Auto-compensating Quantum Cryptosystem using Homodyne Detection

Q. Xu; M. B. Costa e Silva; P. Gallion; F. J. Mendieta

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference
OSA Technical Digest (CD) (Optica Publishing Group, 2008),
paper JWA49

Auto-compensating Quantum Cryptosystem using Homodyne Detection

Q. Xu, M. B. Costa e Silva, P. Gallion, and F. J. Mendieta

Optical Fiber Communication Conference 2008

San Diego, California United States
24–28 February 2008
ISBN: 978-1-55752-859-9

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Joint Poster Session I (JWA)

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Q. Xu, M. B. Costa e Silva, P. Gallion, and F. J. Mendieta, "Auto-compensating Quantum Cryptosystem using Homodyne Detection," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optica Publishing Group, 2008), paper JWA49.

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Abstract

We implement an experimental quantum cryptosystem using standard 1550nm channel devices with auto-compensation for phase instabilities in which balanced homodyne detection employs a time-multiplexed strong reference. We use a dual-threshold to improve QBER.

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