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Conferences > OFC > 2024 > W2B > W2B.9

Wide-angle vertical coupling gratings enabled by nano-imprinted microlens array

Gan Xiao, Xuanming Zhang, Fei Lou, Lei Lei, and Xin Cheng

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Abstract

We experimentally show a vertical grating coupler featuring extended coupling angles through nano-imprinted lens array. This nanostructure exhibits a 2-3.4 dB increase in coupling efficiency within the ±15° angular range compared to the bare device.

© 2024 The Author(s)

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