Statistical Physics Of Wave Interactions: A Unified Approach To Mode-locking And Random Lasers (springer Theses)
by Fabrizio Antenucci /
2016 / English / PDF
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This thesis reveals the utility of pursuing a statistical physics
approach in the description of wave interactions in multimode
optical systems. To that end, the appropriate Hamiltonian models
are derived and their limits of applicability are discussed. The
versatility of the framework allows the characterization of
ordered and disordered lasers in open and closed cavities in a
unified scheme, from standard mode-locking to random lasers. With
the use of replica method and Monte Carlo simulations, the models
are categorized on the basis of universal properties, and
nontrivial predictions of experimental relevance are obtained. In
particular, the approach makes it possible to nonperturbatively
treat the interplay between disorder and nonlinearity and to
envisage novel and fascinating physical phenomena such as glassy
random lasers, providing a novel way to experimentally
investigate replica symmetry breaking.
This thesis reveals the utility of pursuing a statistical physics
approach in the description of wave interactions in multimode
optical systems. To that end, the appropriate Hamiltonian models
are derived and their limits of applicability are discussed. The
versatility of the framework allows the characterization of
ordered and disordered lasers in open and closed cavities in a
unified scheme, from standard mode-locking to random lasers. With
the use of replica method and Monte Carlo simulations, the models
are categorized on the basis of universal properties, and
nontrivial predictions of experimental relevance are obtained. In
particular, the approach makes it possible to nonperturbatively
treat the interplay between disorder and nonlinearity and to
envisage novel and fascinating physical phenomena such as glassy
random lasers, providing a novel way to experimentally
investigate replica symmetry breaking.