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Experimental study on quantum data stream cipher using homodyne detection

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4 Author(s)
Yuan Lu ; Chongqing Commun. Inst., Chongqing, China ; Zhao Jia ; Wenchao Dai ; Guihua Zeng

In this paper, we report an experimental implementation of quantum noise protected data cipher system using weak coherent light field based on an all-fiber dual unbalance beam Mach-Zehnder interferometer. The secure communication can be realized with a 450kb/s modulation rate over 27 km of optical fiber.

Published in:

Computer Science and Information Processing (CSIP), 2012 International Conference on

Date of Conference:

24-26 Aug. 2012