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Paper Abstract and Keywords
Presentation 2012-01-26 14:55
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
Abstract (in Japanese) (See Japanese page) 
(in English) A high-speed quantum key distribution system was developed with the wavelength-division multiplexing (WDM) technique and dedicated key distillation hardware engines. Two interferometers for encoding and decoding are shared over eight wavelengths to reduce the system's size, cost, and control complexity. The key distillation engines can process a huge amount of data from the WDM channels by using a 1-Mbit block in real time. We demonstrated a 3-channel WDM system that simultaneously uses avalanche photodiodes and superconducting single photon detectors. We achieved 12-hour continuous key generation with a secure key rate of 208 kbps through a 45-km field fiber with 14.5-dB loss.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum key distribution / Wavelength-division multiplexing / Avalanche photo diode / Superconducting single photon detector / Field test / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 411, OCS2011-111, pp. 35-38, Jan. 2012.
Paper # OCS2011-111 
Date of Issue 2012-01-19 (OCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee CS OCS  
Conference Date 2012-01-26 - 2012-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) ISESHI-KANKOUBUNKAKAIKAN 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Core/metro system, Optical access system/next generation PON, Broadband access system, (Wide area)Ethernet, Optical transport network(OTN), High-speed interface, Analog optaical transmission, Quantum communication etc. 
Paper Information
Registration To OCS 
Conference Code 2012-01-CS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A field test of high-speed wavelength-division multiplexing quantum key distribution system 
Sub Title (in English)  
Keyword(1) Quantum key distribution  
Keyword(2) Wavelength-division multiplexing  
Keyword(3) Avalanche photo diode  
Keyword(4) Superconducting single photon detector  
Keyword(5) Field test  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ken-ichiro Yoshino  
1st Author's Affiliation NEC Corporation (NEC)
2nd Author's Name Mikio Fujiwara  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Akihiro Tanaka  
3rd Author's Affiliation NEC Corporation (NEC)
4th Author's Name Seigo Takahashi  
4th Author's Affiliation NEC Corporation (NEC)
5th Author's Name Yoshihiro Nambu  
5th Author's Affiliation NEC Corporation (NEC)
6th Author's Name Akihisa Tomita  
6th Author's Affiliation Hokkaido University (Hokkaido Univ.)
7th Author's Name Shigehito Miki  
7th Author's Affiliation National Institute of Information and Communications Technology (NICT)
8th Author's Name Taro Yamashita  
8th Author's Affiliation National Institute of Information and Communications Technology (NICT)
9th Author's Name Zhen Wang  
9th Author's Affiliation National Institute of Information and Communications Technology (NICT)
10th Author's Name Masahide Sasaki  
10th Author's Affiliation National Institute of Information and Communications Technology (NICT)
11th Author's Name Akio Tajima  
11th Author's Affiliation NEC Corporation (NEC)
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Speaker Author-1 
Date Time 2012-01-26 14:55:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2011-111 
Volume (vol) vol.111 
Number (no) no.411 
Page pp.35-38 
#Pages 4 
Date of Issue 2012-01-19 (OCS) 

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