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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 5 — Mar. 1, 2013
  • pp: 622–624

Decoy-state quantum key distribution with nonclassical light generated in a one-dimensional waveguide

Huaixiu Zheng, Daniel J. Gauthier, and Harold U. Baranger  »View Author Affiliations

Optics Letters, Vol. 38, Issue 5, pp. 622-624 (2013)

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We investigate a decoy-state quantum key distribution (QKD) scheme with a sub-Poissonian single-photon source, which is generated on demand by scattering a coherent state off a two-level system in a one-dimensional waveguide. We show that, compared to coherent state decoy-state QKD, there is a two-fold increase of the key generation rate. Furthermore, the performance is shown to be robust against both parameter variations and loss effects of the system.

© 2013 Optical Society of America

OCIS Codes
(270.5290) Quantum optics : Photon statistics
(270.5565) Quantum optics : Quantum communications
(270.5568) Quantum optics : Quantum cryptography

ToC Category:
Quantum Optics

Original Manuscript: October 5, 2012
Revised Manuscript: November 29, 2012
Manuscript Accepted: January 16, 2013
Published: February 21, 2013

Huaixiu Zheng, Daniel J. Gauthier, and Harold U. Baranger, "Decoy-state quantum key distribution with nonclassical light generated in a one-dimensional waveguide," Opt. Lett. 38, 622-624 (2013)

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