Friday, August 06, 2004

Stability of Phase-modulated Quantum Key Distribution System

Title: Stability of Phase-modulated Quantum Key Distribution System
Authors: Zheng-Fu Han, Xiao-Fan Mo, You-Zhen Gui, Guang-Can Guo
Comments: 9 pages, 3 figues\Phase drift and random fluctuation of interference visibility in doubleunbalanced M-Z QKD system are observed and distinguished. It has been foundthat the interference visibilities are influenced deeply by the disturbance oftransmission fiber. Theory analysis shows that the fluctuation is derived fromthe envioronmental disturbance on polarization characteristic of fiber,especially including transmission fiber. Finally, stability conditions ofone-way anti-disturbed M-Z QKD system are given out, which provides atheoretical guide in pragmatic anti-disturbed QKD.\ ( , 372kb)


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At 19 January 2006 at 20:26, Blogger Marian said...

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