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Research achievements (PUBLICATIONS) |
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- Tradeoff between Reach and Security in Nyquist WDM Transmission of PSK Y-00 Quantum Stream Cipher IEEE Photonics Technology Letters Ken Tanizawa, and Fumio Futami 2023-11
- Quantum-enhanced secure-link architecture with quantum stream cipher Y-00 and post-quantum cryptography: basic structure and experiment Proc. SPIE 12692, Quantum Communications and Quantum Imaging XXI Kentaro Kato, Fumio Futami, and Ken Tanizawa 2023-10
- Secure Free-Space Optical Transmission of IM and PSK Y-00 Quantum Stream Cipher under Dense Fog Conditions 49th European Conference on Optical Communications (ECOC 2023) Fumio Futami, and Ken Tanizawa 2023-10
- Demonstration of a low-depth universal linear optical circuit Conference on Lasers and Electro‐Optics Europe (CLEO/Europe 2023) Tomofumi Odagawa, Kazuki Sakaino, Shogo Kimura, Takuya Inagaki, Hanzhi Tang, Ken Tanizawa, Kazuhiro Ikeda, Makoto Okano, Mitsuru Takenaka, Hirohito Yamada, Nobuyuki Matsuda 2023-06
- Secure Unrepeated Fiber Transmission with Quantum Deliberate Signal Randomization on Y-00 Protocol Optical Fiber Communication Conference and Exhibition (OFC 2023) Fumio Futami, Ken Tanizawa, Kentaro Kato 2023-03
- Nonlinear Tolerant Conjugated RoF System Secured by Physical Layer Encryption with Deliberate Signal Randomization Optical Fiber Communication Conference and Exhibition (OFC 2023) Tatsuki Ishijima, Shuhei Otsuka, Shun Harada, Takahide Sakamoto, Ken Tanizawa, and Fumio Futami 2023-03
- Spatially Multiplexed Quantum Entropy Source with Single LD for 100-Gbps Random Numbers and Beyond IEEE Photonics Technology Letters Ken Tanizawa, Kentaro Kato, and Fumio Futami 2023-03
- Real-time 50-Gbit/s Spatially Multiplexed Quantum Random Number Generator Based on Vacuum Fluctuation Optical Fiber Communication Conference and Exhibition (OFC 2023) Ken Tanizawa, Kentaro Kato, and Fumio Futami 2023-03
- Field-installed Fiber Transmission of Y-00 Quantum Stream Cipher with Quantum Deliberate Signal Randomization Proc. SPIE 12429, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XII Fumio Futami, Ken Tanizawa, and Kentaro Kato 2023-02
- Photonic-Assisted Microwave Quantum-Noise Randomized Cipher Generation for Signal Security of Wireless Communications Proc. SPIE 12429, Next-Generation Optical Communication: Components, Sub-Systems, and Systems XII Ken Tanizawa, and Fumio Futami 2023-02
- Microwave OFDM Quantum-Noise Randomized QAM Cipher Generation via Analog IFoF Transmission with a DML 48th European Conference on Optical Communications (ECOC 2022) Ken Tanizawa, and Fumio Futami 2022-09
- Analog IM/DD IFoF Transmission of OFDM Quantum-Noise Randomized QAM Cipher for Wireless Signal Encryption 27th Opto-Electronics and Communications Conference (OECC/PSC 2022) Ken Tanizawa, and Fumio Futami 2022-07
- Four-Channel Parallel Broadband Quantum Entropy Source for True Random Number Generation at 100 Gbps Conference on Lasers and Electro‐Optics (CLEO 2022) Ken Tanizawa, Kentaro Kato, and Fumio Futami 2022-05
- Experimental Demonstration of Quantum Deliberate Signal Randomization for Y-00 Quantum Noise Randomized Stream Cipher Conference on Lasers and Electro‐Optics (CLEO 2022) Fumio Futami, Ken Tanizawa, and Kentaro Kato 2022-05
- IF-over-Fiber Transmission of OFDM Quantum-Noise Randomized PSK Cipher for Physical Layer Encryption of Wireless Signals IEEE/OSA Journal of Lightwave Technology Ken Tanizawa, and Fumio Futami 2022-03
- Photonic-Assisted Microwave OFDM Quantum-Noise Randomized Cipher Generation via IM/DD IFoF Transmission Optical Fiber Communication Conference and Exhibition (OFC 2021) Ken Tanizawa, and Fumio Futami 2021-06
- Key Update using Y-00 Quantum Noise Stream Cipher with 20-bit Intensity Levels in a 1,000-km Optical Fiber Link Conference on Lasers and Electro‐Optics (CLEO 2021) Fumio Futami, and Ken Tanizawa 2021-05
- Ultra-long-haul digital coherent PSK Y-00 quantum stream cipher transmission system Optics Express Ken Tanizawa, and Fumio Futami 2021-03
- Experimental demonstration of 4,294,967,296-QAM based Y-00 quantum stream cipher template carrying 160-Gb/s 16-QAM signals Optics Express Xi Chen, Ken Tanizawa, Peter Winzer, Po Dong, Junho Cho, Fumio Futami, Kentaro Kato, Argishti Melikyan, and KW Kim 2021-02
- Security-Enhanced 10,118-km Single-Channel 40-Gbit/s Transmission Using PSK Y-00 Quantum Stream Cipher 46th European Conference on Optical Communications (ECOC 2020) Ken Tanizawa, and Fumio Futami 2020-12
- Multi-Channel Simultaneous Encryption in WDM Systems of PSK Y-00 Quantum Stream Cipher the 25th Opto-Electronics and Communications Conference (OECC 2020) Ken Tanizawa, and Fumio Futami 2020-10
- Quantum Noise-Assisted Coherent Radio-over-Fiber Cipher System for Secure Optical Fronthaul and Microwave Wireless Links IEEE/OSA Journal of Lightwave Technology Ken Tanizawa, and Fumio Futami 2020-08
- Secure Free-Space Optical Transmission of Y-00 Quantum Stream Cipher with 4096-Level Intensity Modulated Signals 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2020) Fumio Futami, Ken Tanizawa, Abdelmoula Bekkali, and Hideo Fujita 2020-08
- Y-00 Quantum-Noise Randomized Stream Cipher Using Intensity Modulation Signals for Physical Layer Security of Optical Communications IEEE/OSA Journal of Lightwave Technology Fumio Futami, Ken Tanizawa, and Kentaro Kato 2020-05
- Photonic Generation of Quantum Noise Assisted Cipher at Microwave Frequencies for Secure Wireless Links Optical Fiber Communication Conference and Exhibition (OFC 2020) Ken Tanizawa, and Fumio Futami 2020-03
- Arbitrary TE0/TE1/TE2/TE3 Mode Converter Using 1×4 Y-Junction and 4×4 MMI Coupler IEEE Journal of Selected Topics in Quantum Electronics Ho Duc Tam Linh, Truong Cao Dung, Ken Tanizawa, Dao Duy Thang, and Nguyen Tan Hung 2020-03
