-
Complex amplitude signal detection method based on deep learning for holographic data storage
International coauthorship
International conference
Jianying Hao, Xiaoqing Zheng, Xiao Lin, Soki Hirayama, Ryushi Fujimura, Xiaodi Tan, and Tsutomu Shimura
OPTICS & PHOTONICS International Congress
2024.4
SPIE
-
スペックル多重を用いたホログラフィック導光板の研究
片岡 大樹, 藤村 隆史
第18回関東学生研究論文講演会
2024.3
日本光学会 情報フォトニクス研究グループ
-
機械学習を用いた位相 4 値多重記録画像の位相検出
會澤 颯泰, 藤村 隆史
第18回関東学生研究論文講演会
2024.3
日本光学会 情報フォトニクス研究グループ
-
ハルトマンマスクを用いた位相信号検出精度の評価
大塚 颯斗, 藤村 隆史
第18回関東学生研究論文講演会
2024.3
日本光学会 情報フォトニクス研究グループ
-
ブラックソーラーウィンドウのためのナノ構造の散乱制御の研究
小林 優希, 藤村 隆史
第18回関東学生研究論文講演会
2024.3
日本光学会 情報フォトニクス研究グループ
-
Shift multiplexing surface holographic data storage
Invited
International conference
Soki Hirayama, Ryushi Fujimura, Yoshito Y. Tanaka, and Tsutomu Shimura
Photonics WEST 2024
2024.1
SPIE
-
ホログラフィックメモリーにおけるクロストークノイズの抑制と利用
Invited
藤村 隆史
レーザー学会学術講演会第44回年次大会
2024.1
一般社団法人 レーザー学会
-
Design and Fabrication of Plasmonic Metal Nanostructures for Green Photonics
International conference
Kai Kadowaki, Narumi Asato, Haruki Watanabe, Duthika Perera, Masaaki Magari, and Ryushi Fujimura
ISOT2023/IWOB2023
2023.12
Center for Optical Research and Education (CORE), Utsunomiya University
-
Evaluation of the Effect of Hologram Discretization on Memory Characteristics in a Shift-multiplexing Surface Holographic Memory
International conference
Soki Hirayama, Ryushi Fujimura, and Tsutomu Shimura
International Workshop on Holography and related technologies (IWH2022&2023)
2023.12
-
シリコンメタサーフェスにおける第二高調波発生の実現
2023.9
-
表面型シフト多重ホログラフィックメモリーにおけるホログラムの離散化による信号再生特性への影響評価
2023.9
-
Ag semi-shell structures with protective layers: photo-thermal deformation and application to the optical memory
International conference
Narumi Asato and Ryushi Fujimura
The Fourteenth Japan-Finland Joint Symposium on Optics in Engineering (OIE2023)
2023.8
The Graduate School for the Creation of New Photonics Industries and innovative Photonics Evolution Research Center (iPERC)
-
Heating Effects on Iron Oxide and ITO Electrodes for Efficient Water Splitting
International conference
Haruki Watanabe and Ryushi Fujimura
The Fourteenth Japan-Finland Joint Symposium on Optics in Engineering (OIE2023)
2023.8
The Graduate School for the Creation of New Photonics Industries and innovative Photonics Evolution Research Center (iPERC)
-
Single shot detection of polarization and phase modulated signals using inter-pixel crosstalk noise in holographic data storage
International conference
Toru Tatsuki and Ryushi Fujimura
The Fourteenth Japan-Finland Joint Symposium on Optics in Engineering (OIE2023)
2023.8
The Graduate School for the Creation of New Photonics Industries and innovative Photonics Evolution Research Center (iPERC)
-
Evaluation of color image characteristics in volume holographic waveguide
International conference
Kenta Kikuchi and Ryushi Fujimura
The Fourteenth Japan-Finland Joint Symposium on Optics in Engineering (OIE2023)
2023.8
The Graduate School for the Creation of New Photonics Industries and innovative Photonics Evolution Research Center (iPERC)
-
Deep learning-based super-resolution holographic data storage
International coauthorship
International conference
Jianying Hao, Xiao Lin, Ryushi Fujimura, Soki Hirayama, Yoshito Tanaka, Xiaodi Tan, and Tsutomu Shimura
OPTICS & PHOTONICS International Congress 2023
SPIE
-
