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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2024-05-09 16:05 |
Nagasaki | (Primary: On-site, Secondary: Online) |
Suppression of Stimulated Brillouin Scattering for High Power Optical Dual Sideband OFDM Communications Tomoya Suzuki, Shun Harada, Shuhei Otsuka, Tatsuki Ishijima, Zheqing Sun (TMU), Ken Tanizawa, Fumio Futami (TU), Takahide Sakamoto (TMU) |
[more] | |
| OCS, LQE, OPE | 2023-10-19 17:05 |
Kochi | (Primary: On-site, Secondary: Online) |
Analog RoF transmission system with optical phase conjugation and deliberate signal randomization for high RF link gain and high security Tatsuki Ishijima, Shuhei Otuka, Shun Harada, Takahide Sakamoto (Tokyo Metropolitan Univ), Ken Tanizawa, Futami Fumio (Tamagawa Univ.)  OCS2023-38 OPE2023-93 LQE2023-40 |
[more] | OCS2023-38 OPE2023-93 LQE2023-40 pp.57-61 |
| OCS, LQE, OPE | 2023-05-26 16:05 |
Online | Online | [Special Invited Talk]
Real-time 50-Gbit/s Spatially Multiplexed Quantum Random Number Generator Ken Tanizawa, Kentaro Kato, Fumio Futami (Tamagawa Univ.) OCS2023-7 OPE2023-7 LQE2023-7 |
Unpredictable random number generation is an essential technology for cryptographic applications. Quantum random number ... [more] | OCS2023-7 OPE2023-7 LQE2023-7 pp.26-31 |
| OCS, OFT, OPE (Joint) [detail] |
2023-02-17 13:45 |
Okinawa | kukuru-itomancity (Primary: On-site, Secondary: Online) |
Universal linear optical circuit with a small circuit depth Kazuki Sakaino, Tomofumi Odagawa, Shogo Kimura, Takuya Inagaki (Tohoku Univ.), Hanzhi Tang (Univ. of Tokyo), Ken Tanizawa (Tamagawa Univ.), Kazuhiro Ikeda, Makoto Okano (AIST), Mitsuru Takenaka (Univ. of Tokyo), Hirohito Yamada, Nobuyuki Matsuda (Tohoku Univ.) OCS2022-85 OFT2022-61 OPE2022-114 |
[more] | OCS2022-85 OFT2022-61 OPE2022-114 pp.77-79(OCS), pp.50-52(OFT), pp.102-104(OPE) |
| ITE-BCT, OCS, IEE-CMN, OFT | 2022-11-10 14:00 |
Miyagi | Forest-Sendai (Primary: On-site, Secondary: Online) |
Y-00 Quantum Noise Stream Cipher with Quantum Deliberate Signal Randomization and Its Application to Optical Fiber Transmission System Fumio Futami, Ken Tanizawa, Kentaro Kato (Tamagawa Univ.) OCS2022-41 |
Deliberate signal randomization (DSR) driven by quantum random numbers is proposed for enhancing security. PSK Y-00 ciph... [more] | OCS2022-41 pp.7-12 |
| OFT, ITE-BCT, OCS, IEE-CMN [detail] | 2020-11-12 16:50 |
Online | Online | Multi-Channel Simultaneous Encryption in WDM Systems of PSK Y-00 Quantum Stream Cipher Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OCS2020-26 |
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] | OCS2020-26 pp.15-20 |
| OFT | 2020-10-09 13:25 |
Online | Online | [Invited Talk]
Digital Coherent PSK Y-00 Quantum Stream Cipher for Secure Optical Fiber Communications Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OFT2020-32 |
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] | OFT2020-32 pp.97-102 |
| LQE | 2018-07-12 14:20 |
Hokkaido | Hybrid-Integration Technologies of InP-SOA on Silicon Optical Platform Takeshi Matsumoto, Teruo Kurahashi (Fujitsu Lab), Ryotaro Konoike, Keijiro Suzuki, Ken Tanizawa (AIST), Ayahito Uetake, Kazumasa Takabayashi (Fujitsu Lab), Kazuhiro Ikeda, Hitoshi Kawashima (AIST), Suguru Akiyama, Shigeaki Sekiguchi (Fujitsu Lab) LQE2018-23 |