- Digital coherent PSK Y-00 quantum stream cipher for secure and high-capacity optical transmission systems Asia Communications and Photonics Conference 2019 (ACP2019) Ken Tanizawa, and Fumio Futami 2019-11
- Optical Time-Slot Switching with 5-us Guard Time Using 32×32 Si TO PILOSS Switch 45th European Conference on Optical Communications (ECOC 2019) Ken Tanizawa, Hiroyuki Matsuura, Ryotaro Konoike, Keijiro Suzuki, Hitoshi Kawashima, and Kazuhiro Ikeda 2019-09
- Y-00 Quantum Stream Cipher for Physical Layer Security of Optical Communications 45th European Conference on Optical Communications (ECOC 2019) Fumio Futami, Ken Tanizawa, and Kentaro Kato 2019-09
- Single channel 48-Gbit/s DP-PSK Y-00 quantum stream cipher transmission over 400- and 800-km SSMF Optics Express Ken Tanizawa, and Fumio Futami 2019-09
- 48-Gbit/s Dual-Polarization PSK Y-00 Quantum Stream Cipher Based on QPSK Data Modulation the 24th Opto-Electronics and Communications Conference (OECC 2019) Ken Tanizawa, and Fumio Futami 2019-07
- 1,000-km Transmission of 1.5-Gb/s Y-00 Quantum Stream Cipher using 4096-level Intensity Modulation Signal Conference on Lasers and Electro‐Optics (CLEO 2019) Fumio Futami, and Ken Tanizawa, Kentaro Kato, and Osamu Hirota 2019-05
- Digital Coherent 20-Gbit/s DP-PSK Y-00 Quantum Stream Cipher Transmission over 800-km SSMF Optical Fiber Communication Conference and Exhibition (OFC 2019) Ken Tanizawa, and Fumio Futami 2019-03
- Digital-coherent PSK Y-00 quantum stream cipher for secure fiber-optic transmission Proc. SPIE Metro and Data Center Optical Networks and Short-Reach Links Ken Tanizawa, and Fumio Futami 2019-02
- Digital coherent PSK Y-00 quantum stream cipher with 2^17 randomized phase levels Optics Express Ken Tanizawa, and Fumio Futami 2019-01
- 2^14 Intensity-Level 10-Gbaud Y-00 Quantum Stream Cipher Enabled by Coarse-to-Fine Modulation IEEE Photonics Technology Letters Ken Tanizawa, and Fumio Futami 2018-11
- PSK Y-00 Quantum Stream Cipher with 2^17 Levels Enabled by Coarse-to-Fine Modulation Using Cascaded Phase Modulators 44th European Conference on Optical Communications (ECOC 2018), Ken Tanizawa, and Fumio Futami 2018-09
- Experimental investigation of security parameters of Y-00 quantum stream cipher transceiver with randomization technique, Part II Proc. SPIE 10771, Quantum Communications and Quantum Imaging XVI Fumio Futami, Ken Tanizawa, Kentaro Kato, and Osamu Hirota 2018-08
- Digital Coherent Detection with Decryption in PSK Y-00 Quantum Stream Cipher the 23rd Opto-Electronics and Communications Conference (OECC 2018) Ken Tanizawa, and Fumio Futami 2018-07
- 1,024x1,024 Optical Circuit Switch Using Wavelength-Tunable and Bandwidth-Variable Silicon Photonic Filter 2018 Photonic Networks and Devices (NETWORKS) in OSA Advanced Photonics Congress (APC) Mungun-Erdene Ganbold, Hiroki Nagai, Yojiro Mori, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Ken-ichi Sato 2018-07
- Silicon Photonics based 1×2 Wavelength Selective Switch Using Fold-Back Arrayed-Waveguide Gratings IEICE Electronics Express Fumi Nakamura, Kyosuke Muramatsu, Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Hiroyuki Tsuda 2018-07
- A Large-Scale Optical Circuit Switch Using Fast Wavelength-Tunable and Bandwidth-Variable Filters IEEE Photonics Technology Letters Mungun-Erdene Ganbold, Hiroki Nagai, Yojiro Mori, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Ken-ichi Sato 2018-07
- 2^14 (= 16384) Level Intensity Modulation at 10 Gbaud for Y-00 Quantum Stream Cipher Conference on Lasers and Electro‐Optics (CLEO 2018) Ken Tanizawa, and Fumio Futami 2018-05
- Integrated silicon photonic wavelength-selective switch using wavefront control waveguides Optics Express Fumi Nakamura, Kyosuke Muramatsu, Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Hiroyuki Tsuda 2018-05
- Reconfigurable all-optical on-chip MIMO three-mode demultiplexing based on multi-plane light conversion Optics Letters Rui Tang, Takuo Tanemura, Samir Ghosh, Keijiro Suzuki, Ken Tanizawa, Kazuhiro Ikeda, Hitoshi Kawashima, and Yoshiaki Nakano 2018-04
- Dynamic Routing of Y-00 Quantum Stream Cipher in Field-Deployed Dynamic Optical Path Network Optical Fiber Communication Conference and Exhibition (OFC 2018) Fumio Futami, Takayuki Kurosu, Ken Tanizawa, Kentaro Kato, Satoshi Suda, and Shu Namiki 2018-03
- Silicon Photonic Multiport Optical Switch and Its Control Electronics 2018 IEEE 2nd Electron Devices Technology and Manufacturing Conference (EDTM2018) Hitoshi Kawashima, Ken Tanizawa, Keijiro Suzuki, Hiroyuki Matsuura, Satoshi Suda, Cong Guangwei, Ryotaro Konoike, Shu Namiki, and Kazuhiro Ikeda 2018-03
- In-line Optical Amplification for Silicon Photonics Platform by Flip-Chip Bonded InP-SOAs Optical Fiber Communication Conference and Exhibition (OFC2018) Takeshi Matsumoto, Teruo Kurahashi, Ryotaro Konoike, Ken Tanizawa, Keijiro Suzuki, Ayahito Uetake, Kazumasa Takabayashi, Kazuhiro Ikeda, Hitoshi Kawashima, Suguru Akiyama, and Shigehiro Sekiguchi 2018-03
- Reconfigurable 3-Channel All-Optical MIMO Circuit on Silicon Based on Multi-Plane Light Conversion Optical Fiber Communication Conference and Exhibition (OFC2018) Rui Tang, Takuo Tanemura, Samir Ghosh, Keijiro Suzuki, Ken Tanizawa, Kazuhiro Ikeda, Hitoshi Kawashima, and Yoshiaki Nakano 2018-03
- Next-Generation ROADM Employing Bandwidth-Adaptive Silicon-Photonic Filters for Flexible Drop Operation Optical Fiber Communication Conference and Exhibition (OFC2018) Yojiro Mori, Koh Ueda, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Ken-ichi Sato 2018-03
- Digital feedforward carrier phase estimation for PSK Y-00 quantum-noise randomized stream cipher IEICE Communications Express Ken Tanizawa, Fumio Futami, and Osamu Hirota 2018-01
- Hybrid-Integration of SOA on Silicon Photonics Platform Based on Flip-Chip Bonding IEEE/OSA Journal of Lightwave Technology Takeshi Matsumoto, Teruo Kurahashi, Ryotaro Konoike, Keijiro Suzuki, Ken Tanizawa, Ayahito Uetake, Kazumasa Takabayashi, Kazuhiro Ikeda, Hitoshi Kawashima, Suguru Akiyama, and Shigehiro Sekiguchi 2018
