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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 7 — Apr. 1, 2009
  • pp: 1099–1101

Observation of bipartite correlations using coherent light for optical communication

Kim Fook Lee  »View Author Affiliations

Optics Letters, Vol. 34, Issue 7, pp. 1099-1101 (2009)

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Bipartite polarization correlations of two distant observers are observed by using coherent noise interferences. This is accomplished by mixing a vertically polarized coherent light field with a horizontally polarized coherent noise field in a 50 50 beam splitter. The superposed light fields at each output port of the beam splitter are sent to two observers and then manipulated by using a quarter-wave plate and an analyzer. The bipartite correlations between the projection angles of two distant observers are established by analyzing their data through multiplication without any postselection technique. The scheme can be used to implement entanglement-based quantum cryptography in the future.

© 2009 Optical Society of America

OCIS Codes
(000.1600) General : Classical and quantum physics
(030.1640) Coherence and statistical optics : Coherence
(060.5565) Fiber optics and optical communications : Quantum communications

ToC Category:
Coherence and Statistical Optics

Original Manuscript: January 29, 2009
Revised Manuscript: February 26, 2009
Manuscript Accepted: February 27, 2009
Published: March 30, 2009

Kim Fook Lee, "Observation of bipartite correlations using coherent light for optical communication," Opt. Lett. 34, 1099-1101 (2009)

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