Double phase hologram based high-capacity holographic memory
Invited
International coauthorship
Jianying Hao, Xiaoqing Zheng, Xiao Lin, Ryushi Fujimura, Soki Hirayama, Yoshito Tanaka, Xiaodi Tan, Tsutomu Shimura
2023.3
-
ホログラフィックメモリーにおける偏光多値信号のクロストークを利用したシングルショット検出
立木透, 藤村隆史
第17回関東学生研究論文講演会
2023.3
日本光学会 情報フォトニクス研究グループ
-
酸化鉄光触媒を用いた水分解の高効率化
渡邉陽来, 藤村隆史
第17回関東学生研究論文講演会
2023.3
日本光学会 情報フォトニクス研究グループ
-
体積ホログラム導光板におけるカラーイメージ伝送特性の評価
菊地健太, 藤村隆史
第17回関東学生研究論文講演会
2023.3
日本光学会 情報フォトニクス研究グループ
-
金属セミシェル構造の保護層の形成と光熱変形特性への影響の調査
安里成海, 藤村隆史
第17回関東学生研究論文講演会
2023.3
日本光学会 情報フォトニクス研究グループ
-
Numerical investigation of the storage density in multi-valued holographic data storage systems
Invited
International conference
Photonics WEST 2023
2023.2
SPIE
-
Suppression and utilization of inter-pixel crosstalk noise in holographic data storage systems
Invited
International conference
Ryushi Fujimura
International Workshop on Optics, Biology, and Related Technologies (IWOB2022-2023)
2022.12
Center for Optical Research and Education, Utsunomiya University
-
デザインされた位相パターンを付加した強度多値信号の再生特性
野中琢矢, 藤村隆史
Optics & Photonics Japan 2022
2022.10
日本光学会
-
Complex amplitude modulated holographic data storage based on one phase spatial light modulator
International coauthorship
International conference
Jianying Hao, Xiao Lin, Soki Hirayama, Ryushi Fujimura, Yoshito Tanaka, Xiaodi Tan, Tsutomu Shimura
Frontiers in Optics
2022.10
Optica
-
Complex Amplitude Demodulation Based on Deep Learning in Holographic Data Storage
International coauthorship
Jianying Hao, Xiao Lin, Ryushi Fujimura, Yoshito Tanaka, Soki Hirayama, Xiaodi Tan, Tsutomu Shimura
2022.9
-
Evaluation of Memory Characteristics in a Surface Shift-multiplexing Holographic Memory
International conference
Soki Hirayama, Ryushi Fujimura, Yoshito Y. Tanaka, and Tsutomu Shimura
CLEO-PR2022/ISOM'22/ODF'22
2022.8
-
Iterative Phase Determination Method using Pixel Spread Function
Invited
International conference
R. Fujimura
International Workshop on Holography and related technologies (IWH2021)
2022.3
-
Analysis and evaluation of the memory characteristics in the surface shift-multiplexing holographic memory
International conference
S. Hirayama, R. Fujimura, Y. Tanaka, T. Shimura
International Workshop on Holography and related technologies (IWH2021)
2022.3
-
Single shot detection of phase-modulated signals by using inter-pixel crosstalk
Invited
International conference
R. Fujimura, M. Tokoro
Photonics West 2022
2022.2
-
広帯域光源を用いた体積ホログラム再生法
Invited
藤村隆史
有機エレクトロニクス研究会
2021.12
-
Single-shot Detection of Phase-encoded Signals in Holographic Data Storage System
Invited
International conference
R. Fujimura, M. Tokoro
International Symposium on Imaging, Sensing, and Optical Memory 2021
2021.10
-
1次元計算機ホログラフィックメモリーにおける時系列信号の再生特性の評価
古山昂樹, 藤村隆史, 田中嘉人, 志村努
第82回応用物理学会秋季学術講演会
2021.9
-
クロストークを利用したシングルショット位相検出法における位相決定アルゴリズムの検討
藤村隆史
第82回応用物理学会秋季学術講演会
2021.9
-
Line symmetric image input technique of volumetric hologram waveguide for wide field of view head mounted displays
International conference
T. Nakamura R. Fujimura
International Symposium on Imaging, Sensing, and Optical Memory 2020
2020.12
-
Single-shot detection of amplitude and phase modulated signals by using inter-pixel crosstalk
International conference
T. Tokoro R. Fujimura
International Workshop on Holography and related technologies 2020
2020.10
-
