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Conferences > OFC > 2014 > Th1A > Th1A.4

High Efficiency Silicon Nitride Grating Coupler with DBR

Huijuan Zhang, Chao Li, Xiaoguang Tu, Haifeng Zhou, Xianshu Luo, Mingbin Yu, and G. Q. Lo

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Abstract

We have designed and demonstrated high efficiency Silicon nitride grating couplers with two periods of distributed Bragg reflectors at 1490 nm. The peak coupling efficiency is ~−2.6 dB and the 1-dB bandwidth is ~53 nm.

© 2014 Optical Society of America

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