Tunable Passively-Synchronized 1-μm Q-Switched and 1.5-μm Gain-Switched Dual-Wavelength Fiber Laser Based on an Er/Yb Codoped Fiber

Tunable Passively-Synchronized 1-μm Q-Switched and 1.5-μm Gain-Switched Dual-Wavelength Fiber Laser Based on an Er/Yb Codoped Fiber

A wavelength-tunable passively-synchronized 1-μm Q-switched and 1.5-μm gain-switched dual-wavelength pulsed fiber laser has been demonstrated with a single gain fiber for the first time to our knowledge. The realized dual-wavelength co-oscillation is based on a dual ring-cavity...

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Bibliographic Details
Main Authors: Chunyu Guo, Weiqi Liu, Shuangchen Ruan, Jun Yu, Yewang Chen, Peiguang Yan, Jinzhang Wang, Saurabh Jain, Ping Hua
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Fiber lasers
pulsed lasers
dual-wavelength laser
Q-switching
gain-switching
Er/Yb co-doped fiber.
Online Access:https://ieeexplore.ieee.org/document/7907287/
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Summary:A wavelength-tunable passively-synchronized 1-&#x03BC;m Q-switched and 1.5-&#x03BC;m gain-switched dual-wavelength pulsed fiber laser has been demonstrated with a single gain fiber for the first time to our knowledge. The realized dual-wavelength co-oscillation is based on a dual ring-cavity configuration with a common Er&#x002F;Yb co-doped fiber (EYDF). The Q-switched 1-&#x03BC;m pulses are generated through the saturable absorption effect of unpumped EYDF aided by a 1.5-&#x03BC;m oscillation cavity, whereas the 1.5-&#x03BC;m pulses are produced by the gain-switching of Er<sup>3&#x002B;</sup> ions induced by the 1-&#x03BC;m Q-switched pulses. A tuning range of 11.7&#x00A0;nm from 1045.3 to 1057 nm and 29.7 nm from 1535 to 1564.7 nm are obtained at stable synchronized pulse operation for 1 and 1.5-&#x03BC;m spectral bands, respectively.
ISSN:1943-0655

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