Modulational instability and solitons in nonlocal media with competing nonlinearities

B. K. Esbensen; A. Wlotzka; Morten Bache; Ole Bang; W. Krolikowski

doi:10.1103/PhysRevA.84.053854

Modulational instability and solitons in nonlocal media with competing nonlinearities

B. K. Esbensen, A. Wlotzka, Morten Bache, Ole Bang, W. Krolikowski

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Abstract

We investigate analytically and numerically propagation and spatial localization of light in nonlocal media with competing nonlinearities. In particular, we discuss conditions for the modulational instability of plane waves and formation of spatial solitons. We show that the competing focusing and defocusing nonlinearities enable coexistence of dark or bright spatial solitons in the same medium by varying the intensity of the beam.

Original language	English
Journal	Physical Review A
Volume	84
Issue number	5
Pages (from-to)	053854
Number of pages	7
ISSN	2469-9926
DOIs	https://doi.org/10.1103/PhysRevA.84.053854
Publication status	Published - 2011

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title = "Modulational instability and solitons in nonlocal media with competing nonlinearities",

abstract = "We investigate analytically and numerically propagation and spatial localization of light in nonlocal media with competing nonlinearities. In particular, we discuss conditions for the modulational instability of plane waves and formation of spatial solitons. We show that the competing focusing and defocusing nonlinearities enable coexistence of dark or bright spatial solitons in the same medium by varying the intensity of the beam.",

author = "Esbensen, {B. K.} and A. Wlotzka and Morten Bache and Ole Bang and W. Krolikowski",

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T1 - Modulational instability and solitons in nonlocal media with competing nonlinearities

AU - Esbensen, B. K.

AU - Wlotzka, A.

AU - Bache, Morten

AU - Bang, Ole

AU - Krolikowski, W.

PY - 2011

Y1 - 2011

N2 - We investigate analytically and numerically propagation and spatial localization of light in nonlocal media with competing nonlinearities. In particular, we discuss conditions for the modulational instability of plane waves and formation of spatial solitons. We show that the competing focusing and defocusing nonlinearities enable coexistence of dark or bright spatial solitons in the same medium by varying the intensity of the beam.

AB - We investigate analytically and numerically propagation and spatial localization of light in nonlocal media with competing nonlinearities. In particular, we discuss conditions for the modulational instability of plane waves and formation of spatial solitons. We show that the competing focusing and defocusing nonlinearities enable coexistence of dark or bright spatial solitons in the same medium by varying the intensity of the beam.

U2 - 10.1103/PhysRevA.84.053854

DO - 10.1103/PhysRevA.84.053854

M3 - Journal article

SN - 2469-9926

VL - 84

SP - 053854

JO - Physical Review A

JF - Physical Review A

IS - 5

ER -

Modulational instability and solitons in nonlocal media with competing nonlinearities

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