High-efficiency 3D Multi-tip Edge Coupler Fabricated by Grayscale Lithography

We present a 3D multi-tip edge coupler for 775 nm, achieving a low loss of 1.37 dB (73% efficiency), leveraging grayscale lithography to simplify fabrication while maintaining high-performance mode-conversion and fiber-to-chip coupling.

Authors

Wenbo Mao (ORCID: https://orcid.org/0000-0002-7406-0992)
Weijie Xu (ORCID: https://orcid.org/0000-0002-0847-2294)
Di Jia (ORCID: https://orcid.org/0009-0009-5063-0178)
Lan Yang (ORCID: https://orcid.org/0000-0002-9052-0450)
Qian Zhang (ORCID: https://orcid.org/0000-0001-9205-1881)

Publication Details

Published: 2025-01-01
DOI: https://doi.org/10.1364/cleo_at.2025.aa124_5
Primary Topic: Photonic and Optical Devices
Type: article
Field-Weighted Citation Impact: 0.00

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article

High-efficiency 3D Multi-tip Edge Coupler Fabricated by Grayscale Lithography

Wenbo Mao, Weijie Xu, Di Jia, Lan Yang et al.

Jan 1, 2025

Photonic and Optical Devices

article

High-efficiency 3D Multi-tip Edge Coupler Fabricated by Grayscale Lithography

Wenbo Mao, Weijie Xu, Di Jia, Lan Yang, Qian Zhang

January 1, 2025article en

Abstract

We present a 3D multi-tip edge coupler for 775 nm, achieving a low loss of 1.37 dB (73% efficiency), leveraging grayscale lithography to simplify fabrication while maintaining high-performance mode-conversion and fiber-to-chip coupling.

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Photonic and Optical Devices

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High-efficiency 3D Multi-tip Edge Coupler Fabricated by Grayscale Lithography — Wenbo Mao, Weijie Xu, et al. · (2025) | TGRS Research Map | TGRS