Observation of a gradient catastrophe generating solitons

Claudio Conti; Andrea Fratalocchi; Marco Peccianti; Giancarlo Ruocco; Stefano Trillo

doi:10.1103/PhysRevLett.102.083902

Observation of a gradient catastrophe generating solitons

Claudio Conti^*, Andrea Fratalocchi, Marco Peccianti, Giancarlo Ruocco, Stefano Trillo

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

145 Scopus citations

Abstract

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.

Original language	English (US)
Article number	083902
Journal	Physical Review Letters
Volume	102
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.102.083902
State	Published - Feb 23 2009
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.102.083902

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title = "Observation of a gradient catastrophe generating solitons",

abstract = "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.",

author = "Claudio Conti and Andrea Fratalocchi and Marco Peccianti and Giancarlo Ruocco and Stefano Trillo",

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language = "English (US)",

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AU - Conti, Claudio

AU - Fratalocchi, Andrea

AU - Peccianti, Marco

AU - Ruocco, Giancarlo

AU - Trillo, Stefano

PY - 2009/2/23

Y1 - 2009/2/23

N2 - 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.

AB - 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.

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DO - 10.1103/PhysRevLett.102.083902

M3 - Article

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JO - Physical Review Letters

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Observation of a gradient catastrophe generating solitons

Abstract

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