Atsushi Okamoto

Profile Information

Affiliation: Associate Professor, Graduate School of Information Science and Technology, Course of Electronics for Informatics, Hokkaido University

Degree: Doctor of Engineering(Hokkaido University)
工学修士(北海道大学)

J-GLOBAL ID: 200901093447908618
researchmap Member ID: 1000000672

External link: http://optpia.ist.hokudai.ac.jp/

Research Interests

Research Areas

Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Communication and network engineering /
Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Electronic devices and equipment /
Nanotechnology/Materials / Optical engineering and photonics /

Research History

2007

- 北海道大学准教授（情報科学研究科先端エレクトロニクス講座) 准教授

Committee Memberships

Awards

Nov, 2012

Outstanding Student Paper Award, IWH2012, Interpage crosstalk suppression by spatial spectrum diffusion and digital phase conjugate reconstruction

Atsushi Shibukawa, Atsushi Okamoto, Yuta Wakayama, Akihisa Tomita, Hisatoshi Funakoshi, Kunihiro Sato
Oct, 2012

ISOM2012 Best Student Paper Award, 38-Level Spatial Quadrature-Amplitude Modulation Recording with Double-Referential Holography

Keisuke Zukeran, Atsushi Okamoto, Masanori Takabayashi, Atsushi Shibukawa, Akihisa Tomita
2006

ISOM Excessent Student Award
2005

Best Paper Award
2005

Best Paper Award
2001

General Research Award

Papers

189

Reduction of the two-photon temporal distinguishability for measurement-device-independent quantum key distribution

Haobo Ge, Akihisa Tomita, Atsushi Okamoto, Kazuhisa Ogawa

Optics Letters, 49(4) 822-822, Feb 5, 2024 Peer-reviewed
Maximum multiplexing number of mode diffusion multiplex communication using progressive phase conjugation

Zeyu Shen, Atsushi Okamoto, Akihisa Tomita

33th International Symposium on Imaging, Sensing, and Optical Memory 2023(ISOM’2023), Mo-F-02, Nov, 2023 Peer-reviewed
Performance Improvement by Convolutional Neural Networks in Virtual Phase Conjugation-based Optical Tomography

Yu Yamada, Atsushi Okamoto, Yuki Oyama, Akihisa Tomita

33th International Symposium on Imaging, Sensing, and Optical Memory 2023(ISOM’2023), Mo-B-01, Nov, 2023 Peer-reviewed
Improvement of Phase Modulation Accuracy in LCOS-based Wave Shaper by Division of Modulation Region

Wang Jianglian, Atsushi Okamoto, Nobuhiro Yamagishi, Yuta Goto, Akihisa Tomita

33th International Symposium on Imaging, Sensing, and Optical Memory 2023(ISOM’2023), Mo-F-01, Nov, 2023 Peer-reviewed
Virtual Measurement Technology for Reduction of Inter-Layer Noise in Virtual Phase Conjugation based Optical Tomography

Yuki Oyama, Atsushi Okamoto, Akihisa Tomita

33th International Symposium on Imaging, Sensing, and Optical Memory 2023(ISOM’2023), Tu-E-03, Nov, 2023 Peer-reviewed
Single-shot digital holography separating the real and imaginary parts of a signal beam in the rhombic region of the Fourier plane

Nobuhiro Yamagishi, Atsushi Okamoto, Akihisa Tomita

Optical Review, 30(2) 217-231, Mar 28, 2023 Peer-reviewed
Analysis of the Effects of the Two-Photon Temporal Distinguishability on Measurement-Device-Independent Quantum Key Distribution

Haobo Ge, Akihisa Tomita, Atsushi Okamoto, Kazuhisa Ogawa

IEEE Transactions on Quantum Engineering, 4 1-8, 2023
Spatial mode compensation technique using progressive phase conjugation

Zeyu Shen, Atsushi Okamoto, Shuanglu Zhang, Akihisa Tomita

Optical Review, Sep 12, 2022 Peer-reviewed
Influence of phase accuracy on mode compensation using progressive phase conjugation

Zeyu Shen, Atsushi Okamoto, Akihisa Tomita

32th International Symposium on Imaging, Sensing, and Optical Memory 2022 (ISOM’22), P-IPDP-04, Aug, 2022 Peer-reviewed
Mode diffusion technique for crosstalk reduction in volume holographic mode exchanger

