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Skipetrov SE. Instability of speckle patterns in random media with noninstantaneous Kerr nonlinearity. Opt Lett. 2003;28(8):646-8doi: 10.1364/ol.28.000646.
Skipetrov, S. E. (2003). Instability of speckle patterns in random media with noninstantaneous Kerr nonlinearity. Optics letters, 28(8), 646-8. https://doi.org/10.1364/ol.28.000646
Skipetrov, S E. "Instability of speckle patterns in random media with noninstantaneous Kerr nonlinearity." Optics letters vol. 28,8 (2003): 646-8. doi: https://doi.org/10.1364/ol.28.000646
Skipetrov SE. Instability of speckle patterns in random media with noninstantaneous Kerr nonlinearity. Opt Lett. 2003 Apr 15;28(8):646-8. doi: 10.1364/ol.28.000646. PMID: 12703928.
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Opt Lett. 2003 Apr 15;28(8):646-8. doi: 10.1364/ol.28.000646.

Instability of speckle patterns in random media with noninstantaneous Kerr nonlinearity.

Optics letters

S E Skipetrov

Affiliations

  1. Laboratoire de Physique et Modélisation des Milieux Condenses, Centre National de la Recherche Scientifique, 38042 Grenoble, France. [email protected]

PMID: 12703928 DOI: 10.1364/ol.28.000646

Abstract

The onset of instability of a multiple-scattering speckle pattern in a random medium with Kerr nonlinearity is significantly affected by the noninstantaneous character of the nonlinear medium's response. The fundamental time scale of the spontaneous speckle dynamics beyond the instability threshold is set by the larger of times TD and tau(NL), where TD is the time required for the multiply scattered waves to propagate through the random sample and tau(NL) is the relaxation time of the nonlinearity. The inertial nature of the nonlinearity should complicate the experimental observation of the instability phenomenon.

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