- Y-00 quantum stream cipher overlay in a coherent 256-Gbit/s polarization multiplexed 16-QAM WDM system Optics Express Fumio Futami, Kyle Guan, Jugen Gripp, Kentaro Kato, Ken Tanizawa, Chandrasekhar Sethumadhavan, and Peter J. Winzer 2017-12
- A 300-mm-wafer silicon photonics technology for ultra-low energy optical network systems The Asia Communications and Photonics Conference 2017 (ACP 2017) Koji Yamada, Tsuyoshi Horikawa, Makoto Okano, Guangwei Cong, Yuriko Maegami, Morifumi Ohno, Noritsugu Yamamoto, Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Keiji Koshino, Nobuyuki Yokoyama, Minoru Ohtsuka, Miyoshi Seki, Kazuyuki Matsumaro, Kazuhiro Toshihiro Narushima, Ikeda, Hitoshi Kawashima, Shu Namiki and Masahiko Mori 2017-11
- 2.5-dB loss, 100-nm Operating Bandwidth, and Low Power Consumption Strictly-Non-Blocking 8 × 8 Si Switch 43rd European Conference on Optical Fiber Communications (ECOC 2017) Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2017-09
- Silicon Photonics C-Band Tunable Filter for Large-Scale Optical Circuit Switches OptoElectronics and Communication Conference (OECC2017) Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Yojiro Mori, Ken-Ichi Sato, Shu Namiki, and Hitoshi Kawashima 2017-08
- Silicon Photonic Bandwidth-Variable Filter Based on 16-Tap Finite Impulse Response OptoElectronics and Communication Conference (OECC2017) Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2017-08
- Ultralow Crosstalk and Broadband Multi-Port Optical Switch using SiN/Si Double-Layer Platform OptoElectronics and Communication Conference (OECC2017) Keijiro Suzuki, Ryotaro Konoike, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2017-08
- Experimental investigation of security parameters of Y-00 quantum stream cipher transceiver with randomization technique Proc. SPIE 10409, Quantum Communications and Quantum Imaging XV Fumio Futami, Ken Tanizawa, Kentaro Kato, and Osamu Hirota 2017-08
- 1×2 Silicon Wavelength Selective Switch Using Fold Back Arrayed-Waveguide Gratings Photonics in Switching (PS 2017) Fumi Nakamura, Hideaki Asakura, Koki Sugiyama, Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Hiroyuki Tsuda, 2017-07
- Fast and Accurate Automatic Calibration of a 32 × 32 Silicon Photonic Strictly-Non-Blocking Switch Photonics in Switching (PS 2017) Satoshi Suda, Hiroyuki Matsuura, Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Hitoshi Kawashima, and Shu Namiki 2017-07
- Non-duplicate polarization-diversity 8 × 8 Si-wire PILOSS switch integrated with polarization splitter-rotators Optics Express Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2017-05
- Polarization diversity circuit based on silica waveguides and photonic crystal waveplates for a 4×4 silicon optical switch, IEICE Electronics Express Koki Sugiyama, Takafumi Chiba, Ken Tanizawa, Keijiro Suzuki, Takayuki Kawashima, Shojiro Kamakami, Kazuhiro Ikeda, Hitoshi Kawashima, Hiroshi Takahashi, and Hiroyuki Tsuda 2017-05
- Broadband silicon photonics 8 × 8 switch based on double-Mach–Zehnder element switches Optics Express Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2017-04
- Accelerating Switching Speed of Thermo-optic MZI Silicon-Photonic Switches with “Turbo Pulse” in PWM Control Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2017) Hiroyuki Matsuura, Satoshi Suda, Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Hitoshi Kawashima, and Shu Namiki 2017-03
- Fully Integrated Non-Duplicate Polarization-Diversity 8 × 8 Si-Wire PILOSS Switch Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2017) Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2017-03
- Silicon-Photonics Polarization-Insensitive Broadband Strictly-Non-Blocking 8 × 8 Blade Switch Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2017) Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2017-03
- Strictly Non-Blocking Silicon Photonics Switches Technical Digest of The Asia Communications and Photonics Conference 2016 (ACP 2016) Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Guangwei Cong, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-11
- Large-Scale Optical Circuit Switch for Intra-Datacenter Networking Using Silicon-Photonic Multicast Switch and Tunable Filter Technical Digest of 42nd European Conference on Optical Fiber Communications (ECOC 2016) Koh Ueda, Yojiro Mori, Hiroshi Hasegawa, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Satoshi Suda, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, Shigeru Nakamura, Shigeyuki Yanagimachi, Akio Tajima, and Ken-ichi Sato 2016-09
- Broadband 8 × 8 Si-Wire PILOSS Switch with Double Mach-Zehnder Switch Elements Technical Digest of 42nd European Conference on Optical Fiber Communications (ECOC 2016) Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-09
- Ultra-compact 32 × 32 strictly-non-blocking Si-wire PILOSS switch Technical Digest of OSA Advanced Photonics Congress (APC2016) Ken Tanizawa, Keijiro Suzuki, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-07
- Silicon Photonic 32 × 32 Strictly-Non-Blocking Blade Switch and Its Full Path Characterization Technical Digest of OptoElectronics and Communication Conference (OECC2016) Ken Tanizawa, Keijiro Suzuki, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-07
- Polarization-Independent C-Band Tunable Filter Based on Cascaded Si-Wire Asymmetric Mach-Zehnder Interferometer Technical Digest of OptoElectronics and Communication Conference (OECC2016) Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Yojiro Mori, Ken-Ichi Sato, Shu Namiki, and Hitoshi Kawashima 2016-07
- Novel polarization diversity without switch duplication of a Si-wire PILOSS optical switch Optics Express Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-04
