Generation of light from a 1D random sequence of nonlinear domains

Xavier Vidal; Jordi Martorell

doi:10.1117/12.663147

18 April 2006 Generation of light from a 1D random sequence of nonlinear domains

Xavier Vidal, Jordi Martorell

Proceedings Volume 6182, Photonic Crystal Materials and Devices III (i.e. V); 61822M (2006) https://doi.org/10.1117/12.663147
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

In dielectric structures such as photonic crystals that combine two types of materials it is likely that one may find a large degree of disorder. This is also true for nonlinear photonic crystals that combine two different orientations of the same material or a nonlinear with a linear material. Such a disorder may not always be detrimental for the propagation or generation of light. In the present work, we consider second harmonic generation in one-dimensional disordered nonlinear structures. When considering a random sequence of two different orientations of the same material, we show that second harmonic generation does not vanish but instead it exhibits a linear grow with respect to the number of domains considered. In structures that combine a nonlinear with a linear material, even when a large degree of disorder is introduced by allowing an extremely large dispersion in the size of the domains, the coherence of such second order nonlinear process is shown to survive.

Citation Download Citation

Xavier Vidal and Jordi Martorell "Generation of light from a 1D random sequence of nonlinear domains", Proc. SPIE 6182, Photonic Crystal Materials and Devices III (i.e. V), 61822M (18 April 2006); https://doi.org/10.1117/12.663147

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