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Adiabatic self-focusing in media with spatially variable nonlinearity |
Optics Letters, Vol. 36, Issue 19, pp. 3843-3845 (2011)
http://dx.doi.org/10.1364/OL.36.003843
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Abstract
An optical medium whose nonlinearity can be spatially adjusted is considered to study beam reshaping. The concept is applied to perform adiabatic self-focusing of broad beams. Experimental results are obtained in a photorefractive lithium niobate crystal where the self-focusing nonlinearity is controlled over propagation by a temperature gradient. As a demonstration, gradual self-focusing is shown to transform an incoming beam into an output circular spot 10 times smaller over a
© 2011 Optical Society of America
OCIS Codes
(160.5320) Materials : Photorefractive materials
(190.5330) Nonlinear optics : Photorefractive optics
(260.5950) Physical optics : Self-focusing
ToC Category:
Nonlinear Optics
History
Original Manuscript: June 23, 2011
Revised Manuscript: August 29, 2011
Manuscript Accepted: September 6, 2011
Published: September 26, 2011
Citation
Luai Al Fares, Fabrice Devaux, and Mathieu Chauvet, "Adiabatic self-focusing in media with spatially variable nonlinearity," Opt. Lett. 36, 3843-3845 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-19-3843
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