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Switching of optical vortices in nonlinear annular couplers
Jose R. Salgueiro, Yuri S. Kivshar
We suggest an annular waveguide coupler for switching the angular momentum of light. We study linear and nonlinear coupling of both power and momentum of an optical vortex beam lau…
Spatial vector solitons in nonlinear photonic crystal fibers
Jose R. Salgueiro, Yuri S. Kivshar, Dmitry E. Pelinovsky +2
We study spatial vector solitons in a photonic crystal fiber (PCF) made of a material with the focusing Kerr nonlinearity. We show that such two-component localized nonlinear waves…
Waveguiding properties of optical vortex solitons
José R. Salgueiro, Yuri S. Kivshar
We study the properties of linear and nonlinear waveguides induced by optical vortex solitons in both self-defocusing and self-focusing nonlinear media, for the case of a saturable…