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Evolution dynamics of discrete-continuous light bullets

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10.1103/PhysRevA.84.013836
 
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Cita com:
hdl:2117/105673

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Eilenberger, F.
Minardi, Stefano
Szameit, Alexander
Roepke, Ulrich
Kobelke, J.
Schuster, K.
Bartelt, H.
Nolte, Stefan
Torner Sabata, LluísMés informacióMés informació
LEDERER, FALK
Tünnermann, Andreas
Pertsch, T.
Document typeArticle
Defense date2011-07-29
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
We experimentally and numerically investigate the propagation of light bullets (LBs) excited in two-dimensional fiber arrays. The combination of nonlinear self-frequency shift, wavelength dependence of thedispersion, and the interwaveguide coupling strength induce an adiabatic variation of the parameters of the LBsalong their propagation paths, until they reach the limits of the regime of existence and decay. The relative strengthof the various perturbative effects can partially be controlled by the array’s geometry. The characterization of theLB dynamics is carried out by implementing a spatiotemporal, cross-correlating, and spectrally resolved imagingsystem with femtosecond resolution. The experimental results are in good agreement with the numerical data ifhigher-order nonlinear effects and the wavelength dependence of the dispersion and coupling are included. Theobserved wave packets are linked to the stationary solutions of the simplified nonlinear Schr¨odinger equation.Furthermore, the maximum possible range of existence of LBs in arrays of waveguides is discussed.
CitationEilenberger, F., Minardi, S., Szameit, A., Roepke, U., Kobelke, J., Schuster, K., Bartelt, H., Nolte, S., Torner, L., LEDERER, F., Tuennermann, A., Pertsch, T. Evolution dynamics of discrete-continuous light bullets. "Physical review A", 29 Juliol 2011, vol. 84, núm. 1, p. 1-10. 
URIhttp://hdl.handle.net/2117/105673
DOI10.1103/PhysRevA.84.013836
ISSN1050-2947
Publisher versionhttp://pra.aps.org/abstract/PRA/v84/i1/e013836
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  • Departament de Teoria del Senyal i Comunicacions - Articles de revista [2.636]
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