Improvement of multiplicity in surface collinear holographic memory using Π(Pi)-shaped signal and reference pattern
International conference
S. Hirayama R. Fujimura Y. Tanaka T. Shimura
International Workshop on Holography and related technologies 2020
2020.10
-
Polychromatic reconstruction for phase-encoded holographic data storage
Invited
International conference
Photonics Asia
2020.10
-
Holographic data storage using polychromatic light source
Invited
International conference
R. Fujimura
International Conference on Optoelectronic and Microelectronic Technology and Application 2020
2020.10
-
Noise Analysis of a Surface Collinear Holographic Memory
International conference
S. Hirayama R. Fujimura S. Umegaki Y. Tanaka T. Shimura
International Workshop on Holography and related technologies 2019
2019.11
-
Phase modulated time series signal holographic memory
Invited
International conference
T. Shimura K. Dongseok L. Xin R. Omori M. Kawasaki
International Workshop on Holography and related technologies 2019
2019.11
-
Optimization of recording parameters for large density holographic data storage
Invited
International conference
R. Fujimura
International Workshop on Holography and related technologies 2019
2019.11
-
プラズモニック金属ナノ構造の光熱応用
藤村隆史
第27回 マイクロシステム融合研究会
2019.10
-
Suppression and Utilization of Crosstalk-Noise in Multi-Valued Holographic Data Storage System
Invited
International conference
R. Fujimura M. Tokoro M. Saito
International Symposium on Imaging, Sensing, and Optical Memory 2019
2019.10
-
Single Shot Detection of Phase Encoded Signal by Using Deep Learning
International conference
M. Tokoro R. Fujimura
International Symposium on Imaging, Sensing, and Optical Memory 2019
2019.10
-
Coherent Scattering Noise Reduction Method for Phase Multi-Level Holographic Data Storage System
International conference
Y. Nakamura R. Fujimura
International Symposium on Imaging, Sensing, and Optical Memory 2019
2019.10
-
Servo signal generation in collinear holographic memory
International conference
D. Kim T. Shimura M. Endo Y. Tanaka R. Fujimura
Photorefractive Photonics and beyond
2019.6
-
Single shot signal detection in phase-encoded holographic data storage
Invited
International conference
R. Fujimura Y. Kunii Y. Nakamura T. Shimura
Photonics West 2019
2019.2
-
Single shot detection of phase-encoded signal by using inter-pixel crosstalk
Invited
International conference
R. Fujimura Y. Kunii M. Tokoro T. Shimura
International Workshop on Holography and related technologies 2018
2018.12
-
Recording interval dependence in time series angle-multiplexed holographic memory
International conference
X. Luo Y. Tanaka R. Fujimura M. Endo T. Shimura
International Workshop on Holography and related technologies 2018
2018.12
-
Noise suppression in intensity-modulated multivalued holographic memory
International conference
M. Saito R. Fujimura
International Workshop on Photonics Polymer for Innovation
2018.10
-
Study of off-Bragg diffraction characteristic in oblique rectangular holograms
International conference
T. Nemoto R. Fujimura
International Workshop on Photonics Polymer for Innovation
2018.10
-
Phase modulated time series angle-multiplexed holographic memory
International conference
X. Luo Y. Tanaka R. Fujimura M. Endo T. Shimura
International Workshop on Photonics Polymer for Innovation
2018.10
-
位相多値ホログラフィックメモリーのノイズ解析
Invited
藤村隆史 染谷和希 福田健太
磁気記録・情報ストレージ研究会
2018.3
-
