Ken Tanizawa

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 26

Top Topics

Gallium Arsenide

Dynamic Routing

Low Power Consumption

Top Venues

IEICE Electron. Express

Publications

Fumio Futami, Ken Tanizawa, Kentaro Kato, Yuichiro Hara, Michikazu Hattori, Abdelmoula Bekkali, Yukihiko Suga
Secure FSO Transmission with Quantum Deliberate Signal Randomization on the Y-00 Protocol under Fog Conditions. OFC (2024)
Rui Tang, Shuhei Ohno, Ken Tanizawa, Kazuhiro Ikeda, Makoto Okano, Kasidit Toprasertpong, Shinichi Takagi, Mitsuru Takenaka
Inference and training in deep learning using a symmetric optical crossbar array. OFC (2024)
Rui Tang, Shuhei Ohno, Ken Tanizawa, Kazuhiro Ikeda, Makoto Okano, Kasidit Toprasertpong, Shinichi Takagi, Mitsuru Takenaka
A symmetric silicon microring resonator optical crossbar array for accelerated inference and training in deep learning. CoRR (2024)
Fumio Futami, Ken Tanizawa, Kentaro Kato, Yuki Kawaguchi, Shin Sato
Secure Unrepeated Fiber Transmission with Quantum Deliberate Signal Randomization on Y-00 Protocol. OFC (2023)
Tatsuki Ishijima, Shuhei Otsuka, Shun Harada, Takahide Sakamoto, Ken Tanizawa, Fumio Futami
Nonlinear Tolerant Conjugated RoF System Secured by Physical Layer Encryption with Deliberate Signal Randomization. OFC (2023)
Ken Tanizawa, Kentaro Kato, Fumio Futami
Real-time 50-Gbit/s Spatially Multiplexed Quantum Random Number Generator Based on Vacuum Fluctuation. OFC (2023)
Ken Tanizawa, Fumio Futami
Analog IM/DD IFoF Transmission of OFDM Quantum-Noise Randomized QAM Cipher for Wireless Signal Encryption. OECC/PSC (2022)
Ken Tanizawa, Fumio Futami
Photonic-Assisted Microwave OFDM Quantum-Noise Randomized Cipher Generation via IM/DD IFoF Transmission. OFC (2021)
Ken Tanizawa, Fumio Futami
Photonic Generation of Quantum Noise Assisted Cipher at Microwave Frequencies for Secure Wireless Links. OFC (2020)
Ken Tanizawa, Fumio Futami
Security-Enhanced 10, 118-km Single-Channel 40-Gbit/s Transmission Using PSK Y-00 Quantum Stream Cipher. ECOC (2020)
Ken Tanizawa, Fumio Futami
48-Gbit/s DP PSK Y-00 Quantum Stream Cipher Based on QPSK Data Modulation. OECC/PSC (2019)
Ken Tanizawa, Fumio Futami
Digital Coherent 20-Gbit/s DP-PSK Y-00 Quantum Stream Cipher Transmission over 800-km SSMF. OFC (2019)
Fumi Nakamura, Hideaki Asakura, Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, Hiroyuki Tsuda
Silicon photonics based 1 × 2 wavelength selective switch using fold-back arrayed-waveguide gratings. IEICE Electron. Express 15 (14) (2018)
Fumio Futami, Takayuki Kurosu, Ken Tanizawa, Kentaro Kato, Satoshi Suda, Shu Namiki
Dynamic Routing of Y-00 Quantum Stream Cipher in Field-Deployed Dynamic Optical Path Network. OFC (2018)
Takeshi Matsumoto, Teruo Kurahashi, Ryotaro Konoike, Ken Tanizawa, Keijiro Suzuki, Ayahito Uetake, Kazumasa Takabayashi, Kazuhiro Ikeda, Hitoshi Kawashima, Suguru Akiyama, Shigeaki Sekiguchi
In-line Optical Amplification for Silicon Photonics Platform by Flip-Chip Bonded InP-SOAs. OFC (2018)
Yojiro Mori, Koh Ueda, Keijiro Suzuki, Hiroyuki Matsuura, Ken Tanizawa, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashiwa, Ken-ichi Sato
Next-Generation ROADM Employing Bandwidth-Adaptive Silicon-Photonic Filters for Flexible Drop Operation. OFC (2018)
Rui Tang, Takuo Tanemura, Samir Ghosh, Keijiro Suzuki, Ken Tanizawa, Kazuhiro Ikeda, Hitoshi Kawashima, Yoshiaki Nakano
Reconfigurable 3-Channel All-Optical MIMO Circuit on Silicon Based on Multi-Plane Light Conversion. OFC (2018)
Ken Tanizawa, Fumio Futami
Levels Enabled by Coarse-to-Fine Modulation Using Cascaded Phase Modulators. ECOC (2018)
Hiroyuki Matsuura, Satoshi Suda, Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Hitoshi Kawashima, Shu Namiki
Accelerating switching speed of thermo-optic MZI silicon-photonic switches with "turbo pulse" in PWM control. OFC (2017)
Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Takashi Inoue, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima
Silicon-photonics polarization-insensitive broadband strictly-non-blocking 8 × 8 blade switch. OFC (2017)
Koki Sugiyama, Takafumi Chiba, Ken Tanizawa, Keijiro Suzuki, Takayuki Kawashima, Shojiro Kawakami, Kazuhiro Ikeda, Hitoshi Kawashima, Hiroshi Takahashi, Hiroyuki Tsuda
Polarization diversity circuit based on silica waveguides and photonic crystal waveplates for a 4×4 silicon optical switch. IEICE Electron. Express 14 (10) (2017)
Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima
Fully integrated non-duplicate polarization-diversity 8 × 8 Si-wire PILOSS switch. OFC (2017)
Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima
2.5-dB loss, 100-nm Operating Bandwidth, and Low Power Consumption Strictly-Non-Blocking 8 × 8 Si Switch. ECOC (2017)
Hitoshi Kawashima, Keijiro Suzuki, Ken Tanizawa, Satoshi Suda, Guangwei Cong, Hiroyuki Matsuura, Shu Namiki, Kazuhiro Ikeda
Multi-port optical switch based on silicon photonics. OFC (2016)
Takeshi Matsumoto, Teruo Kurahashi, Ken Tanizawa, Keijiro Suzuki, Ayahito Uetake, Kazumasa Takabayashi, Kazuhiro Ikeda, Hitoshi Kawashima, Suguru Akiyama
In-line optical amplification for Si waveguides on 1×8 splitter and selector by flip-chip bonded InP-SOAs. OFC (2016)
Ken Tanizawa, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima
Novel PILOSS port assignment for compact polarization-diversity Si-wire optical switch. OFC (2016)
Ken Tanizawa, Keisuke Sorimoto, Keijiro Suzuki, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima
In-band OSNR monitor based on 3 × 3 Si-wire MMI coupler. ECOC (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, Shu Namiki
Dynamic parametric dispersion compensation using FPGA pump controller and dispersion monitor. OFC (2015)
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, Hitoshi Kawashima
. OFC (2015)
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, Hitoshi Kawashima
Power-efficient gray-scale control of silicon thermo-optic phase shifters by pulse width modulation using monolithically integrated MOSFET. OFC (2015)
Kyosuke Muramatsu, Hideaki Asakura, Keijiro Suzuki, Ken Tanizawa, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima, Hiroyuki Tsuda
Evaluation of the phase error in Si-wire arrayed-waveguide gratings fabricated by ArF-immersion photolithography. IEICE Electron. Express 12 (7) (2015)
Junya Kurumida, Kiyo Ishii, Atsuko Takefusa, Yusuke Tanimura, Shigeyuki Yanagimachi, Hitoshi Takeshita, Akio Tajima, Kiyoshi Fukuchi, H. Honma, W. Odashima, H. Onaka, Ken Tanizawa, Keijiro Suzuki, Satoshi Suda, Kazuhiro Ikeda, H. Kawashima, H. Uetsuka, Hiroyuki Matsuura, Haruhiko Kuwatsuka, K. Sato, Tomohiro Kudoh, Shu Namiki
First demonstration of ultra-low-energy hierarchical multi-granular optical path network dynamically controlled through NSI-CS for video related applications. ECOC (2014)
G. W. Cong, Keijiro Suzuki, Sang-Hun Kim, Ken Tanizawa, Shu Namiki, H. Kawashima
Robust design of 3-dB directional coupler with weak gap sensitivity for silicon wire waveguide. OFC (2014)
Hung Nguyen Tan, Takashi Inoue, Ken Tanizawa, Stephane Petit, Yoichi Oikawa, Shigehiro Takasaka, Takeshi Yagi, Shu Namiki
Counter-dithering pump scheme for cascaded degenerate FWM based wavelength converter. OFC (2014)
Keijiro Suzuki, Guangwei Cong, Ken Tanizawa, Sang-Hun Kim, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima
Multiport optical switches integrated on Si photonics platform. IEICE Electron. Express 11 (24) (2014)
Hung Nguyen Tan, Takashi Inoue, Ken Tanizawa, Takayuki Kurosu, Shu Namiki
All-optical Nyquist filtering for elastic OTDM signals and their spectral defragmentation for inter-datacenter networks. ECOC (2014)
Ken Tanizawa
Practical issues of the tunable dispersion compensation using parametric wavelength conversion. OFC/NFOEC (2013)
Takashi Inoue, Ken Tanizawa, Shu Namiki
Demonstration of parametric tunable dispersion compensation for WDM channels with mixed OOK and QPSK formats. OFC/NFOEC (2013)
H. Matsuura, T. Kaneko, Ken Tanizawa, Eiichi Banno, Katsumi Uesaka, Haruhiko Kuwatsuka, Shu Namiki, H. Shoji
Fast wavelength switching of fully heater-tuned CSG-DR lasers. OFC/NFOEC (2013)
Takayuki Kurosu, Ken Tanizawa, Dexiang Wang, Sze Yun Set, Shu Namiki
Stable clock recovery and channel identification in OTDM realized by in-band clock distribution based on pulse position modulation. OFC/NFOEC (2013)
Ken Tanizawa, Akira Hirose
Search Control Algorithm Based on Random Step Size Hill-Climbing Method for Adaptive PMD Compensation. IEICE Trans. Commun. (8) (2009)
Chor Shen Tay, Ken Tanizawa, Akira Hirose
Error Reduction in Holographic Movies Using a Hybrid Learning Method in Coherent Neural Networks. ICANN (1) (2007)
Akira Hirose, Tomoaki Higo, Ken Tanizawa
Efficient generation of holographic movies with frame interpolation using a coherent neural network. IEICE Electron. Express 3 (19) (2006)
Akira Hirose, Tomoaki Higo, Ken Tanizawa
Holographic Three-Dimensional Movie Generation with Frame Interpolation Using Coherent Neural Networks. IJCNN (2006)