Chip-scale mode-configurable light couplers and vortex beam generators using waveguide-integrated metasurface

Yuan Meng; Yuan Meng; Zhoutian Liu; Zhenwei Xie; Futai Hu; Tiancheng Qi; Qirong Xiao; Hyunseok Kim; Sang-Hoon Bae; Xing Fu; Mali Gong; Xiaocong Yuan

doi:10.1364/CLEO_AT.2020.JTh2F.2

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper JTh2F.2
•https://doi.org/10.1364/CLEO_AT.2020.JTh2F.2

Chip-scale mode-configurable light couplers and vortex beam generators using waveguide-integrated metasurface

Yuan Meng, Zhoutian Liu, Zhenwei Xie, Futai Hu, Tiancheng Qi, Qirong Xiao, Hyunseok Kim, Sang-Hoon Bae, Xing Fu, Mali Gong, and Xiaocong Yuan

CLEO: Science and Innovations 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Joint Poster Session 16 (JTh2F)

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Y. Meng, Z. Liu, Z. Xie, F. Hu, T. Qi, Q. Xiao, H. Kim, S. Bae, X. Fu, M. Gong, and X. Yuan, "Chip-scale mode-configurable light couplers and vortex beam generators using waveguide-integrated metasurface," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper JTh2F.2.

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Abstract

Integrated mode-selective on-chip couplers are reported using Si-nanoantennas-patterned Si₃N₄ waveguide. A chip-integrated twisted-light generator coupling free-space light into optical vortex carrying 1ћ OAM is numerically demonstrated, by engineering spatial modal-overlap & controlled mode mixing.

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