Tanizawa Ken 谷澤健

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TANIZAWA Ken 谷澤健

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Researcher Number	10709489
Other IDs
Affiliation (Current)	2025: 玉川大学, 量子情報科学研究所, 教授
Affiliation (based on the past Project Information) *help	2025: 玉川大学, 量子情報科学研究所, 教授 2022 – 2023: 玉川大学, 量子情報科学研究所, 教授 2018 – 2021: 玉川大学, 量子情報科学研究所, 准教授
Review Section/Research Field	Principal Investigator Basic Section 21020:Communication and network engineering-related / Basic Section 21060:Electron device and electronic equipment-related Except Principal Investigator Basic Section 21020:Communication and network engineering-related
Keywords	Principal Investigator 物理レイヤ暗号化 / 光ファイバ通信 / ホモダイン検波 / ミリ波 / 無線通信 / 位相変調 / 暗号 / 光多値変調 / 変調方式 / 物理暗号 … More Except Principal Investigator … More 超多値変調 / 光無線 / 物理暗号 / 光無線通信 / セキュア通信 Less

Truly record-proof physical layer encryption based on quantum uncertainty principle for optical communicationsPrincipal Investigator
- Principal Investigator
  
  谷澤健
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21020:Communication and network engineering-related
- Research Institution
  Tamagawa University
Quantum-noise randomized secure optical fiber and microwave wireless communicationsPrincipal Investigator
- Principal Investigator
  
  TANIZAWA Ken
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21020:Communication and network engineering-related
- Research Institution
  Tamagawa University
Secure free-space optical communication using physical cipher signals with ultra-high order modulation
- Principal Investigator
  
  FUTAMI Fumio
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21020:Communication and network engineering-related
- Research Institution
  Tamagawa University
Extremely high-order optical phase modulation with multi-stage modulators for physical layer encryption of high-speed optical communicationsPrincipal Investigator
- Principal Investigator
  
  TANIZAWA Ken
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  Tamagawa University

All 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation Patent

[Journal Article] Photonic-Assisted Secure Millimeter Wave Communication with Quantum Noise Randomized Stream Cipher2024
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  IEEE/Optica Journal of Lightwave Technology
  
  Volume: 42 Issue: 21 Pages: 7745-7751
- DOI
  10.1109/jlt.2024.3387431
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H01329
[Journal Article] Photonic-Assisted Microwave Quantum-Noise Randomized Cipher Generation for Signal Security of Wireless Communications2023
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  Proceedings SPIE, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XII
  
  Volume: 12429 Pages: 56-56
- DOI
  10.1117/12.2648630
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01329
[Journal Article] Tradeoff between Reach and Security in Nyquist WDM Transmission of PSK Y-00 Quantum Stream Cipher2023
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 35 Issue: 21 Pages: 1147-1150
- DOI
  10.1109/lpt.2023.3306357
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01329
[Journal Article] IF-over-Fiber Transmission of OFDM Quantum-Noise Randomized PSK Cipher for Physical Layer Encryption of Wireless Signals2022
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  IEEE/OSA Journal of Lightwave Technology
  
  Volume: 40 Issue: 6 Pages: 1698-1704
- DOI
  10.1109/jlt.2021.3119603
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H01329
[Journal Article] Experimental demonstration of 4,294,967,296-QAM based Y-00 quantum stream cipher template carrying 160-Gb/s 16-QAM signals2021
- Author(s)
  Xi Chen, Ken Tanizawa, Peter Winzer, Po Dong, Junho Cho, Fumio Futami, Kentaro Kato, Argishti Melikyan, and KW Kim
- Journal Title
  
  Optics Express
  
  Volume: 29 Issue: 4 Pages: 5658-5664
- DOI
  10.1364/oe.405390
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Journal Article] Ultra-long-haul digital coherent PSK Y-00 quantum stream cipher transmission system2021
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  Optics Express
  
  Volume: 29 Issue: 7 Pages: 10451-10464
- DOI
  10.1364/oe.418302
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K04290
[Journal Article] Quantum Noise-Assisted Coherent Radio-over-Fiber Cipher System for Secure Optical Fronthaul and Microwave Wireless Links2020
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  IEEE/OSA Journal of Lightwave Technology
  
  Volume: 38 Issue: 16 Pages: 4244-4249
- DOI
  10.1109/jlt.2020.2987213
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K04290
[Journal Article] Y-00 Quantum-Noise Randomized Stream Cipher using Intensity Modulation Signals for Physical Layer Security of Optical Communications2020
- Author(s)
  Futami Fumio, Tanizawa Ken, and Kato Kentaro
- Journal Title
  
  IEEE Journal of Lightwave Technology
  
  Volume: 38 Issue: 10 Pages: 2774-2781
- DOI
  10.1109/jlt.2020.2985709
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K04397
[Journal Article] Digital coherent PSK Y-00 quantum stream cipher with 2^17 randomized phase levels2019
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  Optics Express
  
