SAKAI Masaru 酒井優

… Alternative Names

酒井優サカイマサル

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Researcher Number	10371709
Other IDs
Affiliation (Current)	2025: 山梨大学, 大学院総合研究部, 教授
Affiliation (based on the past Project Information) *help	2025: 山梨大学, 大学院総合研究部, 教授 2022 – 2023: 山梨大学, 大学院総合研究部, 教授 2017: 山梨大学, 大学院総合研究部, 准教授 2014 – 2016: 山梨大学, 総合研究部, 准教授 2013: 山梨大学, 医学工学総合研究部, 助教 2005 – 2006: (財)神奈川科学技術アカデミー, 光科学重点研究室近接場光学グループ, 研究員
Review Section/Research Field	Principal Investigator Basic Section 28050:Nano/micro-systems-related / Nanostructural physics / Atomic/Molecular/Quantum electronics / Electronic materials/Electric materials Except Principal Investigator Basic Section 21050:Electric and electronic materials-related / Basic Section 30020:Optical engineering and photon science-related / Nanomaterials engineering
Keywords	Principal Investigator 近接場光学顕微鏡 / GaNマイクロディスク / マイクロディスク / WGM発振 / キャリアダイナミクス / 時間分解測定 / 量子エレクトロニクス / メゾスコピック系 / フォトニック結晶 / 走査プローブ顕微鏡 … More / 応用光学・量子光工学 / ランダムレーザー / 光局在 / 高分解能分光イメージング / ラマン分光 / ナノフォトニクス … More Except Principal Investigator テラヘルツ電磁波 / 格子歪み / 励起子 / 半導体光物性 / 非線形光学 / フォトニック結晶 / 磁気光学効果 / 誘電率非対角成分 / トポロジカルフォトニック結晶 / 透明磁性誘電体 / 磁性フォトニック結晶 / 空間モード / 波数 / 波長可変レーザー / 半導体 / トンネル電流 / 多重極子 / コヒーレント / 近接場プローブ / 亜酸化銅 Less

Quantitative evaluation of appearance of second-order optical nonlinearity caused by lattice strain using optical spectra
- Principal Investigator
  
  小島磨
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21050:Electric and electronic materials-related
- Research Institution
  Chiba Institute of Technology
磁性フォトニック結晶による光伝搬の横シフトのメカニズム解明と実証
- Principal Investigator
  
  東海林篤
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 30020:Optical engineering and photon science-related
- Research Institution
  University of Yamanashi
単一半導体マイクロ結晶の光共振器特性の詳細評価と発振特性の解明Principal Investigator
- Principal Investigator
  
  酒井優
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 28050:Nano/micro-systems-related
- Research Institution
  University of Yamanashi
Observation of photoexcited carrier propagation using time-resolved multi-probe SNOMPrincipal Investigator
- Principal Investigator
  
  SAKAI Masaru
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Nanostructural physics
- Research Institution
  University of Yamanashi
Visualization of crystal polarization utilizing coherently excited nearfield probes
- Principal Investigator
  
  SYOUJI Atsushi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Nanomaterials engineering
- Research Institution
  University of Yamanashi
2D imaging of light localizationPrincipal Investigator
- Principal Investigator
  
  SAKAI Masaru
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Atomic/Molecular/Quantum electronics
- Research Institution
  University of Yamanashi
半導体ナノ材料観察のための近接場ラマン分光システムPrincipal Investigator
- Principal Investigator
  
  酒井優
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Electronic materials/Electric materials
- Research Institution
  Kanagawa Academy of Science and Technology

All 2024 2023 2022 2018 2017 2016 2015 2014 2006 2005 Other

All Journal Article Presentation

[Journal Article] Stability of Intensity Imbalance between Left‐ and Right‐Circulation Modes in GaN Hexagonal Microdisk2024
- Author(s)
  Syouji Atsushi, Iwamoto Yuka, Kouno Tetsuya, Sakai Masaru
- Journal Title
  
  physica status solidi (a)
  
  Volume: 221 Issue: 21 Pages: 2300948-2300948
- DOI
  10.1002/pssa.202300948
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K04895, KAKENHI-PROJECT-23K04609
[Journal Article] Coherent anti-Stokes Raman scattering spectroscopy system for observation of water molecules in anion exchange membrane2024
- Author(s)
  Wakolo Solomon Wekesa、Syouji Atsushi、Sakai Masaru、Nishiyama Hiromichi、Inukai Junji
- Journal Title
  
  Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
  
  Volume: 309 Pages: 123875-123875
- DOI
  10.1016/j.saa.2024.123875
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K04609, KAKENHI-PROJECT-21H02044
[Journal Article] Thickness Dependence on Wavelength Range of Random Laser in Ultrathin ZnO Crystals Grown by Mist-CVD on C-plane Sapphire Substrate2023
- Author(s)
  Iwata Junichi、Sakai Masaru、Syouji Atsushi、Hara Kazuhiko、Kouno Tetsuya
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 92 Issue: 6
- DOI
  10.7566/jpsj.92.064710
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K04609
[Journal Article] Near-field optical imaging of light localization in GaN nanocolumn system2014
- Author(s)
  M. Sakai, Y. Inose, T. Ohtsuki, K. Ema, K. Kishino, T. Saiki
- Journal Title
  
  Japanese Journal of Applied Physics
  
  Volume: 53 Issue: 3 Pages: 030301-030301
- DOI
  10.7567/jjap.53.030301
- NAID
  210000143396
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-23540376, KAKENHI-PROJECT-24000013, KAKENHI-PROJECT-24226006, KAKENHI-PROJECT-25800180, KAKENHI-PROJECT-25870279
[Journal Article] High-Contrast Imaging of Nano-Channels Using a Reflection Near-Field Scanning Optical Microscope Enhanced by Optical Interference2006
- Author(s)
  Masaru Sakai
- Journal Title
  
  Optical Review Vol. 13, No. 4
  
  Pages: 266-268
- NAID
  10018209603
- Data Source
  KAKENHI-PROJECT-17760265
[Journal Article] Observation of Amorphous Recording Marks Using Reflection-Mode Near-Field Scanning Optical Microscope Supported by Optical Interference Method2005
- Author(s)
  Masaru Sakai
- Journal Title
  
