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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 19 — Oct. 1, 2009
  • pp: 3003–3005

Nonlinear focusing and defocusing of partially coherent spatial beams

Can Sun, Dmitry V. Dylov, and Jason W. Fleischer  »View Author Affiliations


Optics Letters, Vol. 34, Issue 19, pp. 3003-3005 (2009)
http://dx.doi.org/10.1364/OL.34.003003


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Abstract

We consider the propagation of a partially coherent spatial beam in both self-focusing and self-defocusing nonlinear media. Using a Gaussian–Schell model, we derive an equation governing the width of highly incoherent beams as they propagate in both types of media and confirm its validity by using numerical simulations. Experiments performed in a biased photorefractive crystal match the predicted scaling.

© 2009 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(260.5950) Physical optics : Self-focusing

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 5, 2009
Revised Manuscript: June 25, 2009
Manuscript Accepted: July 9, 2009
Published: September 29, 2009

Citation
Can Sun, Dmitry V. Dylov, and Jason W. Fleischer, "Nonlinear focusing and defocusing of partially coherent spatial beams," Opt. Lett. 34, 3003-3005 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-19-3003


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