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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
UWT
(2nd)
2022-06-20
15:30
Online Online Development of Underwater LiDAR based on Visible Optical Devices
Ken-Ichi Suzuki, Seigo Takahashi (Trimatiz)
 [more]
WPT, UWT
(Joint)
2021-11-12
13:30
Online Online Estimation of fluctuation diameter affecting underwater propagating light
Yoshihisa Takayama, Hiroki Yamashita (Tokai Univ.), Seigo Takahashi (Trimatiz)
The validity of the approach to estimate the size of the fluctuation in water affecting to the propagation of light is e... [more]
CS, OCS
(Joint)
2012-01-26
14:55
Mie ISESHI-KANKOUBUNKAKAIKAN A field test of high-speed wavelength-division multiplexing quantum key distribution system
Ken-ichiro Yoshino (NEC), Mikio Fujiwara (NICT), Akihiro Tanaka, Seigo Takahashi, Yoshihiro Nambu (NEC), Akihisa Tomita (Hokkaido Univ.), Shigehito Miki, Taro Yamashita, Zhen Wang, Masahide Sasaki (NICT), Akio Tajima (NEC) OCS2011-111
A high-speed quantum key distribution system was developed with the wavelength-division multiplexing (WDM) technique and... [more] OCS2011-111
pp.35-38
CS 2010-07-08
13:55
Kagoshima Yoron Park Hotel, Kagoshima [Invited Talk] High-efficient and low-cost burst-mode transmission scheme using a redundant scrambler
Akio Tajima, Toshihiko Okamura, Seigo Takahashi (NEC Corp.) CS2010-14
To realize high-capacity access network, 10Gbps-class next generation PON (NG-PON) technologies have been developed. As ... [more] CS2010-14
pp.29-33
CS 2009-07-03
10:45
Nagasaki Fukue Bunkakaikan 10G-EPON Burst Optical Transmitter and Receiver -- For Coexistence with G-EPON System --
Akio Tajima, Kazuhiro Shiba, Tatsuya Uchikata, Emiko Mizuki, Seigo Takahashi, Kikuo Makita (NEC) CS2009-30
To realize high-capacity access network, 10Gbps-class next generation PON (NG-PON) standardization has been discussed. T... [more] CS2009-30
pp.103-107
CS 2008-11-07
09:00
Hokkaido Hotel Tsturuga, Akan, Hokkaido A temperature compensated 10 Gbps burst-mode optical transmitter for 10G-EPON system
Seigo Takahashi, Tatsuya Uchikata, Tomohiro Myouraku, Akio Tajima (NEC Corp.) CS2008-33
 [more] CS2008-33
pp.47-51
PN, CS, OCS
(Joint)
2008-06-13
16:30
Hokkaido Chitose Institute of Science and Technology Fast Quantum Cryptography System using Single Photon Communication
Akio Tajima, Akihiro Tanaka, Yosihiro Nambu, Wakako Maeda, Ken-ichiro Yoshino, Seigo Takahashi, Akihisa Tomita (NEC) OCS2008-19
Quantum key distribution (QKD) systems based on single photon transmission can generate unconditionally secure common ke... [more] OCS2008-19
pp.51-56
OCS, PN, CS
(Joint)
2007-06-14
14:45
Hokkaido Chitose Inst. of Science and Technology A randomness test on a quantum crypto-key
Akihiro Tanaka, Wakako Maeda, Seigo Takahashi, Akio Tajima (NEC) OCS2007-13
We have established key techniques to ensure the randomness of crypto-key shared using Quantum Key Distribution. We have... [more] OCS2007-13
pp.19-24
NS, OCS
(Joint)
2007-01-25
13:25
Miyazaki   Optical-switched Quantum Key Distribution Network
Wakako Maeda, Akihiro Tanaka, Seigo Takahashi, Akio Tajima (NEC) OCS2006-75
 [more] OCS2006-75
pp.7-12
OCS 2006-04-21
16:10
Tokyo Kikai-Shinko-Kaikan Bldg. Automatic Installation in QKD System
Wakako Maeda, Akihiro Tanaka, Seigo Takahashi, Akio Tajima (NEC) OCS2006-8
(Advance abstract in Japanese is available) [more] OCS2006-8
pp.33-36
OFT, OCS
(Joint)
2005-08-26
11:45
Akita Akita Univ. Temperature and transmission line independent technologies of optical circuits in Quantum Key Distribution
Akihiro Tanaka, Akio Tajima, Wakako Maeda, Seigo Takahashi (NEC)
Many problems to be resolved are still remaining toward the commercial viability of the quantum cryptosystem, which attr... [more] OCS2005-41
pp.35-40
LQE, OPE 2005-06-24
16:40
Tokyo Kikai-Shinko-Kaikan Bldg. A minimized Photon Receiver for a high-speed quantum cryptosystem
Seigo Takahashi, Akihiro Tanaka, Wakako Maeda, Akio Tajima, Takeshi Takeuchi, Akihisa Tomita (NEC Corp.)
A practical quantum cryptosystem which security is guaranteed by quantum physics is strongly required. A high-speed and ... [more] OPE2005-26 LQE2005-25
pp.61-66
PN, CS, OCS
(Joint)
2005-05-23
09:30
Okinawa Hotel Moonbeach (Okinawa) A High-speed Quantum Cryptosystem
Akio Tajima, Akihiro Tanaka, Wakako Maeda, Seigo Takahashi, Takeshi Takeuchi, Akihisa Tomita, Yoshihiro Nambu (NEC)
Quantum cryptosystems, which security is guaranteed by quantum physics, are promising candidate for next generation impr... [more] OCS2005-13
pp.7-12
PN, CS, OCS
(Joint)
2005-05-23
09:55
Okinawa Hotel Moonbeach (Okinawa) Synchronization Technique of Quantum Key Distribution System
Wakako Maeda, Akio Tajima, Akihiro Tanaka, Seigo Takahashi (NEC Corp.)
 [more] OCS2005-14
pp.13-18
 Results 1 - 14 of 14  /   
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