Zhang Shuanglu, Atsushi Okamoto, Akihisa Tomita

32th International Symposium on Imaging, Sensing, and Optical Memory 2022 (ISOM’22), P-ITu-09, Aug, 2022 Peer-reviewed
Spatial-light-modulator-based optical-fiber joint switch for few-mode multicore fibers

Shuanglu Zhang, Atsushi Okamoto, Yuta Abe, Ryo Watanabe, Akihisa Tomita, Daiki Soma, Yuta Wakayama, Takehiro Tsuritani

Optics Express, 29(24) 39096-39096, Nov 22, 2021 Peer-reviewed
Relationship Between Detector Accuracy and Measurement Quality in Superresolution Complex Amplitude Measurements Using Virtual Phase Conjugation

Ryoya Imai, Atsushi Okamoto, Satoshi Kawashima, Kazuhisa Ogawa, Akihisa Tomita

12th International Conference on Optics-photonics Design & Fabrication“ODF '20 in 2021 Technical Digest, 01S1-04, Oct, 2021 Peer-reviewed
3D super-resolution projection using single-lens spatial cross-modulation method

31th International Symposium on Imaging, Sensing, and Optical Memory 2021 (ISOM’21), Tu-D-03, Oct, 2021 Peer-reviewed
Improvement in Diffraction Efficiency of Volume Holographic Mode DeMultiplexer with Dual Wavelength method by Using Thick Medium

Yuya Kuroda, Atsushi Okamoto, Akihisa Tomita, Taketoshi Takahata, Satoshi Shinada, Yuta Goto, Naoya Wada

31th International Symposium on Imaging, Sensing, and Optical Memory 2021 (ISOM’21), We-A-04, Oct, 2021 Peer-reviewed
Improvement of mode compensation accuracy using a random diffuser in progressive phase conjugation

Zeyu Shen, Atsushi Okamoto, Shuanglu Zhang, Akihisa Tomita

31th International Symposium on Imaging, Sensing, and Optical Memory 2021 (ISOM’21), We-B-03, Oct, 2021 Peer-reviewed
Complex amplitude control technology for mode-multiplexing optical communication

Atsushi Okamoto, Tomohiro Maeda, Taketoshi Takahata, Yuta Goto, Satoshi Shinada, Naoya Wada

02S4-05, Jun, 2021 Peer-reviewedInvited
Spatial mode exchange technique using volume holograms with a random optical diffuser for reduction of crosstalk

Shuanglu Zhang, Atsushi Okamoto, Taijun Shiba, Hotaka Hayashi, Kazuhisa Ogawa, Akihisa Tomita, Taketoshi Takahata, Satoshi Shinada, Yuta Goto, Naoya Wada

OPTICAL REVIEW, 28(2) 181-189, Apr, 2021
Super-resolution Measurement By Virtual Phase Conjugation Using A Small Number Of Pixels For Optical Detection

Satoshi Kawashima, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita

30th International Symposium on Imaging, Sensing, and Optical Memory 2020 (ISOM’20), Mo-D-04, Nov, 2020 Peer-reviewed
Improving the reconstruction quality of spatial mode exchange technique by adjusting the diffusion angle of diffuser

Zhang Shuanglu, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita, Taketoshi Takahata, Satoshi Shinada, Yuta Goto, Naoya Wada

30th International Symposium on Imaging, Sensing, and Optical Memory 2020 (ISOM’20), Mo-C-01, Nov, 2020 Peer-reviewed
空間光変調器を用いた光波制御と光情報処理

岡本淳, 前田智弘, 舟越久敏

電子情報通信学会論文誌 C, Vol.J103-C(10) 412-419, Sep, 2020 Peer-reviewedInvitedLead author

Misc.

445

Improvement of Diffraction Efficiency of Mode Demultiplexer Using Volume Hologram at 1550nm

119(231) 105-108, Oct 17, 2019
Improvement of Diffraction Efficiency of Mode Demultiplexer Using Volume Hologram at 1550nm

119(230) 105-108, Oct 17, 2019
Improvement of noise separation accuracy in image reconstruction in virtual phase conjugation based optical tomography

118(449) 71-74, Feb 19, 2019
Improvement of noise separation accuracy in image reconstruction in virtual phase conjugation based optical tomography

