Tunable ultra-narrow linewidth fiber laser based on distributed feedback

Laiyang Dang; Ligang Huang; Yulong Cao; Tianyi Lan; Tao Zhu

doi:10.1364/oecc.2021.t4d.4

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Tunable ultra-narrow linewidth fiber laser based on distributed feedback

Laiyang Dang Ligang Huang Yulong Cao Tianyi Lan Tao Zhu

Year: 2021 Journal: 26th Optoelectronics and Communications Conference Pages: T4D.4-T4D.4

DOI: 10.1364/oecc.2021.t4d.4

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Abstract

We propose a tunable ultra-narrow linewidth fiber laser based on the longitude-purification induced by the distributed feedback. Excellent wavelength-universality of the feedback structure makes the side-mode-suppression ratio remains over ~60 dB at each tuning channel.

Keywords:

Laser linewidth Fiber laser Materials science Distributed feedback laser Tunable laser Optoelectronics Laser Wavelength Optics Physics

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Semiconductor Lasers and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Optical Coherence Tomography Applications

Physical Sciences → Engineering → Biomedical Engineering

Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Tunable ultra-narrow linewidth fiber laser based on distributed feedback

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