  Volume: 27 Issue: 2 Pages: 1071-1079
- DOI
  10.1364/oe.27.001071
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K04290
[Journal Article] Digital-coherent PSK Y-00 quantum stream cipher for secure fiber-optic transmission2019
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  Proceedings SPIE 10946, Metro and Data Center Optical Networks and Short-Reach Links II
  
  Volume: 10946 Pages: 10-10
- DOI
  10.1117/12.2506835
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04290
[Journal Article] Single channel 48-Gbit/s DP-PSK Y-00 quantum stream cipher transmission over 400- and 800-km SSMF2019
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  Optics Express
  
  Volume: 27 Issue: 18 Pages: 25357-25363
- DOI
  10.1364/oe.27.025357
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K04290
[Journal Article] 2^14 Intensity-Level 10-Gbaud Y-00 Quantum Stream Cipher Enabled by Coarse-to-Fine Modulation2018
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Journal Title
  
  IEEE Photonics Technology Letters
  
  Volume: 30 Issue: 22 Pages: 1987-1990
- DOI
  10.1109/lpt.2018.2874236
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04290
[Patent] 信号処理装置2019
- Inventor(s)
  谷澤健, 二見史生
- Industrial Property Rights Holder
  谷澤健, 二見史生
- Industrial Property Rights Type
  特許
- Filing Date
  2019
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Photonic-Assisted Microwave Quantum-Noise Randomized Cipher Generation for Signal Security of Wireless Communications2023
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  SPIE Photonics West
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] 直接変調レーザを用いた光IF伝送による電波帯OFDM量子雑音マスキング暗号の発生2023
- Author(s)
  谷澤健
- Organizer
  電子情報通信学会 2023年ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] Secure optical communications and random number generation utilizing quantum property of coherent light2023
- Author(s)
  Ken Tanizawa
- Organizer
  Optics & Photonics Japan 2023
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] Nonlinear Tolerant Conjugated RoF System Secured by Physical Layer Encryption with Deliberate Signal Randomization2023
- Author(s)
  Tatsuki Ishijima, Shuhei Otsuka, Shun Harada, Takahide Sakamoto, Ken Tanizawa, and Fumio Futami
- Organizer
  Optical Fiber Communication Conference and Exhibition (OFC 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] Analog IM/DD IFoF Transmission of OFDM Quantum-Noise Randomized QAM Cipher for Wireless Signal Encryption2022
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  27th Opto-Electronics and Communications Conference (OECC 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] Microwave OFDM Quantum-Noise Randomized QAM Cipher Generation via Analog IFoF Transmission with a DML2022
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  48th European Conference on Optical Communications (ECOC 2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] アナログ光強度変調・直接検波による電波帯でのOFDM量子雑音マスキングPSK暗号の発生2022
- Author(s)
  谷澤健, 二見史生
- Organizer
  電子情報通信学会 2022年総合大会
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] Key Update using Y-00 Quantum Noise Stream Cipher with 20-bit Intensity Levels in a 1,000-km Optical Fiber Link2021
- Author(s)
  Fumio Futami, and Ken Tanizawa
- Organizer
  Conference on Lasers and Electro‐Optics (CLEO 2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K04397
[Presentation] Photonic-Assisted Microwave OFDM Quantum-Noise Randomized Cipher Generation via IM/DD IFoF Transmission2021
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  Optical Fiber Communication Conference and Exhibition (OFC 2021)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01329
[Presentation] Y-00光通信量子暗号をもちいた高セキュリティ光データ通信2021
- Author(s)
  二見史生, 谷澤健
- Organizer
  レーザー学会学術講演会第42回年次大会
- Invited
- Data Source
  KAKENHI-PROJECT-19K04397
[Presentation] 光ヘテロダイン検波を用いたミリ波無線信号の量子雑音マスキングによる秘匿化の提案・実証2021
- Author(s)
  谷澤健, 二見史生
- Organizer
  電子情報通信学会 2021年総合大会
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Y-00光通信量子暗号によるセキュア光データ通信2021
- Author(s)
  二見史生, 谷澤健
- Organizer
  電子情報通信学会 2021年ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-19K04397
[Presentation] デジタルコヒーレント位相変調Y-00光通信量子暗号を用いたセキュア光ファイバ伝送2020
- Author(s)
  谷澤健, 二見史生
- Organizer
  電子情報通信学会光ファイバ応用技術研究会
- Invited
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] 48-Gbit/s PSK Y-00光通信量子暗号の800-km光ファイバ伝送2020
- Author(s)
  谷澤健, 二見史生
- Organizer
  電子情報通信学会 2020年総合大会
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Security-Enhanced 10,118-km Single-Channel 40-Gbit/s Transmission Using PSK Y-00 Quantum Stream Cipher2020
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  46th European Conference on Optical Communications (ECOC 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] 位相変調Y-00光通信量子暗号におけるWDM信号の一括暗号化実験2020
- Author(s)
  谷澤健, 二見史生
- Organizer
  電子情報通信学会光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Multi-Channel Simultaneous Encryption in WDM Systems of PSK Y-00 Quantum Stream Cipher2020
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  25th Opto-Electronics and Communications Conference (OECC 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] 強度変調型Y-00光通信量子暗号を用いたセキュア空間光通信2020
- Author(s)
  二見史生, 谷澤健, ベッカリアブデルモウラ, 藤田日出生
- Organizer
  電子情報通信学会 2020年ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-19K04397
[Presentation] Secure Free-Space Optical Transmission of Y-00 Quantum Stream Cipher with 4096-Level Intensity Modulated Signals2020
- Author(s)
  Fumio Futami, Ken Tanizawa, Abdelmoula Bekkali, and Hideo Fujita
- Organizer
  14th Pacific Rim Conference on Lasers and Electro-Optics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K04397
[Presentation] 48-Gbit/s Dual-Polarization PSK Y-00 Quantum Stream Cipher Based on QPSK Data Modulation2019
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  24th Opto-Electronics and Communications Conference (OECC 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Digital Coherent 20-Gbit/s DP-PSK Y-00 Quantum Stream Cipher Transmission over 800-km SSMF2019
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  Optical Fiber Communication Conference and Exhibition (OFC 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Y-00 quantum stream cipher for physical layer security of optical communications2019
- Author(s)
  Fumio Futami, Ken Tanizawa, and Kentaro Kato
- Organizer
  45th European Conference on Optical Communications (ECOC 2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K04397
[Presentation] Digital coherent PSK Y-00 quantum stream cipher for secure and high-capacity optical transmission systems2019
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  Asia Communications and Photonics Conference 2019 (ACP2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] 波多重PSK Y-00光通信量子暗号のデジタルコヒーレント受信2019
- Author(s)
  谷澤健, 二見史生
- Organizer
  電子情報通信学会 2019年総合大会
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Digital-coherent PSK Y-00 quantum stream cipher for secure fiber-optic transmission2019
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  SPIE Photonics West
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Y-00 Quantum Stream Cipher for Physical Layer Security of Optical Communications2019
- Author(s)
  Fumio Futami, Ken Tanizawa, and Kentaro Kato
- Organizer
  45th European Conference on Optical Communications (ECOC 2019)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] PSK Y-00 Quantum Stream Cipher with 2^17 Levels Enabled by Coarse-to-Fine Modulation Using Cascaded Phase Modulators2018
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  44th European Conference on Optical Communications (ECOC 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290
[Presentation] Digital Coherent Detection with Decryption in PSK Y-00 Quantum Stream Cipher2018
- Author(s)
  Ken Tanizawa, and Fumio Futami
- Organizer
  23rd Opto-Electronics and Communications Conference (OECC 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04290