43(5) 71-74, Feb, 2019
光の連続性を活用した量子誤り耐性向上手法

福井浩介, 藤井啓祐, 富田章久, 岡本淳

日本物理学会誌, 74(10) 720-726, 2019
Experiment on digital image multiplexing/demultiplexing using virtual phase conjugation for high density holographic memory

117(432) 261-265, Feb 15, 2018
Experiment on digital image multiplexing/demultiplexing using virtual phase conjugation for high density holographic memory

117(431) 261-265, Feb 15, 2018
Experiment on digital image multiplexing/demultiplexing using virtual phase conjugation for high density holographic memory

42(4) 261-265, Feb, 2018
Experiment on selective mode conversion using dual-phase modulation

117(196) 51-55, Aug 31, 2017
Separation Characteristics of Volume Holographic Spatial Mode Demultiplexer at 850 nm Wavelength

117(196) 45-50, Aug 31, 2017
Experiment on Virtual Shift Method for Alignment Error Reduction of Holographic Diversity Interferometry

116(464) 153-156, Feb 20, 2017
Characterization of multiplexing technique using virtual phase conjugation for high density holographic memory

116(463) 147-152, Feb 20, 2017
Experiment on Dual-Wavelength Method toward Spatial Mode De-Multiplexing with Volume Hologram in Optical Communication Wavelength Band

116(463) 163-168, Feb 20, 2017
Experiment on Dual-Wavelength Method toward Spatial Mode De-Multiplexing with Volume Hologram in Optical Communication Wavelength Band

41(5) 163-168, Feb, 2017
Experiment on Virtual Shift Method for Alignment Error Reduction of Holographic Diversity Interferometry

41(5) 153-156, Feb, 2017
Characterization of multiplexing technique using virtual phase conjugation for high density holographic memory

41(5) 147-152, Feb, 2017
Basic Operation Simulation of Novel 3D Display Based on High-speed Analysis Method for Volume Hologram

115(458) 309-313, Feb 22, 2016
Virtual interferogram-generation algorithm for high-accurate phase measurement using only two holograms

40(6) 303-307, Feb, 2016
C-3-34 Complex-amplitude Control Using Lens-less Type Spatial Cross Modulation Method

Kan Yuta, Okamoto Atsushi, Shibukawa Atsushi, Funakoshi Hisatoshi, Sakuma Hiroki, Tomita Akihisa

Proceedings of the Society Conference of IEICE, 2015(1) 108-108, Aug 25, 2015
B-10-33 Reduction of Modal Crosstalk using Random Diffuser for Spatial Mode Conversion with Spatial Light Modulator

Ishii Koki, Okamoto Atsushi, Tsuritani Takehiro, Wakayama Yuta, Goto Yuta, Tomita Akihisa

Proceedings of the Society Conference of IEICE, 2015(2) 197-197, Aug 25, 2015

Books and Other Publications

ホログラム最新技術～感光材料の開発から実製品への応用まで～

情報機構, 2007
ホログラフィックメモリーのシステムと材料

シーエムシー出版, 2006
Systems, Devices and Materials for the Holographic Data Storage

2006

Presentations

Progressive Hologram Recording and Reconstruction Using Complex Amplitude Generation and Detection Technologies

Atsushi Okamoto, Atsushi Shibukawa, Akihisa Tomita, Masanori Takabayashi

International Symposium on Optical Memory 2013, Aug, 2013 Invited
Spatial mode excitation and separation using spatial phase control technology

A. Okamoto, A. Tomita, K. Kawabata, Y. Wakayama

CLEO-PR & OECC/PS 2013, Jul, 2013 Invited
Recording and Reconstruction of 38-Level Spatial Quadrature-Amplitude Modulation Signal in Double-Referential Holographic Memory

ZUKERAN Keisuke, OKAMOTO Atsushi, TAKABAYASHI Masanori, SHIBUKAWA Atsushi, TOMITA Akihisa

ITE Technical Report, Feb 15, 2013 Invited
岡本淳, “光複素振幅の制御技術とモードの励振・分離に関する研究

岡本淳

フォトニックICT研究会, Aug, 2012 Invited
空間位相制御技術を用いたモードの励振・分離に関する研究

岡本淳

OCS研究会, 第3回ディジタル信号処理による新しい光伝送技術～100G and Beyond～, Jul, 2012 Invited
位相変調技術を用いた自己参照型ホログラフィックメモリ

