Observation of a gradient catastrophe generating solitons

Conti, Claudio, Fratalocchi, Andrea, Peccianti, Marco, Ruocco, Giancarlo and Trillo, Stefano (2009) Observation of a gradient catastrophe generating solitons. Physical Review Letters, 102 (8). 083902. ISSN 0031-9007

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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.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics > QC0350 Optics. Light
T Technology > TA Engineering (General). Civil engineering (General) > TA1501 Applied optics. Photonics
Depositing User: Marco Peccianti
Date Deposited: 11 Sep 2013 13:34
Last Modified: 11 Nov 2019 11:00
URI: http://sro.sussex.ac.uk/id/eprint/46116

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