Influence of Media Shrinkage in Phase Encoded Holographic Memory
Invited
International conference
R. Fujimura K. Fukuda
International Workshop on Holography and Related Technologies 2017
2017.11
-
Principle and characteristics of phase modulated time series collinear holographic memory
International conference
R. Omori H. Nishimoto X. Lin Y. Tanaka R. Fujimura
International Workshop on Holography and Related Technologies 2017
2017.11
-
Improvement of Signal to Noise Ratio in Phase-multivalued Holographic Data Storage by Limiting Aperture Opening of Imager Pixels
International conference
Y. Nakamura A. Odanaga R. Fujimura
International Workshop on Holography and Related Technologies 2017
2017.11
-
Phase-encoded signal detection by using inter-pixel crosstalk
International conference
Y. Kunii T. Shimura Y. Nakamura R. Fujimura
International Workshop on Holography and Related Technologies 2017
2017.11
-
Direct Measurement of Color Speckle II Modification of 2D Colorimeter
Invited
International conference
K. Kuroda J. Kinoshita H. Tanaka R. Fujimura K. Yamamoto
Laser Display and Lighting Conference 2017
2017.4
-
Single-Shot Fast Phase Retrieval in the Holographic Data Storage
International conference
X. Lin T. Shimura R. Fujimura Y. Tanaka M. Endo
Information Photonics 2017
2017.4
-
Improvement of Signal to Noise Ratio in Holographic Data Storage by Limiting Aperture Opening of Imager Pixels
Invited
International conference
R. Fujimura Y. Nakamura A. Odanaga
International Workshop on Holography and related technologies
2016.11
-
Numerical analysis of readout tolerance for medium shrinkage in phase-encoded holographic memory
International conference
R. Fujimura K. Fukuda
International Workshop on Photonics Polymer for Innovation
2016.10
-
Modeling of scheduling free photopolymers for holographic data storage
International conference
Y. Takeda T. Shimura S. Umegaki M. Endo R. Fujimura
The 26th International Symposium on Optical Memory
2016.10
-
Known Phase Embedded Collinear Holographic Memory
International conference
H. Nishimoto R. Fujimura M. Endo S. Umegaki T. Shimura
International Workshop on Photonics Polymer for Innovation
2016.10
-
Single-shot phase reconstruction by iterative Fourier transform algorithm in the holographic data storage system
International conference
X. Lin R. Fujimura S. Umegaki M. Endo Y. Tanaka
The 26th International Symposium on Optical Memory
2016.10
-
Recording Signal Beam Pattern Measurement by Lens-Less Fourier Digital Holography Based on Rayleigh-Sommerfeld Diffraction Integral
International conference
S. Kashiwagi D. Barada R. Fujimura K. Fukuda S. Kawata
International Workshop on Photonics Polymer for Innovation
2016.10
-
Inter-pixel Crosstalk Cancellation on Holographic Memory
International conference
T. Ishii R. Fujimura
The 26th International Symposium on Optical Memory
2016.10
-
Optically Tunable Plasmonic Resonance in Semi-Shell Nanostructures for Plasmonic Optical Memory
International conference
R. Fujimura S. Shibata T. Oyama R. Sato
The 26th International Symposium on Optical Memory
2016.10
-
Experimental Verification of Lens-less Fourier Digital Holography based on Rayleigh-Sommerfeld Diffraction Integral
International conference
S. Kashiwagi D. Barada R. Fujimura T. Fukuda S. Kawata
Digital Holography and 3-D Imaging
2016.7
-
Direct Measurement of Color Speckle
International conference
