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Conferences > ACPC > 2015 > AS4B > AS4B.4

Grating Coupler between Perfectly-Vertical Fiber and Si Wire Waveguide Using Tilted Membrane Structure

Liu Liu, Chenzhao Zhang, and Chichao Jin

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Abstract

A grating coupler on silicon-on-insulator waveguide for perfectly-vertical fiber is proposed based on titled membrane structure. A peak coupling efficiency of 40% and 1dB bandwidth of 40nm are obtained for perfectly-vertical fiber. Back-reflections to the SOI waveguide mode and the fiber mode are 2.7% and 2.2%, respectively.

© 2015 Optical Society of America

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