岡本淳

フォトニクスポリマー研究会, Jun, 2012 Invited
モード分割通信用の空間モード励振・分離技術

岡本淳

第59回応用物理学関係連合講演会, Mar, 2012 Invited
Holographic Memory System with Spatial Quadrature Amplitude Modulation

OKAMOTO Atsushi

Optics and Photonics Japan 2011, Nov, 2011 Invited
BCI-1-7 Spatial mode excitation and separation for mode division multiplexing technology

Okamoto Atsushi, Soma Daiki, Oda Takuya, Tomita Akihisa, Wakayama Yuta

Proceedings of the Society Conference of IEICE, Aug 30, 2011 Invited
B-10-98 Ultra-broad tuning range of reconfigurable optical add-drop multiplexer using dynamic holographic diffraction grating

Wakayama Yuta, Okamoto Atsushi, Tomita Akihisa

Proceedings of the IEICE General Conference, Feb 28, 2011
Dynamic Hologram for Mode-Division Multiplexing Communication Technology

OKAMOTO Atsushi

31th Annual Meeting of The Laser Society of Japan, Jan, 2011 Invited
B-10-52 Experiment on All-optical Demultiplexer for Mode Division Multiplex Communication Technique

Oda Takuya, Okamoto Atsushi, Morita Kazuyuki

Proceedings of the IEICE General Conference, Mar 2, 2010
BI-8-2 High Performance Intersatellite Communication based on Double Phase Conjugation Technology

Okamoto Atsushi, Fujita Tomohiro, Wakayama Yuta, Takayama Yoshihisa

Proceedings of the IEICE General Conference, Mar 2, 2010
Autonomic Waveguide Formation with Sn2P2S6 Crystal and Multi-layered Reconfigurable Optical Wiring

KOJIMA YASUNORI, OKAMOTO ATSUSHI, GRABAR ALEXANDER A, SATO KUNIHIRO, TAKABAYASHI MASANORI

電気・情報関係学会北海道支部連合大会講演論文集(CD-ROM), Oct 17, 2009

Professional Memberships

Research Projects

光複素振幅制御技術を用いたモード拡散多重光ファイバ通信に関する研究

科学研究費補助金, 2013

岡本淳
光ファイバMIMO通信技術創出に向けての多重空間モード分離・結合デバイスの研究

科学研究費補助金, 2009 - 2011

岡本淳
光集積回路・導波路チップ間のリコンフュギュラブルな自動配線技術

平成20年度SCAT研究助成(研究費助成), テレコム先端技術研究支援センター, 2008 - 2010

岡本淳
ダイナミック・リコンフィギュラブルな光素子の創出

[e11] 第39回三菱財団研究助成自然科学研究助成, 三菱財団, 2008 - 2009

岡本淳
しきい値秘密分散機能を有する全光学的な暗号・認証技術に関する研究

科学研究費補助金, 2008 - 2009

岡本淳

Industrial Property Rights

特許4997428 ホログラム記録・消去装置およびホログラム記録・消去方法

文仙正俊, 古田洋介, 岡本淳
光波長フィルタ装置
ホログラム複製装置およびホログラム複製方法
記録再生装置、記録再生方法、再生装置及び再生方法
記録再生装置、記録再生方法、再生装置及び再生方法
特許4815595 多重ホログラム転写装置および多重ホログラム転写方法

伊藤輝将, 岡本淳
ファニング光結合構造およびそのファニング光結合構造を用いた光増幅器
双方向光配線形成方法
特許4876222 画像記録方法

岡本淳, 森竹潔
特許4765067 ホログラムメモリ装置およびこの装置に適用されるホログラムリフレッシュ方法

岡本淳, 伊藤輝将
特許4670047 光中継装置および光中継方法

岡本淳, 村中秀史
特開2005-189844 光インターコネクション装置および光インターコネクション方法

岡本淳, 本藤聡一郎, 高木清史
位相共役光発生装置
ホログラム処理装置およびホログラム処理方法
ホログラム記録装置およびホログラム記録方法
特許4533770 光インターコネクション装置および光インターコネクション方法

岡本淳, 植村俊介, 高木清史
ホログラムメモリ装置およびホログラム記録方法
ホログラムメモリ装置及びホログラムの消去方法
ホログラム多重記録装置およびホログラム多重記録方法ならびにホログラム再生方法
特許3811777 光スイッチ装置および光伝搬経路接続切り替え装置

高山佳久, 岡本淳, 本間聡

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