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An Ultra-compact Colorless 50:50 Coupler Based on PhC-like Metamaterial Structure

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Abstract

A novel PhC-like metamaterial structure with low fabricating accuracy requirements is proposed. We design and fabricate a 2.6μm×2.6μm coupler employing such structure. The measured excess loss of each port is less than 1dB over 60nm.

© 2016 Optical Society of America

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