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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 14 — Jul. 15, 2007
  • pp: 1983–1985

Constructive action of the speckle noise in a coherent imaging system

Solenna Blanchard, David Rousseau, Denis Gindre, and François Chapeau-Blondeau  »View Author Affiliations

Optics Letters, Vol. 32, Issue 14, pp. 1983-1985 (2007)

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A coherent imaging system with speckle noise is devised and analyzed. This demonstrates the possibility of improving the nonlinear transmission of a coherent image by increasing the level of the multiplicative speckle noise. This noise-assisted image transmission is a novel instance of stochastic resonance phenomena by which nonlinear signal processing benefits from a constructive action of noise.

© 2007 Optical Society of America

OCIS Codes
(000.2690) General : General physics
(030.4280) Coherence and statistical optics : Noise in imaging systems
(030.6140) Coherence and statistical optics : Speckle
(100.2000) Image processing : Digital image processing
(110.2970) Imaging systems : Image detection systems
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging

ToC Category:
Coherence and Statistical Optics

Original Manuscript: April 3, 2007
Revised Manuscript: May 23, 2007
Manuscript Accepted: May 24, 2006
Published: July 3, 2007

Solenna Blanchard, David Rousseau, Denis Gindre, and François Chapeau-Blondeau, "Constructive action of the speckle noise in a coherent imaging system," Opt. Lett. 32, 1983-1985 (2007)

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