Abstract

A high efficiency coupling technique for photonic crystal waveguides is proposed. The technique is based on setting a single defect within a tapered photonic crystal waveguide. Simulation results show that the optimised scheme maximises the power transmission up to 87.5% at a wavelength of /spl lambda/ = 1.55 /spl mu/m for a 0.5 /spl mu/m-long photonic crystal taper.

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