1. FUTAMI Fumio (20417695)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results

Tanizawa Ken 谷澤 健

TANIZAWA Ken 谷澤 健

Research Projects

Research Products

Co-Researchers

Truly record-proof physical layer encryption based on quantum uncertainty principle for optical communicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Quantum-noise randomized secure optical fiber and microwave wireless communicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Secure free-space optical communication using physical cipher signals with ultra-high order modulation

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Extremely high-order optical phase modulation with multi-stage modulators for physical layer encryption of high-speed optical communicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Photonic-Assisted Secure Millimeter Wave Communication with Quantum Noise Randomized Stream Cipher2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Photonic-Assisted Microwave Quantum-Noise Randomized Cipher Generation for Signal Security of Wireless Communications2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Tradeoff between Reach and Security in Nyquist WDM Transmission of PSK Y-00 Quantum Stream Cipher2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] IF-over-Fiber Transmission of OFDM Quantum-Noise Randomized PSK Cipher for Physical Layer Encryption of Wireless Signals2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Experimental demonstration of 4,294,967,296-QAM based Y-00 quantum stream cipher template carrying 160-Gb/s 16-QAM signals2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Ultra-long-haul digital coherent PSK Y-00 quantum stream cipher transmission system2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Quantum Noise-Assisted Coherent Radio-over-Fiber Cipher System for Secure Optical Fronthaul and Microwave Wireless Links2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Y-00 Quantum-Noise Randomized Stream Cipher using Intensity Modulation Signals for Physical Layer Security of Optical Communications2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Digital coherent PSK Y-00 quantum stream cipher with 2^17 randomized phase levels2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Digital-coherent PSK Y-00 quantum stream cipher for secure fiber-optic transmission2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Single channel 48-Gbit/s DP-PSK Y-00 quantum stream cipher transmission over 400- and 800-km SSMF2019

Tanizawa Ken 谷澤健

TANIZAWA Ken 谷澤健