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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 2 — Feb. 1, 2007
  • pp: 335–339

Bichromatic local oscillator for detection of two-mode squeezed states of light

Alberto M. Marino, C. R. Stroud, Jr., Vincent Wong, Ryan S. Bennink, and Robert W. Boyd  »View Author Affiliations

JOSA B, Vol. 24, Issue 2, pp. 335-339 (2007)

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We present a new technique for the detection of two-mode squeezed states of light that allows for a simple characterization of these quantum states even for arbitrary frequency separation between the modes. The proposed technique is based on the use of a bichromatic field as the local oscillator in a balanced heterodyne measurement scheme. By the proper selection of the frequencies of the bichromatic field, it is possible to arbitrarily select the frequency around which the squeezing information is located, thus making it possible to use a low-bandwidth detection system and to move away from any excess noise present in the system.

© 2007 Optical Society of America

OCIS Codes
(040.2840) Detectors : Heterodyne
(270.5570) Quantum optics : Quantum detectors
(270.6570) Quantum optics : Squeezed states

ToC Category:
Continuous Variable

Original Manuscript: August 18, 2006
Revised Manuscript: October 4, 2006
Manuscript Accepted: October 5, 2006
Published: January 26, 2007

Alberto M. Marino, C. R. Stroud, Jr., Vincent Wong, Ryan S. Bennink, and Robert W. Boyd, "Bichromatic local oscillator for detection of two-mode squeezed states of light," J. Opt. Soc. Am. B 24, 335-339 (2007)

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