We investigated hybrid-integration technologies of semiconductor optical amplifiers (SOAs) on Si optical platforms for o... [more] | LQE2018-23 pp.13-16 |
|
| NS, OCS, PN (Joint) |
2018-06-14 16:00 |
Fukushima | Koriyama-Shoko-Kaigisho | [Invited Talk]
Y-00 Quantum Stream Cipher Transceiver and its Applications to Optical Communication Systems Fumio Futami, Ken Tanizawa, Kentaro Kato (Tamagawa Univ.) NS2018-30 OCS2018-13 PN2018-13 |
(Advance abstract in Japanese is available) [more] | NS2018-30 OCS2018-13 PN2018-13 pp.13-18(NS), pp.13-18(OCS), pp.49-54(PN) |
| EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] | 2018-01-26 10:20 |
Hyogo | Design of wavefront control type WSS and fold-back type WSS using silicon waveguides Fumi Nakamura, Hideaki Asakura, Kyosuke Muramatsu (Keio Univ.), Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima (AIST), Hiroyuki Tsuda (Keio Univ.) PN2017-85 EMT2017-122 OPE2017-163 LQE2017-145 EST2017-121 MWP2017-98 |
A wavelength selective switch (WSS) is an optical device for routing the wavelength division multiplexed (WDM) signal to... [more] | PN2017-85 EMT2017-122 OPE2017-163 LQE2017-145 EST2017-121 MWP2017-98 pp.275-280 |
|
| LQE, OPE, OCS | 2016-10-28 09:40 |
Miyazaki | Miyazaki Citizen's Plaza | Driving circuit for 32X32 Optical Matrix Switch using High-resolution Pulse-width Modulation Hiroyuki Matsuura, Satoshi Suda, Ken Tanizawa, Keijiro Suzuki, kazuhiro Ikeda, Hitoshi Kawashima, Shu Namiki (AIST) OCS2016-46 OPE2016-87 LQE2016-62 |
A silicon photonic 32X32 strictly non-blocking matrix switch utilizing Mach-Zehnder (MZ) interferometers controlled by t... [more] | OCS2016-46 OPE2016-87 LQE2016-62 pp.65-70 |
| PN | 2016-03-07 16:00 |
Okinawa | Okinawaken Seinenkaikan | [Invited Talk]
Fast and accurate calibration method for large-port-count Si-wire PILOSS optical switch Satoshi Suda, Ken Tanizawa, Keijiro Suzuki, Hiroyuki Matsuura, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima (AIST) PN2015-113 |
[more] | PN2015-113 pp.59-62 |
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-29 10:15 |
Hyogo | [Invited Talk]
Large-port-count optical switch based on silicon photonics Kazuhiro Ikeda, Keijiro Suzuki, Ken Tanizawa, Shu Namiki, Hitoshi Kawashima (AIST) PN2015-78 EMT2015-129 OPE2015-191 LQE2015-178 EST2015-135 MWP2015-104 |
Large-port-count optical switches are the key device for emerging flexible networking, such as the dynamic optical netwo... [more] | PN2015-78 EMT2015-129 OPE2015-191 LQE2015-178 EST2015-135 MWP2015-104 pp.261-268 |
|
| OCS, OPE | 2015-05-15 16:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg(Tokyo) | 32x32 Strictly Non-Blocking Si-Wire Optical Path Switch Ken Tanizawa, Keijiro Suzuki, Munehiro Toyama, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino (AIST), Toshio Sugaya (Furukawa Electric), Satoshi Suda, Guangwei Cong (AIST), Toshio Kimura (Furukawa Electric), Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima (AIST) OCS2015-8 OPE2015-8 |
