Dynamic effect of phase conjugation on wave localization

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dc.creatorvan Bemmel, K. J. H.
dc.creatorTitov, M.
dc.creatorBeenakker, C. W. J.
dc.date2001-10-19
dc.date.accessioned2026-07-07T02:43:13Z
dc.date.available2026-07-07T02:43:13Z
dc.descriptionWe investigate what would happen to the time dependence of a pulse reflected by a disordered single-mode waveguide, if it is closed at one end not by an ordinary mirror but by a phase-conjugating mirror. We find that the waveguide acts like a virtual cavity with resonance frequency equal to the working frequency omega_0 of the phase-conjugating mirror. The decay in time of the average power spectrum of the reflected pulse is delayed for frequencies near omega_0. In the presence of localization the resonance width is tau_s^{-1}exp(-L/l), with L the length of the waveguide, l the mean free path, and tau_s the scattering time. Inside this frequency range the decay of the average power spectrum is delayed up to times t simeq tau_s exp(L/l).
dc.description10 pages including 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0110419
dc.identifierhttp://arxiv.org/abs/cond-mat/0110419
dc.identifierPhys.Rev.B 65, 174203 (2002)
dc.identifierdoi:10.1103/PhysRevB.65.174203
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18414
dc.subjectDisordered Systems and Neural Networks
dc.subjectOptics
dc.titleDynamic effect of phase conjugation on wave localization
dc.typetext

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