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Three-dimensional light bullets in arrays of waveguides

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10.1103/PhysRevLett.105.263901
 
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hdl:2117/105677

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Minardi, Stefano
Eilenberger, F.
Kartashov, Yaroslav V.
Szameit, Alexander
Röpke, U.
Kobelke, J.
Schuster, K.
Bartelt, H.
Nolte, Stefan
Torner Sabata, LluísMés informacióMés informació
LEDERER, FALK
Tünnermann, A.
Pertsch, T.
Document typeArticle
Defense date2010-12-20
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 report the first experimental observation of three-dimensional light bullets, excited by femtosecond pulses in a system featuring quasi-instantaneous cubic nonlinearity and a periodic, transversally modulated refractive index. Stringent evidence of the excitation of light bullets is based on time-gated images and spectra which perfectly match our numerical simulations. Furthermore, we reveal a novel evolution mechanism forcing the light bullets to follow varying dispersion or diffraction conditions, until they leave their existence range and decay.
CitationMinardi, S., Eilenberger, F., Kartashov, Y.V., Szameit, A., Röpke, U., Kobelke, J., Schuster, K., Bartelt, H., Nolte, S., Torner, L., LEDERER, F., Tünnermann, A., Pertsch, T. Three-dimensional light bullets in arrays of waveguides. "Physical review letters", 20 Desembre 2010, vol. 105, núm. 26, p. 1-4. 
URIhttp://hdl.handle.net/2117/105677
DOI10.1103/PhysRevLett.105.263901
ISSN0031-9007
Publisher versionhttp://prl.aps.org/pdf/PRL/v105/i26/e263901
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