论文信息 - Efficient input and output fiber coupling to a photonic crystal waveguide.

Efficient input and output fiber coupling to a photonic crystal waveguide.

The efficiency of evanescent coupling between a silica optical fiber taper and a silicon photonic crystal waveguide is studied. A high-reflectivity mirror on the end of the photonic crystal waveguide is used to recollect, in the backward-propagating fiber mode, the optical power that is initially coupled into the photonic crystal waveguide. An outcoupled power in the backward-propagating fiber mode of 88% of the input power is measured, corresponding to a lower bound on the coupler efficiency of 94%.

P. Barclay | O. Painter | K. Srinivasan | M. Borselli

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