K. Kuroda R. Fujimura J. Kinoshita H. Murata
The 5th Laser Display and Lighting Conference
2016.7
-
Polychromatic reconstruction for holographic data storage
Invited
International conference
R. Fujimura T. Shimura K. Kuroda
The International Symposium on Optoelectronic Technology and Application
2016.5
-
Writing and Reading Characteristics of Time Sequential Angle-multiplexed Holographic Memory
International conference
Y. Hayashi R. Fujimura M. Endo S. Umegaki T. Shimura
International Workshop on Holography and related technologies 2015
2015.12
-
Recording Mechanism in Optical Development Photopolymer
International conference
Y. Takeda R. Fujimura S. Umegaki T. Shimura
International Workshop on Holography and related technologies 2015
2015.12
-
Numerical Analysis of Inter-page Crosstalk Noise in Holographic Memory System with Multivalued Phase Signal
International conference
K. Someya R. Fujimura
International Workshop on Holography and related technologies 2015
2015.12
-
Theory of polarization holography for polychromatic readout beam
International conference
R. Fujimura R. Yoshida T. Shimura K. Kuroda
International Symposium on Optical Memory 2015
2015.10
-
Increase of the Data Storage Density in the Angle Multiplexed Holographic Memory with the Time Series Signal Coding
International conference
T. Shimura Y. Hayashi S. Umegaki M. Endo R. Fujimura
International Symposium on Optical Memory 2015
2015.10
-
Recording and Reconstruction Characteristics of of Polarization Holography
Invited
International conference
K. Kuroda R. Fujimura X. D. Tan
International Symposium on Optical Memory 2015
2015.10
-
Polychromatic reconstruction in polarization holographic memory
International conference
R. Fujimura R. Yoshida T. Shimura K. Kuroda
Photorefractive Photonics 2015
2015.6
-
Pixel position dependence of the signal in the time series signal holographic memory
International conference
T. Shimura T. Nozaki M. Endo R. Fujimura
Photorefractive Photonics 2015
2015.6
-
Transmission of Light across a Gold Thin film through Gold Nanospheres
Kazuki Fujii Ryushi Fujimura Masayuki Shimojo Kotaro Kajikawa
5th International Topical Meeting on Nanophotonics and Metamaterials
2015.1
-
Transfer matrix of polarization state in polychromatic polarization holography
Ryu Yoshida Kazuki Someya Tsutomu Shimura Kazuo Kuroda Ryushi Fujimura
International Workshop on Holography and related technologies
2014.10
-
Low-power all-optical bistable device of twisted-nematic liquid crystal based on surface plasmons in a metal-insulator-metal structure
Pham Tien Thanh Ryushi Fujimura Yoichi Takanishi Kotaro Kajikawa
The 2013 Optics of Liquid Crystals
2013.11
-
Numerical study of polarization holographic memory reconstructed with polychromatic light
R. Fujimura
International Workshop on Holography and related technologies
2013.10
-
Coherent random laser fluid of nematic liquid crystal emulsions
K. Kajikawa Y. Nagai R. Fujimura
The 18th Microoptics Conference
2013.10
-
Temporally Coded Collinear Holographic Memory
M. Kawasaki R. Fujimura T. Shimura K. Kuroda
The 10th Conference on Lasers and Electro-Optics Pacific Rim
2013.7
-
Multilevel Logic Polarization Coded Holographic Memory
Y. Matsuhashi R. Fujimura T. Shimura K. Kuroda
The 10th Conference on Lasers and Electro-Optics Pacific Rim
2013.7
-
Laser Emission from Dye-Doped Nematic Liquid Crystal Emulsions
