Anomalous thermalization of optical waves induced by third-order dispersion effects

C. Michel; S. Randoux; P. Suret; A. Picozzi

doi:10.1117/12.881615

10 January 2011 Anomalous thermalization of optical waves induced by third-order dispersion effects

C. Michel, S. Randoux, P. Suret, A. Picozzi

Proceedings Volume 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics; 79930U (2011) https://doi.org/10.1117/12.881615
Event: International Conference on Coherent and Nonlinear Optics (ICONO 2010) and International Conference on Lasers, Applications and Technologies (LAT 2010), 2010, Kazan, Russian Federation

Abstract

Optical wave thermalization is a process characterized by an irreversible evolution of the field toward a thermodynamic equilibrium state. We study the influence of third-order dispersion on the thermalization of an optical wave propagating in a single mode optical fiber (1D nonlinear Schr¨odinger equation). The optical field exhibits a process of anomalous thermalization: It relaxes toward an equilibrium state of fundamental different nature than the thermodynamic equilibrium state. The spectrum of the wave is shown to exhibit a highly asymmetric deformation characterized by a lateral spectral shoulder and the subsequent formation of a constant spectral pedestal. The wave turbulence theory reveals that this anomalous thermalization is due to the existence of a local invariant in frequency space, which explains in detail the essential properties of the highly asymmetric spectral evolution of the wave.

Citation Download Citation

C. Michel, S. Randoux, P. Suret, and A. Picozzi "Anomalous thermalization of optical waves induced by third-order dispersion effects", Proc. SPIE 7993, ICONO 2010: International Conference on Coherent and Nonlinear Optics, 79930U (10 January 2011); https://doi.org/10.1117/12.881615

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