- In-line optical amplification for Si waveguides on 1x8 splitter and selector by flip-chip bonded InP-SOAs Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2016) Takeshi Matsumoto, Teruo Kurahashi, Ken Tanizawa, Keijiro Suzuki, Ayahito Uetake, Kazumasa Takabayashi, Kazuhiro Ikeda, Hitoshi Kawashima, and Suguru Akiyama 2016-03
- Novel PILOSS Port Assignment for Compact Polarization-Diversity Si-Wire Optical Switch Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2016) Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-03
- Multi-Port Optical Switches Based on Silicon Photonics Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2016) Hitoshi Kawashima, Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Guangwei Cong, Hiroyuki Matsuura, Shu Namiki, and Kazuhiro Ikeda 2016-03
- Polarization-Rotator-Free Polarization-Diversity Optical Switch Based on Si Wire IEEE Photonics Journal Keijiro Suzuki, Ken Tanizawa, Sang-Hun Kim, Satoshi Suda, Guangwei Cong, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-02
- Off-Chip Polarization-Diversity 4×4 Si-Wire Optical Switch with Digital DGD Compensation IEEE Photonics Technology Letters Ken Tanizawa, Keijiro Suzuki, Satoshi Suda, Kiyo Ishii, Junya Kurumida, Guangwei Cong, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2016-02
- Silicon photonics switches for energy-efficient flexible networking Proceeding of Photonics West 2016 Kazuhiro Ikeda, Keijiro Suzuki, Ken Tanizawa, Guangwei Cong, Shu Namiki, and Hitoshi Kawashima 2016-02
- High-power and narrow-linewidth tunable distributed-reflector laser Proceeding of Photonics West 2016 Toshimitsu Kaneko, Hiroyuki Matsuura, Ken Tanizawa, and Katsumi Uesaka 2016-02
- Fast and accurate calibration method for large-port-count Si-wire PILOSS optical switch Technical Digest of The Asia Communications and Photonics Conference 2015 (ACP 2015) Satoshi Suda, Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-11
- Recent Progress and Challenges in Developing Practical All-Optical Wavelength Converter Technical Digest of The Asia Communications and Photonics Conference 2015 (ACP 2015) Takashi Inoue, Hung Nguyen Tan, Ken Tanizawa, Stephane Petit, Kazuya Ota, Shigehiro Takasaka, Takeshi Yagi, and Shu Namiki 2015-11
- Silicon Photonics Based Switching Technology for Telecom, Datacom and Computercom Technical Digest of 2015 IEEE 6th Photonics Conference (IPC 2015) Kazuhiro Ikeda, Keijiro Suzuki, Ken Tanizawa, Guangwei Cong, Shu Namiki, and Hitoshi Kawashima 2015-10
- In-Band OSNR Monitor Based on 3 × 3 Si-wire MMI Coupler Technical Digest of 41st European Conference on Optical Fiber Communications (ECOC 2015) Ken Tanizawa, Keisuke Sorimoto, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-09
- A 200-GHz Spacing, 17-Channel, 1x2 Wavelength Selective Switch using a Silicon Arrayed-Waveguide Grating with Loopback Technical Digest of Photonics in Switching (PS 2015) Hideaki Asakura, Takemasa Yoshida, Hiroyuki Tsuda, Keijiro Suzuki, Ken Tanizawa, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kauzhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-09
- Polarization-Diversity 4 x 4 Si-Wire Optical Switch Technical Digest of Photonics in Switching (PS 2015) Keijiro Suzuki, Ken Tanizawa, Sang-Hun Kim, Satoshi Suda, Guangwei Cong, Kauzhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-09
- Autonomously Controlled All-Optical Signal Conditioning for Dynamic Optical Path Networks Technical Digest of Photonics in Switching (PS 2015) Ken Tanizawa, Hiroyuki Matsuura, Kensuke Ogawa, Toshimitsu Kaneko, Eiichi Banno, Katsumi Uesaka, Shigehiro Takasaka, Hidenori Iwai, Kazuya Ota, Haruhiko Kuwatsuka, Yoichi Oikawa, Takeshi Yagi, Hajime Shoji, and Shu Namiki 2015-09
- Autonomous Parametric Tunable Dispersion Compensation for Dynamic Optical Switching IEEE Photonics Technology Letters Ken Tanizawa, Hiroyuki Matsuura, Kensuke Ogawa, Toshimitsu Kaneko, Eiichi Banno, Katsumi Uesaka, Shigehiro Takasaka, Hidenori Iwai, Kazuya Ota, Haruhiko Kuwatsuka, Yoichi Oikawa, Takeshi Yagi, Hajime Shoji, and Shu Namiki 2015-08
- Ultra-compact 32×32 strictly-non-blocking Si-wire optical switch with fan-out LGA interposer Optics Express Ken Tanizawa, Keijiro Suzuki, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Toshio Sugaya, Satoshi Suda, Guangwei Cong, Toshio Kimura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-06
- What is the True Value of Dynamic Optical Path Switching? Technical Digest of OptoElectronics and Communication Conference (OECC2015) Takayuki Kurosu, Satoshi Suda, Hiroshi Kakibayashi, Karen Solis-Trapala, Junya Kurumida, Kiyo Ishii, Ken Tanizawa, and Shu Namiki 2015-06
- 4x4 Si-Wire Optical Path Switch with Off-Chip Polarization Diversity Technical Digest of OptoElectronics and Communication Conference (OECC2015) Ken Tanizawa, Keijiro Suzuki, Satoshi Suda, Guangwei Cong, Kiyo Ishii, Junya Kurumida, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-06
- Evaluation of the phase error in Si-wire arrayed-waveguide gratings fabricated by ArF-immersion photolithography IEICE Electronics Express Kyosuke Muramastu, Hideaki Asakura, Keijiro, Suzuki, Ken Tanizawa, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, and Hiroyuki Tsuda 2015-04
- Ultra-high-extinction-ratio 2 × 2 silicon optical switch with variable splitter Optics Express Keijiro Suzuki, Guangwei Cong, Ken Tanizawa, Sang-Hun Kim, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-04
- Optical Nyquist Filtering for Elastic OTDM Signals: Fundamentals and Experiments IEEE/OSA Journal of Lightwave Technology Hung Nguyen Tan, Takashi Inoue, Ken Tanizawa, Takayuki Kurosu, and Shu Namiki 2015-03
- Power-efficient Gray-scale Control of Silicon Thermo-optic Phase Shifters by Pulse Width Modulation Using Monolithically Integrated MOSFET Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2015) Guangwei Cong, Takashi Matsukawa, Keijiro Suzuki, Ken Tanizawa, Sang-Hun Kim, Tadashi Chiba, Hirofumi Tadokoro, Masashi Yanagihara, Morifumi Ohno, Haruhiko Kuwatsuka, Yasushi Igarashi, Meishoku Masahara, Hiroshi Ishikawa, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-03