In order to realize dynamic optical path networks that transmit coarse-granular video traffics with ultra-low energy con... [more] | OCS2015-8 OPE2015-8 pp.33-38 |
| OCS, OPE, LQE | 2014-10-30 15:55 |
Nagasaki | Nagasaki Museum of History and Culture | Fast and Flexgrid Wavelength Switching of Narrow-Linewidth TDA-CSG-DR Lasers Hiroyuki Matsuura (AIST), Toshimitsu Kaneko (SEI), Ken Tanizawa (AIST), Eiichi Banno, Katsumi Uesaka (SEI), Haruhiko Kuwatsuka, Shu Namiki (AIST), Hajime Shoji (SEI) OCS2014-64 OPE2014-108 LQE2014-82 |
As characteristics required for wavelength tunable lasers, a narrow line width of several hundred kHz and a wavelength r... [more] | OCS2014-64 OPE2014-108 LQE2014-82 pp.117-122 |
| LQE, OCS, OPE | 2013-10-25 16:45 |
Fukuoka | Study on polarization-diversity and guard-band-less wavelength converter Takashi Inoue, Ken Tanizawa, Shu Namiki (AIST) OCS2013-79 OPE2013-125 LQE2013-95 |
We propose a practical wavelength converter based on four-wave mixing in optical fiber, and we achieve a polarization-di... [more] | OCS2013-79 OPE2013-125 LQE2013-95 pp.147-151 |
|
| OCS, CS (Joint) |
2013-01-24 13:30 |
Ehime | Ehime Univ. | Continuously tunable parametric dispersion compensation for C-band input signals Ken Tanizawa, Junya Kurumida (AIST), Shigehiro Takasaka, Takeshi Yagi (Furukawa Elec.), Shu Namiki (AIST) OCS2012-85 |
To achieve dynamic optical path networks for future energy-efficient transmission of a large bandwidth signal such as ul... [more] | OCS2012-85 pp.1-6 |
| OCS | 2012-07-26 15:10 |
Shizuoka | Input-wavelength preserving and polarization-insensitive parametric tunable dispersion compensator for simultaneous dispersion compensation of WDM channels Ken Tanizawa, Junya Kurumida (AIST), Masanori Takahashi, Takeshi Yagi (Furukawa Electric), Shu Namiki (AIST) OCS2012-25 |
In order to realize energy-efficient optical networks for future large bandwidth video transmission, we have proposed an... [more] | OCS2012-25 pp.23-28 |
|
| OFT, OCS (Joint) |
2011-08-26 09:50 |
Hokkaido | Field demonstration of polarization-insensitive parametric tunable dispersion compensator over 105-km installed fiber Ken Tanizawa, Junya Kurumida (AIST), Masanori Takahashi (Furukawa Electric), Tsuyoshi Nakatogawa, Kimiyuki Oyamada (NHK), Takeshi Yagi (Furukawa Electric), Shu Namiki (AIST) OCS2011-50 |
In order to realize energy-efficient optical networks for future large bandwidth video transmission, we have proposed an... [more] | OCS2011-50 pp.27-32 |
|
| IA | 2011-02-18 16:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg | Demonstration of Transmission of Super Hi-Vision Data by Optical Time Division Multiplexing at 172-Gbps Takayuki Kurosu, Ken Tanizawa, Junya Kurumida, Shu Namiki, Ryoichi Akimoto, Haruhiko Kuwatsuka, Toshifumi Hasama, Hiroshi Ishikawa (AIST), Shigeaki Sekiguchi, Nami Yashuoka, Ken Morito (Fujitsu), Kimiyuki Oyamada (NHK), Tohru Asami (Univ.Tokyo) IA2010-82 |
Aiming to realize a LAN-SAN system that can handle large scale data such as ultra high definition visual data, 172Gbps-o... [more] | IA2010-82 pp.59-62 |
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