Shortcut to adiabaticity in bent waveguide couplers with a sign flip of the phase mismatch.
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DOI: 10.1364/oe.464837
Abstract: Bending the axis of a waveguide coupler can result in phase mismatch between the evanescently coupled waveguides. Using a bent waveguide coupler, we realize a shortcut to adiabatic light transfer between waveguides with a sign… read more here.
Keywords: bent waveguide; phase mismatch; waveguide coupler;