Y. Nagai R. Fujimura K. Kajikawa
Seventh International Conference on Molecular Electronics and Bioelectronics
2013.3
-
Low-power all-optical bistable device of twisted-nematic liquid crystal based on surface plasmons in a metal-insulator-metal structure
P.T. Thanh R. Fujimura K. Kajikawa
The 1st Asian Conference on Liquid Crystals
2012.12
-
Two Lasing Modes in Dye-Doped Nematic Liquid Crystals :Random and Whispering-Gallery-Mode Lasers
Y. Nagai R. Fujimura K. Kajikawa
The 1st Asian Conference on Liquid Crystals
2012.12
-
Numerical Simulation of Polarization Multi-Level Record Holographic Memory
Y. Matsuhashi R. Fujimura T. Shimura K. Kuroda
International Workshop on Holography and Related Technologies 2012
2012.11
-
Time Sequential Signal Collinear Holographic Memory
M. Kawasaki R. Fujimura T. Shimura K. Kuroda
International Workshop on Holography and Related Technologies 2012
2012.11
-
Polarization holography with large crossing angle
Y. Matsuhashi R. Fujimura T. Shimura K. Kuroda
1st International Conference on Advanced Photonic Polymers
2011.12
-
Simulationof grating growth process of multiplexed holograms in photopolymer
C. Kusunoki R. Fujimura T. Shimura K. Kuroda
1st International Conference on Advanced Photonic Polymers
2011.12
-
Beam crossing angle dependence of polarization holography
Y. Matsuhashi R. Fujimura T. Shimura K. Kuroda
International Workshop on Holography and Related Technologies 2011
2011.11
-
Readout tolerance for change of medium volume in polychromatic reconstruction method
R. Fujimura T. Shimura K. Kuroda
International Workshop on Holography and Related Technologies 2011
2011.11
-
Simulation of grating formation process of multiplexed holograms in photopolymer
C. Kusunoki R. Fujimura T. Shimura K. Kuroda
International Workshop on Holography and Related Technologies 2011
2011.11
-
Coherence length of femtosecond laser pulses measured by photogalvanic currents in Gallium Phosphide
I. Yoshimine A.A. Kamshilin R. Fujimura T. Satoh K. Kuroda
Photorefractve Materials, Effects and Devices, Light in Nonlinear Structured Materials
2011.10
-
Nondestructive reconstruction in holographic data storage by use of polychromatic readout light source
R. Fujimura T. Shimura K. Kuroda
Photorefractve Materials, Effects and Devices, Light in Nonlinear Structured Materials
2011.10
-
Photorefractive properties of undoped aluminum nitride
T. Nagai R. Fujimura T. Shimura K. Kuroda
Photorefractve Materials, Effects and Devices, Light in Nonlinear Structured Materials
2011.10
-
Reversible photo polymer modified with coumarin
Y. Okane N. Oya F. Nomura R. Fujimura N. Yoshie
Photorefractve Materials, Effects and Devices, Light in Nonlinear Structured Materials
2011.10
-
Linear photogalvanic current in GaP crystals excited by femtosecond pulses
I. Yoshimine A.A. Kamshilin R. Fujimura T. Satoh T. Shimura
The Ninth Japan-Finland Joint Symposium on Optics in Engineering
2011.9
-
広帯域光源を用いた非破壊性ホログラフィックメモリー
藤村隆史 志村努 黒田和男
第12回情報フォトニクス研究グループ研究会
2011.9
-
Estimation of the Signal to Noise Ratio and M/# Consumption of the Collinear Holographic Memory for High Density Recording
T. Shimura J. Tottori R. Fujimura K. Kuroda
International Symposium on Optical Memory 2010
2010.10
-
Theoretical estimation of signal to noise ratio in collinear holographic memory at 10 TBite per disk recording
T. Shimura J. Tottori R. Fujimura K. Kuroda
Optical Data Storage
2010.5