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Observation of a gradient catastrophe generating solitons

journal contribution
posted on 2023-06-08, 15:39 authored by Claudio Conti, Andrea Fratalocchi, Marco Peccianti, Giancarlo Ruocco, Stefano Trillo
We investigate the propagation of a dark beam in a defocusing medium in the strong nonlinear regime. We observe for the first time a shock fan filled with noninteracting one-dimensional gray solitons that emanates from a gradient catastrophe developing around a null of the optical intensity. This scenario turns out to be very robust, persisting also when the material nonlocal response averages the nonlinearity over dimensions much larger than the emerging soliton filaments.

History

Publication status

  • Published

File Version

  • Published version

Journal

Physical Review Letters

ISSN

0031-9007

Publisher

American Physical Society

Issue

8

Volume

102

Page range

083902

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2013-09-11

First Compliant Deposit (FCD) Date

2013-09-11

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