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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 10 — Oct. 1, 2007
  • pp: 2702–2706

Enhanced optical communication and broadband sub-shot-noise interferometry with a stable free-running periodically poled KTiOPO 4 squeezer

Daruo Xie, Matthew Pysher, Jietai Jing, and Olivier Pfister  »View Author Affiliations


JOSA B, Vol. 24, Issue 10, pp. 2702-2706 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002702


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Abstract

An intrinsically stable type I optical parametric oscillator was built with a periodically poled KTiOPO 4 crystal to generate a stable, bright, cw, broadband phase-squeezed beam. A 3.2 dB sensitivity enhancement of optical interferometry was demonstrated on weak electro-optic modulation signals within a 20 MHz squeezing bandwidth. This also realized a channel capacity increase beyond that of coherent optical communication.

© 2007 Optical Society of America

OCIS Codes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(270.1670) Quantum optics : Coherent optical effects
(270.6570) Quantum optics : Squeezed states

ToC Category:
Quantum Optics

History
Original Manuscript: June 6, 2007
Manuscript Accepted: July 31, 2007
Published: September 21, 2007

Citation
Daruo Xie, Matthew Pysher, Jietai Jing, and Olivier Pfister, "Enhanced optical communication and broadband sub-shot-noise interferometry with a stable free-running periodically poled KTiOPO4 squeezer," J. Opt. Soc. Am. B 24, 2702-2706 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-10-2702

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