- Dynamic Parametric Dispersion Compensation Using FPGA Pump Controller and Dispersion Monitor Techincal Digest of Optical Fiber Communication Conference and Exhibition (OFC2015) Ken Tanizawa, Hiroyuki Matsuura, Kensuke Ogawa, Toshimitsu Kaneko, Eiichi Banno, Katsumi Uesaka, Shigehiro Takasaka, Hidenori Iwai, Kazuya Ota, Haruhiko Kuwatsuka, Yoichi Oikawa, Takeshi Yagi, Hajime Shoji, and Shu Namiki 2015-03
- 32×32 Strictly Non-Blocking Si-Wire Optical Switch on Ultra-Small Die of 11×25 mm2 Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2015) Ken Tanizawa, Keijiro Suzuki, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Toshio Sugaya, Satoshi Suda, Guangwei Cong, Toshio Kimura, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2015-03
- Multiport optical switches integrated on Si photonics platform IEICE Electronics Express Keijiro Suzuki, Guangwei Cong, Ken Tanizawa, Sang-Hun Kim, Kazuhiro Ikeda, Shu Namiki, and Hitoshi Kawashima 2014-12
- Compact 2x2 polarization-diversity Si-wire switch Optics Express Sang-Hun Kim, Ken Tanizawa, Yuya Shoji, Guangwei Cong, Keijiro Suzuki, Kazuhiro Ikeda, Hiroshi Ishikawa, Shu Namiki, and Hitoshi Kawashima 2014-11
- First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications Technical Digest of 40th European Conference on Optical Fiber Communications (ECOC 2014) Junya Kurumida, Kiyo Ishii, Atsuko Takefusa, Yusuke Tanimura, Shigeyuki Yanagimachi, Hitoshi Takeshita, Akio Tajima, Kiyoshi Fukuchi, Hiroyuki Honma, Wataru Odashima, Hiroshi Onaka, Ken Tanizawa, Keijiro Suzuki, Satoshi Suda, Kazuhiro Ikeda, Hitoshi Kawashima, Hisato Uetsuka, Hiroyuki Matsuura, Haruhiko Kuwatsuka, Kenichi Sato, Tomohiro Kudoh, and Shu Namiki 2014-09
- All-Optical Nyquist Filtering for Elastic OTDM Signals and Their Spectral Defragmentation for Inter-Datacenter Networks Technical Digest of 40th European Conference on Optical Fiber Communications (ECOC 2014) Hung Nguyen Tan, Takashi Inoue, Ken Tanizawa, Takayuki Kurosu, and Shu Namiki 2014-09
- All-Optical Nyquist Filtering for Elastic OTDM Signals and Their Spectral Defragmentation through Parametric Processes Technical Digest of IEEE Photonics Society Summer Topical Meeting on Nonlinear-Optical Signal Processing (NOSP) Hung Nguyen Tan, Takashi Inoue, Ken Tanizawa, Takayuki Kurosu, and Shu Namiki 2014-07
- Ultra-Compact 8 × 8 Strictly Non-Blocking PILOSS Switch Based on Si-Wire Technical Digest of Photonics in Switching (PS 2014) Keijiro Suzuki, Ken Tanizawa, Takashi Matsukawa, Guangwei Cong, Sang-Hun Kim, Satoshi Suda, Morifumi Ohno, Tadashi Chiba, Hirofumi Tadokoro, Masashi Yanagihara, Yasushi Igarashi, Meishoku Masahara, Shu Namiki, and Hitoshi Kawashima 2014-07
- Suppression of Channel-by-Channel Variation in Wavelength Switching Time of TDA-CSG-DR Laser Technical Digest of OptoElectronics and Communication Conference and the Australian Conference on Optical Fibre Technology 2014 (OECC/ACOFT2014) Hiroyuki Matsuura, Toshimitsu Kaneko, Ken Tanizawa, Eiichi Banno, Katsumi Uesaka, Haruhiko Kuwatsuka, Shu Namiki, and Hajime Shoji 2014-07
- Si-Wire based 8 × 8 strictly-Non-Blocking PILOSS Switch Technical Digest of 17th European Conference on Integrated Optics and Technical Exhibition and 19th Microoptics Conference (ECIO-MOC 2014) Keijiro Suzuki, Ken Tanizawa, Takashi Matsukawa, Guangwei Cong, Sang-Hun Kim, Satoshi Suda, Morifumi Ohno, Tadashi Chiba, Hirofumi Tadokoro, Masashi Yanagihara, Yasushi Igarashi, Meishoku Masahara, Shu Namiki, and Hitoshi Kawashima 2014-06
- 50-dB Extinction-Ratio in 2×2 Silicon Optical Switch with Variable Splitter,” The Conference on Lasers and Electro-Optics (CLEO: 2014) Technical Digest of The Conference on Lasers and Electro-Optics (CLEO: 2014) Keijiro Suzuki, Guangwei Cong, Ken Tanizawa, Sang-Hun Kim, Shu Namiki, and Hitoshi Kawashima 2014-06
- Guard-band-less and polarization-insensitive tunable wavelength converter for phase-modulated signals: Demonstration and signal quality analyses IEEE/OSA Journal of Lightwave Technology Takashi Inoue, Ken Tanizawa, and Shu Namiki 2014-03
- Highly Efficient Optical-Time-Division Demultiplexing of 172 Gb/s to 43 Gb/s in a-Si:H Waveguides IEEE Photonics Technology Letters Satoshi Suda, Ken Tanizawa, Takayuki Kurosu, Toshihiko Kamei, Yoichi Sakakibara, Ryohei Takei, Masahiko Mori, Hitoshi Kawashima, and Shu Namiki 2014-03
- Counter-Dithering Pump Scheme for Cascaded Degenerate FWM Based Wavelength Converter Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2014) Hung Nguyen Tan, Takashi Inoue, Ken Tanizawa, Stephane Petit, Yoichi Oikawa, Shigehiro Takasaka, Takeshi Yagi, and Shu Namiki 2014-03
- Robust Design of 3-dB Directional Coupler with Weak Gap Sensitivity for Silicon Wire Waveguide Technical Digest of Optical Fiber Communication Conference and Exhibition (OFC2014) Guangwei Cong, Keijiro Suzuki, Sang-Hun Kim, Ken Tanizawa, Shu Namiki, and Hitoshi Kawashima 2014-03
- Ultra-compact 8 x 8 strictly-non-blocking Si-wire PILOSS switch Optics Express Keijiro Suzuki, Ken Tanizawa, Takashi Matsukawa, Guangwei Cong, Sang-Hun Kim, Satoshi Suda, Morifumi Ohno, Tadashi Chiba, Hirofumi Tadokoro, Masashi Yanagihara, Yasushi Igarashi, Meishoku Masahara, Shu Namiki, and Hitoshi Kawashima 2014-02
- Demonstration of a 3-dB directional coupler with enhanced robustness to gap variations for silicon wire waveguides Optics Express Guangwei Cong, Keijiro Suzuki, Sang-Hun Kim, Ken Tanizawa, Shu Namiki, and Hitoshi Kawashima 2014-01
- Sub-millisecond timing-jitter-free tuning of parametric dispersion compensator Optics Express Ken Tanizawa, Hiroyuki Matsuura, Toshimitsu Kaneko, Eiichi Banno, Katsumi Uesaka, Shigehiro Takasaka, Hidenori Iwai, Kazuya Ota, Haruhiko Kuwatsuka, Yoichi Oikawa, Takeshi Yagi, Hajime Shoji, and Shu Namiki 2013-11
