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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 2 — Jan. 15, 2007
  • pp: 178–180

Strong relative intensity squeezing by four-wave mixing in rubidium vapor

C. F. McCormick, V. Boyer, E. Arimondo, and P. D. Lett  »View Author Affiliations

Optics Letters, Vol. 32, Issue 2, pp. 178-180 (2007)

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We have measured 3.5 dB ( 8.1 dB corrected for losses) relative intensity squeezing between probe and conjugate beams generated by stimulated, nondegenerate four-wave mixing in hot rubidium vapor. Unlike early observations of squeezing in atomic vapors based on saturation of a two-level system, our scheme uses a resonant nonlinearity based on ground-state coherences in a three-level system. Since this scheme produces narrowband, squeezed light near an atomic resonance, it is of interest for experiments involving cold atoms or atomic ensembles.

© 2006 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(270.6570) Quantum optics : Squeezed states

ToC Category:
Quantum Optics

Original Manuscript: July 26, 2006
Manuscript Accepted: October 3, 2006
Published: December 23, 2006

C. F. McCormick, V. Boyer, E. Arimondo, and P. D. Lett, "Strong relative intensity squeezing by four-wave mixing in rubidium vapor," Opt. Lett. 32, 178-180 (2007)

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