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Paper Abstract and Keywords
Presentation 2014-11-17 13:30
[Poster Presentation] Continuos Variable Quantum Key Distribution system for high-speed operation
Yusuke Oguri, Vanou Ishii, Takuto Matsubara, Tsubasa Ichikawa, Takuya Hirano (Gakushuin Univ.), Kenta Kasai, Ryutaroh Matsumoto (Tokyo Tech.), Toyohiro Tsurumaru (Mitsubishi Electric)
Abstract (in Japanese) (See Japanese page) 
(in English) We report an experimental implementation of a continuous variable quantum key distribution (CV-QKD) protocol with discrete modulations together with postselection of the homodyne measurement outcomes. Our experimental system is composed of fiber devices for optical communications. The postprocessing (postselection, error correction and privacy amplification) is performed by a software program. By using this system, we demonstrated CV-QKD over 10km optical fiber using pulsed laser with repetition rate of 10MHz, which is much higher than previous CV-QKD systems.
Keyword (in Japanese) (See Japanese page) 
(in English) quantum key distribution / continuos variable / / / / / /  
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Conference Information
Committee QIT  
Conference Date 2014-11-17 - 2014-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2014-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Continuos Variable Quantum Key Distribution system for high-speed operation 
Sub Title (in English)  
Keyword(1) quantum key distribution  
Keyword(2) continuos variable  
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1st Author's Name Yusuke Oguri  
1st Author's Affiliation Gakushuin University (Gakushuin Univ.)
2nd Author's Name Vanou Ishii  
2nd Author's Affiliation Gakushuin University (Gakushuin Univ.)
3rd Author's Name Takuto Matsubara  
3rd Author's Affiliation Gakushuin University (Gakushuin Univ.)
4th Author's Name Tsubasa Ichikawa  
4th Author's Affiliation Gakushuin University (Gakushuin Univ.)
5th Author's Name Takuya Hirano  
5th Author's Affiliation Gakushuin University (Gakushuin Univ.)
6th Author's Name Kenta Kasai  
6th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
7th Author's Name Ryutaroh Matsumoto  
7th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
8th Author's Name Toyohiro Tsurumaru  
8th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2014-11-17 13:30:00 
Presentation Time 90 minutes 
Registration for QIT 
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