- No-guard-band wavelength translation of Nyquist OTDM-WDM signal for spectral defragmentation in an elastic add-drop node Optics Letters Hung Nguyen Tan, Ken Tanizawa, Takashi Inoue, Takayuki Kurosu, and Shu Namiki 2013-09
- Ultra-Compact Si-Wire 8x8 Strictly-Non-Blocking PILOSS Switch Technical Digest of 39th European Conference on Optical Fiber Communications (ECOC 2013) Keijiro Suzuki, Ken Tanizawa, Takashi Matsukawa, Guangwei Cong, Sang-Hun Kim, Satoshi Suda, Morifumi Ohno, Tadashi Chiba, Hirofumi Tadokoro, Masashi Yanagihara, Yasushi Igarashi, Meishoku Masahara, and Hitoshi Kawashima 2013-09
- Seamless Spectral Defragmentation of Nyquist OTDM-WDM Signals in Add-Drop Node for All-Optical Elastic Network Technical Digest of 39th European Conference on Optical Fiber Communications (ECOC 2013) Hung Nguyen Tan, Ken Tanizawa, Takashi Inoue, Takayuki Kurosu, and Shu Namiki 2013-09
- 6.25 GHz Flexible Grid Tuning of Fully Heater-tuned CSG-DR Lasers with Sub-millisecond Wavelength Switching Technical DIgest of 39th European Conference on Optical Fiber Communications (ECOC 2013) Hiroyuki Matsuura, Toshimitsu Kaneko, Ken Tanizawa, Eiichi Banno, Katsumi Uesaka, Haruhiko Kuwatsuka, Shu Namiki, and Hajime Shoji 2013-09
- Compact and phase-error-robust multilayered AWG-based wavelength selective switch driven by a single LCOS Optics Express Keisuke Sorimoto, Ken Tanizawa, Hitoshi Kawashima, Masahiko Mori, Toshifumi Hasama, Hiroshi Ishikawa, Hiroyuki Tsuda, and Hisato Uetsuka 2013-07
- Experimental Study of Wavelength-dependent Dynamic Gain Offsets of AGC WDM EDFA Technical Digest of The 18th OptoElectronics and Communications Conference (OECC 2013) Kiyo Ishii, Ken Tanizawa, Junya Kurumida, and Shu Namiki 2013-07
- Guard-band-less Tunable Wavelength Conversion for Dual-Polarization Signal Based on Cascaded Single-Pump FWM Process Technical Digest of The 18th OptoElectronics and Communications Conference (OECC 2013) Takashi Inoue, Ken Tanizawa, and Shu Namiki 2013-07
- Ultrafast Optical Signal Processing Using Fiber Nonlinearities Technical Digest of The Conference on Lasers and Electro-Optics (CLEO: 2013) Shu Namiki, Mingyi Gao, Ken Tanizawa, Takayuki Kurosu, Junya Kurumida, Takashi Inoue, and Hung Nguyen Tan 2013-06
- Observation of spontaneous Raman scattering in hydrogenated amorphous silicon wire waveguide at 1.55 um Electronics Letters Ken Tanizawa, Satoshi Suda, Yoichi Sakakibara, Toshihiko Kamei, Ryohei Takei, Hitoshi Kawashima, Shu Namiki, Masahiko Mori, and Hiroshi Ishikawa 2013-04
- Experimental study on parametric tunable dispersion compensation for WDM channels with mixed OOK and QPSK formats Electronics Letters Takashi Inoue, Ken Tanizawa, and Shu Namiki 2013-03
- Practical Issues of the Tunable Dispersion Compensation Using Parametric Wavelength Conversion Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2013) Ken Tanizawa 2013-03
- Stable Clock Recovery and Channel Identification in OTDM realized by In-band Clock Distribution based on Pulse Position Modulation Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2013) Takayuki Kurosu, Ken Tanizawa, Dexiang Wang, Sze Yun Set, and Shu Namiki 2013-03
- Demonstration of Parametric Tunable Dispersion Compensation for WDM Channels with Mixed OOK and QPSK Formats Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2013) Takashi Inoue, Ken Tanizawa, and Shu Namiki 2013-03
- Fast Wavelength Switching of Fully Heater-tuned CSG-DR Lasers Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2013) Hiroyuki Matsuura, Toshimitsu Kaneko, Ken Tanizawa, Eiichi Banno, Katsumi Uesaka, Haruhiko Kuwatsuka, Shu Namiki, and Hajime Shoji 2013-03
- Baud-rate flexible clock recovery and channel identification in OTDM realized by pulse position modulation Optics Express Takayuki Kurosu, Ken Tanizawa, Dexiang Wang, Sze Yun Set, and Shu Namiki 2013-02
- Dynamic Optical Path Switching in 172-Gb/s OTDM Transmissions of Ultra-High Definition Video Signals Using Fast Channel-Identifiable Clock Recovery and Integratable Devices IEEE/OSA Journal of Lightwave Technology Takayuki Kurosu, Ken Tanizawa, Shu Namiki, Ryouichi Akimoto, Haruhiko Kuwatsuka, Toshifumi Hasama, Hiroshi Ishikawa, Tsuyoshi Nakatogawa, Kimiyuki Oyamada, Yousuke Tanaka, Satoshi Ide, Hiroshi Onaka, Tohru Asami 2013-02
- Optical parametric node devices for energy efficient networks Technical Digest of The International Conference on Fiber Optics and Photonics (Photonics 2012) Shu Namiki, Ken Tanizawa, Mingyi Gao, Takayuki Kurosu, Junya Kurumida, and Takashi Inoue 2012-12
- Experimental investigation of transients in six cascaded AGC EDFAs and their suppression using a high-speed VOA IEICE Communications Express Kiyo Ishii, Junya Kurumida, Ken Tanizawa, Shu Namiki, Norihiko Sato, Kazuya Ota, Yoichi Oikawa, Noriyasu Shiga 2012-09
- Recent Advances of Parametric Tunable Dispersion Compensators Technical Digest of 38th European Conference on Optical Fiber Communications (ECOC 2012) Ken Tanizawa, Junya Kurumida, Takayuki Kurosu, and Shu Namiki 2012-09
- Intra-node Optical Path Conditioner Using a Parametric Process of Highly Nonlinear Fibers for Dynamic Optical Path Networks Technical Digest of Photonics is Switching 2012 (PS 2012) Junya Kurumida, Mingyi Gao, Ken Tanizawa, and Shu Namiki 2012-09
- In-band clock distribution using signal phase for channel identifiable clock recovery in optical time-division multiplexing Electronics Letters Takayuki Kurosu, Ken Tanizawa, and Shu Namiki 2012-07
- Entire C-band Operation of Parametric Tunable Dispersion Compensator Using Zero-Dispersion Polarization-Maintaining HNLF Technical Digest of The 17th OptoElectronics and Communications Conference (OECC 2012) Ken Tanizawa, Junya Kurumida, Masanori Takahashi, Shigehiko Takasaka, Takeshi Yagi, and Shu Namiki 2012-07
