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Conferences > CLEO_QELS > 2021 > JW1A > JW1A.78

High Coupling-Efficiency Ridge-Waveguide Gratings on Single Crystal Thin-Film Lithium Niobate (TFLN)

Sipan Yang, Jinbin Xu, Liying Wu, and Xiulan Cheng

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Abstract

The uniform ridge-waveguide grating couplers in TFLN are fabricated. All the structures in the device are monolithically patterned by electron-beam lithography. Single coupler exhibits an ultra-high coupling efficiency of -6.5 dB at 1546 nm.

© 2021 The Author(s)

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