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Paper Abstract and Keywords
Presentation 2005-04-20 13:30
[Invited Talk] Field trial of a quantum cryptosystem over 96 km installed fibers
Junichi Abe, Toshio Hasegawa, Tsuyoshi Nishioka, Hirokazu Ishizuka, Katsuhiro Shimizu, Mitsuru Matsui (Mitsubishi Electric Corp.)
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, there have been many reports on experimental demonstrations of quantum key distribution (QKD). Most of these demonstrations, however, were performed in laboratories. In this report, we describe a field trial of a quantum cryptosystem over installed fibers of Japan gigabit network II (JGNII). We used a classical channel for synchronization and status-communication for stability of the system as well as a quantum channel for photons. We have successfully demonstrated 96 km transmission between Dojima (Osaka) – Keihanna (Kyoto), and achieved 8.2 bps and quantum bit-error rate of 9.9% at m (average photon number)=0.1 photons/pulse.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum Cryptography / Quantum Key Distribution / Quantum Information Technology / Photon-counting / Field Trial / Error Correction / Privacy Amplification /  
Reference Info. IEICE Tech. Rep., vol. 105, no. 8, PN2005-4, pp. 19-24, April 2005.
Paper # PN2005-4 
Date of Issue 2005-04-13 (PN) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee PN  
Conference Date 2005-04-20 - 2005-04-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Electric-Commications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet and Photonic network applications, etc. 
Paper Information
Registration To PN 
Conference Code 2005-04-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Field trial of a quantum cryptosystem over 96 km installed fibers 
Sub Title (in English)  
Keyword(1) Quantum Cryptography  
Keyword(2) Quantum Key Distribution  
Keyword(3) Quantum Information Technology  
Keyword(4) Photon-counting  
Keyword(5) Field Trial  
Keyword(6) Error Correction  
Keyword(7) Privacy Amplification  
Keyword(8)  
1st Author's Name Junichi Abe  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
2nd Author's Name Toshio Hasegawa  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
3rd Author's Name Tsuyoshi Nishioka  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
4th Author's Name Hirokazu Ishizuka  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
5th Author's Name Katsuhiro Shimizu  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
6th Author's Name Mitsuru Matsui  
6th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
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Speaker Author-1 
Date Time 2005-04-20 13:30:00 
Presentation Time 45 minutes 
Registration for PN 
Paper # PN2005-4 
Volume (vol) vol.105 
Number (no) no.8 
Page pp.19-24 
#Pages 6 
Date of Issue 2005-04-13 (PN) 

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