6533b7cffe1ef96bd1258f91

RESEARCH PRODUCT

Truncated thermalization of incoherent optical waves through supercontinuum generation in photonic crystal fibers

Antonio PicozziBertrand KiblerBenoît BarviauGuy MillotJosselin GarnierGang Xu

subject

PhysicsSpectral shape analysisbusiness.industryThermodynamic equilibriumComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKSPhysics::Optics01 natural sciencesMolecular physicsAtomic and Molecular Physics and OpticsSpectral lineSupercontinuum010309 optics[MATH.MATH-PR]Mathematics [math]/Probability [math.PR]Nonlinear systemThermalisationOptics0103 physical sciences010306 general physicsbusinessGeneralLiterature_REFERENCE(e.g.dictionariesencyclopediasglossaries)[ MATH.MATH-PR ] Mathematics [math]/Probability [math.PR]ComputingMilieux_MISCELLANEOUSUltraviolet catastrophePhotonic-crystal fiberMathematicsofComputing_DISCRETEMATHEMATICS

description

We revisit the process of optical wave thermalization through supercontinuum generation in photonic crystal fibers. We report theoretically and numerically a phenomenon of `truncated thermalization': The incoherent optical wave exhibits an irreversible evolution toward a Rayleigh-Jeans thermodynamic equilibrium state characterized by a compactly supported spectral shape. The theory then reveals the existence of a frequency cut-off which regularizes the ultraviolet catastrophe inherent to ensembles of classical nonlinear waves. This phenomenon sheds new light on the mechanisms underlying the formation of bounded supercontinuum spectra in photonic crystal fibers.

yearjournalcountryeditionlanguage
2013-03-11
https://hal.archives-ouvertes.fr/hal-00839503