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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 2, Iss. 3 — Feb. 2, 1998
  • pp: 84–92

Measurement of quantum-noise correlations in parametric image amplification

Michael L. Marable, Sang-Kyung Choi, and Prem Kumar  »View Author Affiliations


Optics Express, Vol. 2, Issue 3, pp. 84-92 (1998)
http://dx.doi.org/10.1364/OE.2.000084


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Abstract

We demonstrate quantum-noise correlations between the spatial frequencies of a parametrically amplified signal image and the generated conjugate (idler) image. Test images were amplified by an optical parametric amplifier that can be operated either as a low-pass or a band-pass amplifier for spatial frequencies. Direct difference detection of the signal and idler spatial frequencies at ±16 mm-1 resulted in noise that fell below the shot-noise level by ≃5 dB. Parametric-gain and phase-mismatch dependence of the observed quantum-noise reduction is in good agreement with the theory of a spatially-broadband optical parametric amplifier.

© Optical Society of America

OCIS Codes
(110.4280) Imaging systems : Noise in imaging systems
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(270.6570) Quantum optics : Squeezed states

ToC Category:
Focus Issue: Experiments on generation and application of quantum light states

History
Original Manuscript: November 20, 1997
Published: February 2, 1998

Citation
Michael Marable, Sang Kyung Choi, and Prem Kumar, "Measurement of quantum-noise correlations in parametric image amplification," Opt. Express 2, 84-92 (1998)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-2-3-84


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