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Glassy behavior of light

Abstract : We study the nonlinear dynamics of a multi-mode random laser using the methods of statistical physics of disordered systems. A replica-symmetry breaking phase transition is predicted as a function of the pump intensity. We thus show that light propagating in a random non-linear medium displays glassy behavior, i.e. the photon gas has a multitude of metastable states and a non vanishing complexity, corresponding to mode-locking processes in random lasers. The present work reveals the existence of new physical phenomena, and demonstrates how nonlinear optics and random lasers can be a benchmark for the modern theory of complex systems and glasses.
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https://hal.archives-ouvertes.fr/hal-00172097
Contributor : Francesco Zamponi <>
Submitted on : Friday, September 14, 2007 - 10:23:17 AM
Last modification on : Monday, December 14, 2020 - 9:46:19 AM

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L. Angelani, C. Conti, G. Ruocco, F. Zamponi. Glassy behavior of light. Physical Review Letters, American Physical Society, 2006, 96, pp.065702. ⟨hal-00172097⟩

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