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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 25 — Dec. 12, 2005
  • pp: 9961–9969

Quantum key distribution over an installed multimode optical fiber local

Naoto Namekata, Shigehiko Mori, and Shuichiro Inoue  »View Author Affiliations

Optics Express, Vol. 13, Issue 25, pp. 9961-9969 (2005)

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We have investigated the possibility of a multimode fiber link for a quantum channel. Transmission of light in an extremely underfilled mode distribution promises a single-mode–like behavior in the multimode fiber. To demonstrate the performance of the fiber link we performed quantum key distribution, on the basis of the BB84 four-state protocol, over 550 m of an installed multimode optical fiber local area network, and the quantum-bit-error rate of 1.09 % was achieved.

© 2005 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(040.5570) Detectors : Quantum detectors
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(270.0270) Quantum optics : Quantum optics

ToC Category:
Research Papers

Naoto Namekata, Shigehiko Mori, and Shuichiro Inoue, "Quantum key distribution over an installed multimode optical fiber local area network," Opt. Express 13, 9961-9969 (2005)

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