Phase diagram and complexity of mode-locked lasers: from order to disorder

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dc.creatorLeuzzi, L.
dc.creatorConti, C.
dc.creatorFolli, V.
dc.creatorAngelani, L.
dc.creatorRuocco, G.
dc.date2008-06-17
dc.date.accessioned2026-07-07T12:53:00Z
dc.date.available2026-07-07T12:53:00Z
dc.descriptionWe investigate mode-locking processes in lasers displaying a variable degree of structural randomness, from standard optical cavities to multiple-scattering media. By employing methods mutuated from spin-glass theory, we analyze the mean-field Hamiltonian and derive a phase-diagram in terms of the pumping rate and the degree of disorder. Three phases are found: i) paramagnetic, corresponding to a noisy continuous wave emission, ii) ferromagnetic, that describes the standard passive mode-locking, and iii) the spin-glass in which the phases of the electromagnetic field are frozen in a exponentially large number of configurations. The way the mode-locking threshold is affected by the amount of disorder is quantified. The results are also relevant for other physical systems displaying a random Hamiltonian, like Bose-Einstein condensates and nonlinear optical beams.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0806.2809
dc.identifierhttp://arxiv.org/abs/0806.2809
dc.identifierPHYSICAL REVIEW LETTERS 102, 083901 (2009)
dc.identifierdoi:10.1103/PhysRevLett.102.083901
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223481
dc.subjectOptics
dc.subjectDisordered Systems and Neural Networks
dc.titlePhase diagram and complexity of mode-locked lasers: from order to disorder
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