  Japanese Journal of Applied Physics Vol.44,No.9A
  
  Pages: 6855-6858
- NAID
  130004766399
- Data Source
  KAKENHI-PROJECT-17760265
[Presentation] Whispering gallery mode oscillation in wurtzite and zincblende GaN microdisks2023
- Author(s)
  Y. Kawaguchi, Y. Iwamoto, A. Syouji, T. Kouno, A. Kikuchi, K. Kishino, and M. Sakai
- Organizer
  14th International Conference on Nitride Semiconductors (ICNS-14)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K04895
[Presentation] Imbalance of left and right circulation lasing mode in GaN microdisk resonator2023
- Author(s)
  Atsushi Syouji, Tetsuya Kouno, and Masaru Sakai
- Organizer
  14th International Conference on Nitride Semiconductors
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K04609
[Presentation] 六方晶/立方晶GaNマイクロディスクにおけるWGM発振2023
- Author(s)
  岩本優歌，東海林篤，光野徹也，菊池昭彦，岸野克巳，酒井優
- Organizer
  日本光学会ナノオプティクス研究グループ第29回研究討論会
- Data Source
  KAKENHI-PROJECT-22K04895
[Presentation] Imbalance of left and right circulation lasing mode in GaN microdisk resonator2023
- Author(s)
  A. Syouji, T. Kouno, and M. Sakai
- Organizer
  14th International Conference on Nitride Semiconductors (ICNS-14)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K04895
[Presentation] Investigation of the direction of rotation of WGM oscillation in hexagonal GaN microdisk2022
- Author(s)
  Y. Iwamoto, K. Kamiishi, A. Syouji, T. Kouno, A. Kikuchi, K. Kishino, and M. Sakai
- Organizer
  The 13th Asia-Pacific Conference on Near-Field Optics (APNFO13)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K04895
[Presentation] 立方晶GaNマイクロディスクにおけるWGM発振2022
- Author(s)
  岩本優歌，東海林篤，光野徹也，菊池昭彦，岸野克巳，酒井優
- Organizer
  第83回応用物理学会秋春季学術講演会
- Data Source
  KAKENHI-PROJECT-22K04895
[Presentation] 近接場光局所励起・観察によるキャリア輸送現象の解明Ⅳ2018
- Author(s)
  栗原和也, 岩本亘平, 酒井優, 石川陽, 堀裕和, 岸野克巳, 小林潔
- Organizer
  第65回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] 近接場光局所励起・観察によるキャリア輸送現象の解明Ⅲ2017
- Author(s)
  岩本亘平, 酒井優, 石川陽, 堀裕和, 岸野克巳, 小林潔
- Organizer
  第78回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] 近接場光局所励起・観察によるキャリア輸送現象の解明Ⅱ2017
- Author(s)
  岩本亘平, 酒井優, 石川陽, 堀裕和, 岸野克巳, 小林潔
- Organizer
  第64回応用物理学会春季学術講演会
- Place of Presentation
  パシフィコ横浜（神奈川県横浜市）
- Year and Date
  2017-03-14
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] 近接場光局所励起・観察によるキャリア輸送現象の解明2017
- Author(s)
  岩本亘平, 栗原和也, 酒井優, 石川陽, 堀裕和, 岸野克巳, 小林潔
- Organizer
  日本光学会ナノオプティクス研究グループ第24回研究討論会
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] Experimental and Theoretical Investigation of Carrier Dynamics after Local Excitation with Two-Probe SNOM2016
- Author(s)
  K. Iwamoto, M. Sakai, T. Kougo, K. Uchiyama, K. Kishino, H. Hori, A. Ishikawa, and K. Kobayashi
- Organizer
  The 14th International Conference of Near-Field Optics, Nanophotonics and Related Techniques (NFO14)
- Place of Presentation
  Act City Hamamatsu, Hamamatsu, Japan
- Year and Date
  2016-09-04
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] 近接場光局所励起・観察によるキャリア輸送現象の解明2016
- Author(s)
  岩本亘平, 酒井優, 石川陽, 堀裕和, 岸野克巳, 小林潔
- Organizer
  第77回応用物理学会秋季学術講演会
- Place of Presentation
  朱鷺メッセ（新潟県新潟市）
- Year and Date
  2016-09-13
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] Development of Multi-Probe SNOM for Investigation of Carrier Dynamics in Semiconductor Quantum Wells2015
- Author(s)
  M. Sakai, Y. Miwa, A. Syouji, A. Ishikawa, K. Uchiyama, K. Kobayashi, T. Matsumoto, K. Kishino, and H. Hori
- Organizer
  The 10th Asia-Pacific Conference on Near-field Optics
- Place of Presentation
  Hakodate Research Center for Fisheries and Oceans, Hakodate, Hokkaido, Japan
- Year and Date
  2015-07-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] Theory of Spatiotemporal Carrier Dynamics in a Semiconductor Quantum Well2015
- Author(s)
  A. Ishikawa, M. Sakai, K. Iwamoto, T. Kougo, Y. Miwa, K. Uchiyama, H. Hori, and K. Kobayashi
- Organizer
  The 10th Asia-Pacific Conference on Near-field Optics
- Place of Presentation
  Hakodate Research Center for Fisheries and Oceans, Hakodate, Hokkaido, Japan
- Year and Date
  2015-07-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K04599
[Presentation] 半導体中の励起輸送解明のための第2高調波アシスト光近接場プローブ顕微測定法の研究
- Author(s)
  大久保領, 三輪嘉彦, 酒井優, 東海林篤, 内山和治, 小林潔, 松本俊, 岸野克巳, 堀裕和
- Organizer
  日本光学会ナノオプティクス研究グループ第21回研究討論会
- Place of Presentation
  山梨大学甲府キャンパス（山梨県・甲府市）
- Year and Date
  2015-03-04 – 2015-03-05
- Data Source
  KAKENHI-PROJECT-25870279
[Presentation] 近接場マルチプローブ顕微鏡による半導体量子井戸内の励起輸送観察(Ⅳ)
- Author(s)
  三輪嘉彦, 大久保領, 高橋良慈, 酒井優, 東海林篤, 内山和治, 小林潔, 松本俊, 岸野克巳, 堀裕和
- Organizer
  第75回応用物理学会秋季学術講演会
- Place of Presentation
  北海道大学札幌キャンパス（北海道・札幌市）
- Year and Date
  2014-09-17 – 2014-09-20
- Data Source
  KAKENHI-PROJECT-25870279
[Presentation] Development of Multi-Probe SNOM for Investigation of Carrier Dynamics in Semiconductor Quantum Wells
- Author(s)
  M. Sakai, Y. Miwa, A. Syouji, A. Ishikawa, K. Uchiyama, K. Kobayashi, T. Matsumoto, K. Kishino, and H. Hori
- Organizer
  The 10th Asia-Pacific Conference on Near-field Optics (APNFO10)
- Place of Presentation
  Hakodate Research Center for Fisheries and Oceans (Hakodate, Hokkaido, Japan)
- Year and Date
  2015-07-07 – 2015-07-10
- Data Source
  KAKENHI-PROJECT-25870279
[Presentation] 近接場マルチプローブ顕微鏡による半導体量子井戸内の励起輸送観察(Ⅴ)
- Author(s)
  三輪嘉彦, 大久保領, 酒井優, 東海林篤, 内山和治, 小林潔, 松本俊, 岸野克巳, 堀裕和
- Organizer
  第62回応用物理学会春季学術講演会
- Place of Presentation
  東海大学湘南キャンパス（神奈川県・平塚市）
- Year and Date
  2015-03-11 – 2015-03-14
- Data Source
  KAKENHI-PROJECT-25870279
[Presentation] 第二高調波アシスト光近接場顕微鏡による青色半導体の局所観察
- Author(s)
  大久保領, 三輪嘉彦, 高橋良慈, 酒井優, 東海林篤, 内山和治, 小林潔, 松本俊, 岸野克巳, 堀裕和
- Organizer
  第75回応用物理学会秋季学術講演会
- Place of Presentation
  北海道大学札幌キャンパス（北海道・札幌市）
- Year and Date
  2014-09-17 – 2014-09-20
- Data Source
  KAKENHI-PROJECT-25870279
[Presentation] 光近接場マルチプローブ顕微鏡による半導体量子井戸内の励起輸送観察
- Author(s)
  三輪嘉彦, 大久保領, 酒井優, 東海林篤, 内山和治, 小林潔, 松本俊, 岸野克巳, 堀裕和
- Organizer
  日本光学会ナノオプティクス研究グループ第21回研究討論会
- Place of Presentation
  山梨大学甲府キャンパス（山梨県・甲府市）
- Year and Date
  2015-03-04 – 2015-03-05
- Data Source
  KAKENHI-PROJECT-25870279

