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Physical Review Letters 105 (2010) 074101
Nonlinear supratransmission in multicomponent systems
Petrutza Anghel-Vasilescu1, Jerome Dorignac1, Frédéric Geniet1, Jerome Leon1, Majid Taki2
GDR 3073 PhoNoMi2 Collaboration(s)

A method is proposed to solve the challenging problem of determining the supratransmission threshold (onset of insability of harmonic boundary driving inside a band gap) in multicomponent non-integrable nonlinear systems. It is successfully applied to the degenerate three-wave resonant interaction in a birefrigent quadratic medium where the process generates spatial gap solitons. No analytic expression is known for such nonlinear solitary waves showing the broad applicability of the method to nonlinear systems.
1 :  LPTA - Laboratoire de Physique Théorique et Astroparticules
2 :  PhLAM - Physique des Lasers, Atomes et Molécules
Science non linéaire/Formation de Structures et Solitons
Solitons – Nonlinear Supratransmission – Birefringent medium