Filamentation-induced spectral broadening and pulse shortening of infrared pulses in Tellurite glass

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TitreFilamentation-induced spectral broadening and pulse shortening of infrared pulses in Tellurite glass
Type de publicationJournal Article
Year of Publication2016
AuteursBejot P., Billard F., Peureux C., Diard T., Picot-Clemente J., Strutynski C., Mathey P., Mouawad O., Faucher O., Nagasaka K., Ohishi Y., Smektala F.
JournalOPTICS COMMUNICATIONS
Volume380
Pagination245-249
Date PublishedDEC 1
Type of ArticleArticle
ISSN0030-4018
Mots-clésfilamentation, infrared glasses, Infrared transmitting materials, optical materials, self-focusing, Ultrafast processes
Résumé

Filamentation of infrared femtosecond pulses in Tellurite glass is reported, leading to the generation of a supercontinuum generation spanning from the visible up to 4 mu m. The angular distribution of the supercontinuum shows clear evidence of conical waves generation, in particular, in the visible region. Moreover, taking advantage of the spatio-temporal self-focusing effect occurring in the Tellurite glass, a twofold pulse shortening is demonstrated. Tellurite glass appears as a very convenient, versatile and promising medium for femtosecond nonlinear optics in the infrared region. (C) 2016 Elsevier B.V. All rights reserved.

DOI10.1016/j.optcom.2016.06.003