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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 24 — Dec. 15, 2013
  • pp: 5276–5279

Purely nonlinear disorder-induced localizations and their parametric amplification

Viola Folli, Katia Gallo, and Claudio Conti  »View Author Affiliations


Optics Letters, Vol. 38, Issue 24, pp. 5276-5279 (2013)
http://dx.doi.org/10.1364/OL.38.005276


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Abstract

We investigate spatial localization in a quadratic nonlinear medium in the presence of randomness. By means of numerical simulations and theoretical analyses we show that, in the down conversion regime, the transverse random modulation of the nonlinear susceptibility generates localizations of the fundamental wave that grow exponentially in propagation. The localization length is optically controlled by the pump intensity that determines the amplification rate. The results also apply to cubic nonlinearities.

© 2013 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.0190) Nonlinear optics : Nonlinear optics
(190.4400) Nonlinear optics : Nonlinear optics, materials

ToC Category:
Nonlinear Optics

History
Original Manuscript: September 12, 2013
Revised Manuscript: November 7, 2013
Manuscript Accepted: November 8, 2013
Published: December 4, 2013

Citation
Viola Folli, Katia Gallo, and Claudio Conti, "Purely nonlinear disorder-induced localizations and their parametric amplification," Opt. Lett. 38, 5276-5279 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-24-5276


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