Switching and instabilities of optical vortices in nonlinear dual-core photonic crystal fibre couplers

José R. Salgueiro; Humberto Michinel; Albert Ferrando; Yuri S. Kivshar

doi:10.2971/jeos.2006.06014

Switching and instabilities of optical vortices in nonlinear dual-core photonic crystal fibre couplers

José R. Salgueiro, Humberto Michinel, Albert Ferrando, Yuri S. Kivshar

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

3 Citations (Scopus)

Abstract

We study switching of an optical vortex launched into one core of a dual-core waveguide coupler in a photonic crystal fibre with selffocusing nonlinearity. We analyse how the beam power and the angular momentum associated with the vortex mode transfer to the second core of the coupler in both linear and nonlinear regimes. We describe three major scenarios of the vortex dynamics and reveal novel symmetry-breaking instabilities associated with the vortex nonzero angular momentum.

Original language	English
Article number	06014
Journal	Journal of the European Optical Society-Rapid Publications
Volume	1
DOIs	https://doi.org/10.2971/jeos.2006.06014
Publication status	Published - 11 Sept 2006

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title = "Switching and instabilities of optical vortices in nonlinear dual-core photonic crystal fibre couplers",

abstract = "We study switching of an optical vortex launched into one core of a dual-core waveguide coupler in a photonic crystal fibre with selffocusing nonlinearity. We analyse how the beam power and the angular momentum associated with the vortex mode transfer to the second core of the coupler in both linear and nonlinear regimes. We describe three major scenarios of the vortex dynamics and reveal novel symmetry-breaking instabilities associated with the vortex nonzero angular momentum.",

keywords = "Angular momentum, Nonlinear couplers, Photonic crystal fibres, Switching, Vortices",

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AU - Salgueiro, José R.

AU - Michinel, Humberto

AU - Ferrando, Albert

AU - Kivshar, Yuri S.

PY - 2006/9/11

Y1 - 2006/9/11

N2 - We study switching of an optical vortex launched into one core of a dual-core waveguide coupler in a photonic crystal fibre with selffocusing nonlinearity. We analyse how the beam power and the angular momentum associated with the vortex mode transfer to the second core of the coupler in both linear and nonlinear regimes. We describe three major scenarios of the vortex dynamics and reveal novel symmetry-breaking instabilities associated with the vortex nonzero angular momentum.

AB - We study switching of an optical vortex launched into one core of a dual-core waveguide coupler in a photonic crystal fibre with selffocusing nonlinearity. We analyse how the beam power and the angular momentum associated with the vortex mode transfer to the second core of the coupler in both linear and nonlinear regimes. We describe three major scenarios of the vortex dynamics and reveal novel symmetry-breaking instabilities associated with the vortex nonzero angular momentum.

KW - Angular momentum

KW - Nonlinear couplers

KW - Photonic crystal fibres

KW - Switching

KW - Vortices

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U2 - 10.2971/jeos.2006.06014

DO - 10.2971/jeos.2006.06014

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VL - 1

JO - Journal of the European Optical Society-Rapid Publications

JF - Journal of the European Optical Society-Rapid Publications

M1 - 06014

ER -

Switching and instabilities of optical vortices in nonlinear dual-core photonic crystal fibre couplers

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