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Título:	Persistence and stochastic periodicity in the intensity dynamics of a fiber laser during the transition to optical turbulence
Autor/a:	Carpi, Laura C.; Masoller Alonso, Cristina
Otros autores:	Universitat Politècnica de Catalunya. Departament de Física; Universitat Politècnica de Catalunya. DONLL - Dinàmica no Lineal, Òptica no Lineal i Làsers
Abstract:	Many natural systems display transitions among different dynamical regimes, which are difficult to identify when the data are noisy and high dimensional. A technologically relevant example is a fiber laser, which can display complex dynamical behaviors that involve nonlinear interactions of millions of cavity modes. Here we study the laminar-turbulence transition that occurs when the laser pump power is increased. By applying various data analysis tools to empirical intensity time series we characterize their persistence and demonstrate that at the transition temporal correlations can be precisely represented by a surprisingly simple model.
Abstract:	Peer Reviewed
Materia(s):	-Àrees temàtiques de la UPC::Ciències de la visió::Òptica física -Àrees temàtiques de la UPC::Física -Dynamics -Nonlinear systems -Statistical physics -Brownian motion -Degree distributions -Fiber lasers -Spatiotemporal chaos -Stochastic processes -Dinàmica -Sistemes no lineals -Física estadística
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Tipo de documento:	Artículo - Versión presentada Artículo
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