Gap random-phase lattice solitons

Robert Pezer; Hrvoje Buljan; Jason W. Fleischer; Guy Bartal; Oren Cohen; Mordechai Segev

doi:10.1364/OPEX.13.005013

Gap random-phase lattice solitons

Robert Pezer, Hrvoje Buljan, Jason W. Fleischer, Guy Bartal, Oren Cohen, Mordechai Segev

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

13 Scopus citations

Abstract

We theoretically study gap random-phase lattice solitons (gap-RPLSs) in nonlinear waveguide arrays with self-defocusing nonlinearity. We find that the intensity structure and statistical (coherence) properties of gap-RPLSs conform to the lattice periodicity, while their Floquet-Bloch power spectrum is multi-humped with peaks in the anomalous diffractions regions. It is shown that a gap-RPLS can he generated when a simple incoherent beam with hell-shaped power spectrum and single-hump intensity is launched at a proper angle into the waveguide array. The input incoherent beam evolves in the lattice while shedding off some radiation, and eventually attains the features of gap-RPLS.

Original language	English (US)
Pages (from-to)	5013-5023
Number of pages	11
Journal	Optics Express
Volume	13
Issue number	13
DOIs	https://doi.org/10.1364/OPEX.13.005013
State	Published - Jun 27 2005

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OPEX.13.005013

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title = "Gap random-phase lattice solitons",

abstract = "We theoretically study gap random-phase lattice solitons (gap-RPLSs) in nonlinear waveguide arrays with self-defocusing nonlinearity. We find that the intensity structure and statistical (coherence) properties of gap-RPLSs conform to the lattice periodicity, while their Floquet-Bloch power spectrum is multi-humped with peaks in the anomalous diffractions regions. It is shown that a gap-RPLS can he generated when a simple incoherent beam with hell-shaped power spectrum and single-hump intensity is launched at a proper angle into the waveguide array. The input incoherent beam evolves in the lattice while shedding off some radiation, and eventually attains the features of gap-RPLS.",

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T1 - Gap random-phase lattice solitons

AU - Pezer, Robert

AU - Buljan, Hrvoje

AU - Fleischer, Jason W.

AU - Bartal, Guy

AU - Cohen, Oren

AU - Segev, Mordechai

PY - 2005/6/27

Y1 - 2005/6/27

N2 - We theoretically study gap random-phase lattice solitons (gap-RPLSs) in nonlinear waveguide arrays with self-defocusing nonlinearity. We find that the intensity structure and statistical (coherence) properties of gap-RPLSs conform to the lattice periodicity, while their Floquet-Bloch power spectrum is multi-humped with peaks in the anomalous diffractions regions. It is shown that a gap-RPLS can he generated when a simple incoherent beam with hell-shaped power spectrum and single-hump intensity is launched at a proper angle into the waveguide array. The input incoherent beam evolves in the lattice while shedding off some radiation, and eventually attains the features of gap-RPLS.

AB - We theoretically study gap random-phase lattice solitons (gap-RPLSs) in nonlinear waveguide arrays with self-defocusing nonlinearity. We find that the intensity structure and statistical (coherence) properties of gap-RPLSs conform to the lattice periodicity, while their Floquet-Bloch power spectrum is multi-humped with peaks in the anomalous diffractions regions. It is shown that a gap-RPLS can he generated when a simple incoherent beam with hell-shaped power spectrum and single-hump intensity is launched at a proper angle into the waveguide array. The input incoherent beam evolves in the lattice while shedding off some radiation, and eventually attains the features of gap-RPLS.

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Gap random-phase lattice solitons

Abstract

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