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Conferences > ACPC > 2018 > Su2A > Su2A.221
  • Asia Communications and Photonics Conference (ACP) 2018
  • OSA Technical Digest (Optica Publishing Group, 2018),
  • paper Su2A.221

High efficiency and polarization insensitive two-dimensional grating coupler on silicon

Bin Chen, Xian Zhang, Xueqin Wen, Ziliang Ruan, Yuntao Zhu, and Liu Liu

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Abstract

We design and demonstrate a two-dimensional grating coupler with high efficiency and low polarization dependent loss. An efficiency of -1.76dB at O-band is realized with the enhancement of a bottom metal mirror. Using two crossing ellipses as the grating cell, the PDL can be reduced to 0.2dB in a wavelength range of 67nm.

© 2018 The Author(s)

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