High Efficiency Double Layer Grating Couplers Supporting Polarization Diversity for Photonic Switches

Mizuki Shirao,Jean-Etienne Tremblay,Johannes Henriksson,Kyungmok Kwon,Jianheng Luo,Amirmahdi Honardoost,Ming C. Wu

26th Optoelectronics and Communications Conference（2021）

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摘要

We report on novel dual-layer grating couplers that support polarization diversity in silicon photonics. High coupling efficiency (-0.22 dB or 95.1%) and low polarization dependence (0.1 dB) have been realized through inverse design.

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关键词

high efficiency double layer grating couplers,photonic switches,novel dual-layer grating couplers,support polarization diversity,silicon photonics,high coupling efficiency,low polarization dependence,noise figure -0.22 dB,noise figure 0.1 dB

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