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Conference Paper
CLEO: Applications and Technology
Baltimore, Maryland United States
May 1-6, 2011
ISBN: 978-1-55752-910-7
Joint Symposium on Quantum Communications II: Networks (JTuC)

Practical Quantum Key Distribution Over 100 km Using Sinusoidally Gated InGaAs/InP Avalanche Photodiodes

Naoto Namekata, Hiroki Takesue, Toshimori Honjo, Yasuhiro Tokura, and Shuichiro Inoue  »View Author Affiliations


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We report on the quantum key distribution experiment using ultra-low-noise 2-GHz sinusoidally gated InGaAs/InP avalanche photodiodes. The detectors enabled us to distribute secure keys over 100 km with a bit rate of 24 kbps.

© 2011 OSA

OCIS Codes
(270.5570) Quantum optics : Quantum detectors
(270.5568) Quantum optics : Quantum cryptography

N. Namekata, H. Takesue, T. Honjo, Y. Tokura, and S. Inoue, "Practical Quantum Key Distribution Over 100 km Using Sinusoidally Gated InGaAs/InP Avalanche Photodiodes," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JTuC3.

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