation barrier2014

Author(s)

Journal Title

Data Source

[Journal Article] Proposed model pf electric field effects in high-purity GaAs at room temperature2014

Author(s)

Journal Title

Data Source

[Journal Article] Synthesis of carbon fibers with branched nanographene sheets for electrochemical double layer capacitor application2014

Author(s)

Journal Title

Data Source

[Journal Article] Improved Photovoltaic Properties of Heterojunction Carbon Based Solar Cell2013

Author(s)

Journal Title

Data Source

[Journal Article] Plastic forming of high-Tc YBa2Cu3O7-x bulk superconductors2013

Author(s)

Journal Title

Data Source

[Journal Article] Synthesis of hexagonal graphene on polycrystalline Cu foil from solid camphor by atomic chemical vapor deposition2013

Author(s)

Journal Title

Data Source

[Journal Article] Effects of Temperature and Well Composition on Threshold Current Density for Compressive Strained-Layer AlxGayIn1-x-yAs Single Quantum Well Lasers2013

Author(s)

Journal Title

Data Source

[Journal Article] Effect of electric field on exciton in high-purity GaAs epilayer measured at room temperature2013

Author(s)

Journal Title

Data Source

[Journal Article] Photoinduced charge transfer composite of graphene oxide and ferrocene2013

Author(s)

Journal Title

Data Source

[Journal Article] Analysis of linewidth enhancement factor for compressively strained AlGaInAs and InGaAsP quantum well lasers2013

Author(s)

Journal Title

Data Source

[Journal Article] Synthesis of graphene by surface wave plasma chemical vapor deposition from camphor2012

WAKITA KOICHI 脇田絋一

WAKITA Koichi 脇田紘一

WAKITA Kouichi 脇田紘一