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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 2 — Jan. 15, 2007
  • pp: 175–177

Effective signal-to-noise ratio improvement by parametric image amplification

Fabrice Devaux, Jean Luc Blanchet, and Eric Lantz  »View Author Affiliations

Optics Letters, Vol. 32, Issue 2, pp. 175-177 (2007)

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We show experimentally that parametric optical preamplification greatly improves the signal-to-noise ratio of an image if the detector has a poor quantum efficiency and/or a great level of readout noise. Results are fully consistent with the theory of quantum-noise-limited amplification.

© 2006 Optical Society of America

OCIS Codes
(110.4280) Imaging systems : Noise in imaging systems
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(270.5290) Quantum optics : Photon statistics
(270.5570) Quantum optics : Quantum detectors

ToC Category:
Quantum Optics

Original Manuscript: July 25, 2006
Revised Manuscript: September 15, 2006
Manuscript Accepted: October 12, 2006
Published: December 23, 2006

Fabrice Devaux, Jean Luc Blanchet, and Eric Lantz, "Effective signal-to-noise ratio improvement by parametric image amplification," Opt. Lett. 32, 175-177 (2007)

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  2. For a review of classical aspects of parametric image amplification, see E. Lantz and F. Devaux, Quantum Semiclassic. Opt. 9, 279 (1997).
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  9. A. Mosset, F. Devaux, G. Fanjoux, and E. Lantz, Eur. Phys. J. D 28, 447 (2004). [CrossRef]

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