Suppression of the collapse of two-dimensional light beams in one-dimensional refractive-index gratings

Suppression of the collapse of two-dimensional light beams in one-dimensional refractive-index gratings

The propagation of light beams in a nonlinear cubic medium with the refractive index periodically modulated along one transverse coordinate is considered. The profiles of soliton beams are found and their stability is studied. It is shown that the refractive-index modulation causes the collapse supp...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2005-02, Vol.35 (2), p.116-118
Hauptverfasser: Aleshkevich, Viktor A, Gorin, S V, Zhukarev, A S, Kartashov, Yaroslav V
Format: Artikel
Sprache:eng
Schlagworte:
BEAMS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ELECTROMAGNETIC RADIATION
GRATINGS
MODULATION
NONLINEAR PROBLEMS
ONE-DIMENSIONAL CALCULATIONS
OPTICAL PROPERTIES
PERIODICITY
PHOTON BEAMS
PHYSICAL PROPERTIES
QUASI PARTICLES
RADIATIONS
REFRACTIVE INDEX
SOLITONS
STABILITY
TWO-DIMENSIONAL CALCULATIONS
VARIATIONS
VISIBLE RADIATION
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Beschreibung
Zusammenfassung:The propagation of light beams in a nonlinear cubic medium with the refractive index periodically modulated along one transverse coordinate is considered. The profiles of soliton beams are found and their stability is studied. It is shown that the refractive-index modulation causes the collapse suppression and soliton stabilisation almost within the entire region of their existence. (papers devoted to the 250th anniversary of the moscow state university)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2005v035n02ABEH002906