Symmetric Step-Apodized Distributed Feedback Fiber Laser With Improved Efficiency

Symmetric Step-Apodized Distributed Feedback Fiber Laser With Improved Efficiency

We propose and demonstrate a symmetric step-apodized distributed feedback (DFB) fiber laser, which has an improved efficiency and a narrow linewidth. This special DFB laser cavity is based on a unique symmetric step-apodized π-phase-shifted fiber Bragg grating (FBG) directly inscribed in...

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Bibliographic Details
Main Authors: Kuikui Guo, Jun He, Kaiming Yang, Zhe Zhang, Xizhen Xu, Bin Du, Gaixia Xu, Yiping Wang
Format: Article
Language:English
Published: IEEE 2019-01-01
Series:IEEE Photonics Journal
Subjects:
Lasers
fiber
lasers
distributed-feedback
fibers
erbium
Online Access:https://ieeexplore.ieee.org/document/8733136/

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