Tailoring wave nonlinearity through spatial composites

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We propose and demonstrate theoretically a method to achieve and design optical nonlinear responses through a light-mediated spatial hybridization of different standard nonlinearities. The mechanism is based on the fact that optical propagation through a spatial composite of different nonlinear media is governed by an effective nonlinear response if the spatial scale of the sequence is much smaller than the light diffraction length. We apply our general approach to the significant case of centrosymmetric photorefractive crystal biased by a periodically modulated external voltage to predict strictly bending-free miniaturized soliton propagation.
4 pages, 2 figures

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Optics

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http://salesiana.dossiersoluciones.com/handle/123456789/159433

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0804.3687
 http://arxiv.org/abs/0804.3687

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arXiv