Inverse designed nanophotonics in thin-film lithium niobate

Chengfei Shang,Jingwei Yang,Alec M. Hammond,Zhaoxi Chen,Mo Chen,Zin Lin,Steven G. Johnson,Cheng Wang

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

We develop a 3D gradient-based inverse design model specially tailored for the LNOI platform, and experimentally demonstrate a spatial-mode multiplexer, a waveguide crossing and a compact waveguide bend with low loss and crosstalk.

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关键词

3D gradient-based inverse design model,compact waveguide bend,inverse designed nanophotonics,LNOI platform,spatial-mode multiplexer,thin-film lithium niobate,waveguide crossing

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