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Conferences > OFC > 2018 > Th2A > Th2A.6

Compact Grating Coupler for Higher-order Mode Coupling

Yaxiao Lai, Yu Yu, Songnian Fu, Jing Xu, Perry Ping Shum, and Xinliang Zhang

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Abstract

An on-chip LP11-TE1 mode grating coupler is experimentally demonstrated by utilizing double-grating structure and a Y-junction. A 0.6 dB improvement of coupling efficiency with a quarter taper length is achieved comparing with conventional grating coupler.

© 2018 The Author(s)

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