A 60 μm-Long Fiber-to-Chip Edge Coupler Assisted by Subwavelength Grating Structure with Ultralow Loss and Large Bandwidth

A 60 μm-Long Fiber-to-Chip Edge Coupler Assisted by Subwavelength Grating Structure with Ultralow Loss and Large Bandwidth

Efficient fiber-to-chip coupling is a key issue in the field of integrated optics and photonics due to the lack of on-chip silicon light source at present. Here, we propose a silicon-based fiber-to-chip edge coupler by use of subwavelength grating (SWG)-assisted structure. The key conversion region...

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Bibliographic Details
Main Authors: Yan Xiao, Yin Xu, Yue Dong, Bo Zhang, Yi Ni
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Photonics
Subjects:
fiber-to-chip coupler
subwavelength grating structure
photonic integrated components
Online Access:https://www.mdpi.com/2304-6732/9/6/413

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