Optical fiber coupling to planar photonic crystal microcavities
Paul E. Barclay, Kartik Srinivasan, Oskar Painter
Abstract
A technique is demonstrated which efficiently transfers light between a tapered standard single-mode optical fiber and a resonant mode of a high-Q photonic crystal cavity with mode volume less than a cubic wavelength in size. Cavity mode quality factors of 4.7 x 104 are measured, and a total fiber-to-cavity coupling efficiency of 44% is demonstrated.
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