- In-Line Polarization-Insensitive Parametric Tunable Dispersion Compensator for WDM Signals IEEE/OSA Journal of Lightwave Technology Ken Tanizawa, Junya Kurumida, Masanori Takahashi, Takeshi Yagi, and Shu Namiki 2012-06
- Measurement of Optical Nonlinear Response in Silicon Wire Waveguides by Frequency-Resolved Optical Gating Technical Digest of The 17th OptoElectronics and Communications Conference (OECC 2012) Satoshi Suda, Ken Tanizawa, Hitoshi Kawashima, Shu Namiki, Toshifumi Hasama, and Hiroshi Ishikawa 2012-06
- 344-Gb/s Dual-Polarization OTDM Transmission of Uncompressed Ultra-High Definition Video Signal Technical Digest of The 17th OptoElectronics and Communications Conference (OECC 2012) Takayuki Kurosu, Ken Tanizawa, Shu Namiki, Tsuyoshi Nakatogawa, and Kimiyuki Oyamada 2012-06
- Experimental Study of a Parametric Optical Path Conditioner with Functions of Tunable Dispersion Compensation and Signal Regeneration Technical Digest of The 10th International Conference on Optical Internet (COIN 2012) Junya Kurumida, Mingyi Gao, Ken Tanizawa, and Shu Namiki 2012-05
- Pattern-effect-free all-optical wavelength conversion using a hydrogenated amorphous Si waveguide with ultra-fast carrier decay Optics Letters Satoshi Suda, Ken Tanizawa, Youichi Sakakibara, Toshihiko Kamei, Kouichi Nakanishi, Emiko Itoga, Takeshi Ogasawara, Ryohei Takei, Hitoshi Kawashima, Shu Namiki, Masahiko Mori, Toshifumi Hasama, and Hiroshi Ishikawa 2012-04
- Parametric Tunable Dispersion Compensation with Spectrally Non-Inverting Wavelength Conversion Using Quasi-Phase-Matched Adhered Ridge Waveguide IEEE Journal of Selected Topics in Quantum Electronics Ken Tanizawa, Kiyofumi Kikuchi, Kaori Sugiura, Haruhiko Kuwatsuka, Sunao Kurimura, Hirochika Nakajima, Junichiro Ichikawa, and Shu Namiki 2012-03
- Controlling Optical Signals through Parametric Process IEEE Journal of Selected Topics in Quantum Electronics Shu Namiki, Takayuki Kurosu, Ken Tanizawa, Stephane Petit, Mingyi Gao, and Junya Kurumida 2012-03
- Dynamic Optical Path Switching of 172-Gbit/s OTDM Ultra-High Definition Video Signals Using Fast Channel-Identifiable Clock Recovery and Integratable Devices Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2012) Takayuki Kurosu, Ken Tanizawa, Shu Namiki, Ryouichi Akimoto, Haruhiko Kuwatsuka, Toshifumi Hasama, Hiroshi Ishikawa, Tsuyoshi Nakatogawa, Kimiyuki Oyamada, Yousuke Tanaka, Satoshi Ide, Hiroshi Onaka, and Tohru Asami 2012-03
- Clock distribution scheme using signal phase for channel identification in optical time division multiplexing Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2012) Takayuki Kurosu, Ken Tanizawa, Shu Namiki 2012-03
- Suppression of transients in an EDFA chain using feed-forward pump control and a high-speed VOA Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2012) Kiyo Ishii, Junya Kurumida, Ken Tanizawa, Shu Namiki, Norihiko Sato, Kazuya Ota, Yoichi Oikawa, and Noriyasu Shiga 2012-03
- Parametric Tunable Dispersion Compensator for Dynamic Optical Networking Technical Digest of 10th International Conference on Optical Communications and Networks (ICOCN 2011) Ken Tanizawa, Junya Kurumida, Takayuki Kurosu, and Shu Namiki 2011-12
- Parametric tunable dispersion compensator: distinctive features and practical issues Technical Digest of Asia Communications and Photonics Conference and Exhibition (ACP 2011) Ken Tanizawa, Junya Kurumida, Takayuki Kurosu, and Shu Namiki 2011-11
- Simultaneous Dispersion Compensation of WDM Channels Using In-Line Parametric Tunable Dispersion Compensator Technical Digest of 37th European Conference on Optical Fiber Communications (ECOC 2011) Ken Tanizawa, Junya Kurumida, Masanori Takahashi, Takeshi Yagi, and Shu Namiki 2011-09
- Parametric tunable dispersion compensation for the transmission of sub-picosecond pulses Optics Express Takayuki Kurosu, Ken Tanizawa, Stephane Petit, and Shu Namiki 2011-08
- Field Demonstration of Parametric Tunable Dispersion Compensator Employing Polarization Diversity Scheme IEEE Photonics Technology Letters Ken Tanizawa, Junya Kurumida, Masanori Takahashi, Takeshi Yagi, and Shu Namiki 2011-07
- Parametric Tunable Dispersion Compensation for DPSK Signals Technical Digest of The 16th OptoElectronics and Communications Conference (OECC 2011) Ken Tanizawa, Junya Kurumida, Masanori Takahashi, Takeshi Yagi, and Shu Namiki 2011-07
- Format agnostic wavelength conversion and its applications for optical networks Technical Digest of The 16th OptoElectronics and Communications Conference (OECC 2011) Shu Namiki, Stephane Petit, Ken Tanizawa, Takayuki Kurosu, Mingyi Gao, and Junya Kurumida 2011-07
- Transmission of 400fs pulses through 6km-DSF with parametric tunable dispersion compensation Technical Digest of The 16th OptoElectronics and Communications Conference (OECC 2011) Takayuki Kurosu, Ken Tanizawa, Stephane Petit, and Shu Namiki 2011-07
- Parametric Tunable Dispersion Compensation for Sub-Picosecond Optical Pulses Technical Digest of The Conference on Lasers and Electro-Optics (CLEO: 2011) Takayuki Kurosu, Ken Tanizawa, Stephane Petit, and Shu Namiki 2011-05
- Wide-band Tunable SFG-DFG Wavelength Conversion in Efficient LN-QPM Adhered Ridge Waveguide Technical DIgest of The Conference on Lasers and Electro-Optics (CLEO: 2011) Kaori Sugiura, Kiyofumi Kikuchi, Ken Tanizawa, Sunao Kurimura, Haruhiko Kuwatsuka, Shu Namiki, Hirochika Nakajima, and Junichiro Ichikawa 2011-05
- Ultrahigh-Definition Video Transmission and Extremely Green Optical Networks for Future IEEE Journal of Selected Topics in Quantum Electronics Shu Namiki, Takayuki Kurosu, Ken Tanizawa, Junya Kurumida, Toshifumi Hasama, Hiroshi Ishikawa, Tsuyoshi Nakatogawa, Madoka Nakamura and Kimiyuki Oyamada 2011-03
- Polarization-Insensitive Parametric Tunable Dispersion Compensation for Field Fiber Transmissions with Ultra-High-Definition Video Signals Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2011) Ken Tanizawa, Junya Kurumida, Masanori Takahashi, Tsuyoshi Nakatogawa, Kimiyuki Oyamada, Takeshi Yagi, and Shu Namiki 2011-03