1. SYOUJI Atsushi (40392724)

# of Collaborated Projects: 4 results

# of Collaborated Products: 10 results
2. 石川陽 (10508807)

# of Collaborated Projects: 2 results

# of Collaborated Products: 8 results
3. 小島磨 (00415845)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 大槻東巳

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

SAKAI Masaru 酒井 優

酒井 優 サカイ マサル

Research Projects

Research Products

Co-Researchers

Quantitative evaluation of appearance of second-order optical nonlinearity caused by lattice strain using optical spectra

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

磁性フォトニック結晶による光伝搬の横シフトのメカニズム解明と実証

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

単一半導体マイクロ結晶の光共振器特性の詳細評価と発振特性の解明Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Observation of photoexcited carrier propagation using time-resolved multi-probe SNOMPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Visualization of crystal polarization utilizing coherently excited nearfield probes

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

2D imaging of light localizationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

半導体ナノ材料観察のための近接場ラマン分光システムPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Stability of Intensity Imbalance between Left‐ and Right‐Circulation Modes in GaN Hexagonal Microdisk2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Coherent anti-Stokes Raman scattering spectroscopy system for observation of water molecules in anion exchange membrane2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Thickness Dependence on Wavelength Range of Random Laser in Ultrathin ZnO Crystals Grown by Mist-CVD on C-plane Sapphire Substrate2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Near-field optical imaging of light localization in GaN nanocolumn system2014

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] High-Contrast Imaging of Nano-Channels Using a Reflection Near-Field Scanning Optical Microscope Enhanced by Optical Interference2006

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Observation of Amorphous Recording Marks Using Reflection-Mode Near-Field Scanning Optical Microscope Supported by Optical Interference Method2005

Author(s)

Journal Title

NAID

Data Source

[Presentation] Whispering gallery mode oscillation in wurtzite and zincblende GaN microdisks2023

Author(s)

SAKAI Masaru 酒井優

酒井優サカイマサル