A theoretical and experimental investigation of an in-band pumped gain-switched thulium-doped fiber laser

doi:10.1088/1674-1056/22/6/064208

中国物理B ›› 2013, Vol. 22 ›› Issue (6): 64208-064208.doi: 10.1088/1674-1056/22/6/064208

A theoretical and experimental investigation of an in-band pumped gain-switched thulium-doped fiber laser

周仁来, 鞠有伦, 赵杰, 杨超, 王月珠

National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China

收稿日期:2012-10-11 修回日期:2013-01-16 出版日期:2013-05-01 发布日期:2013-05-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 60878011 and 61078008) and the Program for New Century Excellent Talents in University, China (Grant No. NCET-10-0067).

A theoretical and experimental investigation of an in-band pumped gain-switched thulium-doped fiber laser

Zhou Ren-Lai (周仁来), Ju You-Lun (鞠有伦), Zhao Jie (赵杰), Yang Chao(杨超), Wang Yue-Zhu(王月珠)

National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China

Received:2012-10-11 Revised:2013-01-16 Online:2013-05-01 Published:2013-05-01
Contact: Zhou Ren-Lai E-mail:zrlhit@126.com
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 60878011 and 61078008) and the Program for New Century Excellent Talents in University, China (Grant No. NCET-10-0067).

摘要/Abstract

摘要： In this paper, the theoretical rate equation model of in-band pumped gain-switched thulium-doped fiber (TDF) laser is investigated. The analytical formulations of pump energy threshold, peak power extraction efficiency, and pulse extraction efficiency are derived through analyzing the interaction process between pump pulse and laser pulse. They are useful for understanding, designing, and optimizing the in-band pumped TDF lasers in a 1.9 μm-2.1 μm wavelength region. The experiment of all fiber gain-switched TDF laser pumped by 1.558-μ pulse amplifier is conducted, and our experimental results show good agreement with theoretical analysis.

关键词: pulse fiber laser, gain-switched laser, thulium-doped fiber (TDF) laser, rate equation model, laser theory

Abstract: In this paper, the theoretical rate equation model of in-band pumped gain-switched thulium-doped fiber (TDF) laser is investigated. The analytical formulations of pump energy threshold, peak power extraction efficiency, and pulse extraction efficiency are derived through analyzing the interaction process between pump pulse and laser pulse. They are useful for understanding, designing, and optimizing the in-band pumped TDF lasers in a 1.9 μm-2.1 μm wavelength region. The experiment of all fiber gain-switched TDF laser pumped by 1.558-μ pulse amplifier is conducted, and our experimental results show good agreement with theoretical analysis.

Key words: pulse fiber laser, gain-switched laser, thulium-doped fiber (TDF) laser, rate equation model, laser theory

中图分类号: (General laser theory)

42.55.Ah

42.55.Wd (Fiber lasers) 42.60.Mi (Dynamical laser instabilities; noisy laser behavior)

周仁来, 鞠有伦, 赵杰, 杨超, 王月珠. A theoretical and experimental investigation of an in-band pumped gain-switched thulium-doped fiber laser [J]. 中国物理B, 2013, 22(6): 64208-064208.

Zhou Ren-Lai (周仁来), Ju You-Lun (鞠有伦), Zhao Jie (赵杰), Yang Chao(杨超), Wang Yue-Zhu(王月珠). A theoretical and experimental investigation of an in-band pumped gain-switched thulium-doped fiber laser [J]. Chin. Phys. B, 2013, 22(6): 64208-064208.

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A theoretical and experimental investigation of an in-band pumped gain-switched thulium-doped fiber laser

A theoretical and experimental investigation of an in-band pumped gain-switched thulium-doped fiber laser

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