Narrow Linewidth VCSEL based on Resonant Optical Feedback from an On-chip Microring Add-Drop Filter

We demonstrate a single-longitudinal mode VCSEL with a Lorentzian linewidth of 32.6 kHz and a purified optical spectrum by injecting the resonant feedback from an on-chip microring add-drop filter with a quality-factor of 1.36 million.

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Bibliographic Details
Main Authors: Jiang, Lidan, Shi, Leilei, Luo, Jing, Gao, Qirui, Lan, Tianyi, Huang, Ligang, Zhu, Tao
Format: Conference Proceeding
Language:English
Subjects:
Lasers
Microcavities
Optical feedback
Optical filters
Optical imaging
Resonant frequency
System-on-chip
Online Access:Request full text
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Description
Summary:We demonstrate a single-longitudinal mode VCSEL with a Lorentzian linewidth of 32.6 kHz and a purified optical spectrum by injecting the resonant feedback from an on-chip microring add-drop filter with a quality-factor of 1.36 million.
ISSN:2166-8892
DOI:10.1364/OECC.2021.T3D.3