- Pattern-Effect-Free Wavelength Conversion based on FWM in Hydrogenated Amorphous Silicon Waveguide Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2011) Satoshi Suda, Junya Kurumida, Ken Tanizawa, Toshihiko Kamei, Yoichi Sakakibara, Yuya Shoji, Kenji Kintaka, Hitoshi Kawashima, Masahiko Mori, Toshifumi Hasama, Hiroshi Ishikawa, and Shu Namiki 2011-03
- Polarisation-insensitive parametric tunable dispersion compensator Electronics Letters Ken Tanizawa, Junya Kurumida, Masanori Takahashi, Takeshi Yagi, and Shu Namiki 2011-01
- Parametric Node Devices for Extremely Low-Energy Networks Technical Digest of The 23rd Annual Meeting of the IEEE Photonics Society Shu Namiki, Takayuki Kurosu, Ken Tanizawa, Stephane Petit, Mingyi Gao, and Junya Kurumida 2010-11
- Microsecond switching of parametric tunable dispersion compensator Optics Letters Ken Tanizawa, Junya Kurumida, Hiroo Ishida, Yoichi Oikawa, Noriyasu Shiga, Masanori Takahashi, Takeshi Yagi, and Shu Namiki 2010-09
- Parametric Tunable Dispersion Compensator Using Cascaded Sum- and Difference-Frequency Generation of PPLN Waveguide Technical Digest of 36th European Conference on Optical Fiber Communications (ECOC2010) Ken Tanizawa, Kiyofumi Kikuchi, Kaori Sugiura, Haruhiko Kuwatsuka, Sunao Kurimura, Hirochika Nakajima, Junichiro Ichikawa, and Shu Namiki 2010-09
- Four-wave mixing in Hydrogenated Amorphous Silicon Waveguides at 1.55 μm Technical Digest of 7th International Conference on Group IV Photonics Satoshi Suda, Ken Tanizawa, Toshihiko Kamei, Yoichi Sakakibara, Yuya Shoji, Kenji Kintaka, Hitoshi Kawashima, Masahiko Mori, Toshifumi Hasama, Hiroshi Ishikawa, and Shu Namiki 2010-09
- Repetition-rate dependence of free-carrier effects in cross-phase modulation of a Silicon waveguide Technical Digest of The 15th OptoElectronics and Communications Conference (OECC 2010) Satoshi Suda, Shu Namiki, Ken Tanizawa, Junya Kurumida, Kenji Kintaka, Yuya Shoji, Hitoshi Kawashima, Toshifumi Hasama, and Hiroshi Ishikawa 2010-07
- All Optical Node Functions Using Nonlinear Fiber Optics Technical Digest of The 15th OptoElectronics and Communications Conference (OECC 2010) Shu Namiki, Takayuki Kurosu, Ken Tanizawa, Stephane Petit, Mingyi Gao, and Junya Kurumida 2010-07
- High-speed optical transmissions over a second- and third-order dispersion-managed DSF span with parametric tunable dispersion compensator Optics Express Ken Tanizawa, Takayuki Kurosu, and Shu Namiki 2010-05
- 1.8-ps RZ-Pulse 43-Gbps Transmission over 126-km DSF with Parametric Tunable Dispersion Compensation Technical Digest of Optical Fiber Communication Conference and Exposition / National Fiber Optic Engineers Conference (OFC/NFOEC2010) Ken Tanizawa, Takayuki Kurosu, and Shu Namiki 2010-03
- Search Control Algorithm Based on Random Step Size Hill-Climbing Method for Adaptive PMD Compensation IEICE Transactions on Communications Ken Tanizawa, and Akira Hirose 2009-08
- Improvement of BER Performance by Active PMD Compensation Employing the Steepest Descent-Based Tracking Algorithm Technical Digest of The 14th OptoElectronics and Communications Conference (OECC 2009) Ken Tanizawa, and Akira Hirose 2009-07
- Fast Tracking Algorithm for the Adaptive Compensation of High-Speed PMD Variation Caused by SOP Change in Milliseconds IEEE Photonics Technology Letters Ken Tanizawa, and Akira Hirose 2009-02
- High-Quality Frame Interpolation in Computer Generated Holographic Movies using Coherent Neural Networks with a Hybrid Learning Method Applied Optics Chor Shen Tay, Ken Tanizawa, and Akira Hirose 2008-10
- Steepest-Descent-Based Control of Polarization Controller for High-Speed Tracking in Adaptive Polarization Mode Dispersion Compensation Technical Digest of Joint Conference of the Opto-Electronics and Communications Conference and the Australian Conference on Optical Fiber Technology (OECC/ACOFT2008) Ken Tanizawa, and Akira Hirose 2008-07
- Optimal Control of Tunable PMD Compensator Using Random Step Size Hill-Climbing Method Technical Digest of Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC2008) Ken Tanizawa, and Akira Hirose 2008-02
- Error Reduction in Holographic Movies using a Hybrid Learning Method in Coherent Neural Networks Proceeding of International Conference on Artificial Neural Networks (ICANN'2007) Chor Shen Tay, Ken Tanizawa, and ○Akira Hirose 2007-09
- Adaptive Steepest-Descent-Feedback Control of Tunable Dispersion Compensators using A Three-Point Sampling Method in Time-Domain Waveforms Technical Digest of 12th Optoelectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007) Ken Tanizawa, and Akira Hirose 2007-07
- Performance Analysis of Steepest-Descent-Based Feedback Control of Tunable Dispersion Compensator for Adaptive Dispersion Compensation in All-Optical Dynamic Routing Networks IEEE/OSA Journal of Lightwave Technology Ken Tanizawa, and Akira Hirose 2007-04
- Efficient generation of holographic movies with frame interpolation using a coherent neural network IEICE Electronics Express Akira Hirose, Tomoaki Higo, and Ken Tanizawa 2006-10
- Adaptive Control of Tunable Dispersion Compensator That Minimizes Time-Domain Waveform Error by Steepest Descent Method IEEE Photonics Technology Letters Ken Tanizawa, and Akira Hirose 2006-07
- Holographic Three-Dimensional Movie Generation with Frame Interpolation Using Coherent Neural Networks Proceeding of IEEE/WCCI 2006 World Congress on Computational Intelligence Akira Hirose, Tomoaki Higo, and Ken Tanizawa 2006-07
- Gradient-Method Based Adaptive Control of Tunable Dispersion Compensator That Minimizes Time-Domain Waveform Error Technical Digest of Optical Fiber Communication Conference and Exposition/National Fiber Optic Engineers Conference (OFC/NFOEC2006) Ken Tanizawa, and Akira Hirose 2006-03
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