Switching and Instabilities of Optical Vortices in Nonlinear Dual-core Photonic Crystal Fibre Couplers
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Salgueiro, Jose
Michinel, Humberto
Ferrando, Albert
Kivshar, Yuri
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Institute of Physics Publishing
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
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Journal of the European Optical Society: Rapid Publications