980-nm all-fiber mode-locked Yb-doped phosphate fiber oscillator based on semiconductor saturable absorber mirror and its amplifier

doi:10.1088/1674-1056/25/8/084207

中国物理B ›› 2016, Vol. 25 ›› Issue (8): 84207-084207.doi: 10.1088/1674-1056/25/8/084207

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

980-nm all-fiber mode-locked Yb-doped phosphate fiber oscillator based on semiconductor saturable absorber mirror and its amplifier

Ping-Xue Li(李平雪), Yi-Fei Yao(姚毅飞), Jun-Jie Chi(池俊杰), Hao-Wei Hu(胡浩伟), Guang-Ju Zhang(张光举), Bo-Xing Liang(梁博兴), Meng-Meng Zhang(张孟孟), Chun-Mei Ma(马春媚), Ning Su(苏宁)

Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China

收稿日期:2016-01-11 修回日期:2016-03-23 出版日期:2016-08-05 发布日期:2016-08-05
通讯作者: Ping-Xue Li E-mail:pxli@bjut.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 61205047).

980-nm all-fiber mode-locked Yb-doped phosphate fiber oscillator based on semiconductor saturable absorber mirror and its amplifier

Institute of Laser Engineering, Beijing University of Technology, Beijing 100124, China

Received:2016-01-11 Revised:2016-03-23 Online:2016-08-05 Published:2016-08-05
Contact: Ping-Xue Li E-mail:pxli@bjut.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 61205047).

摘要/Abstract

摘要： A 980-nm semiconductor saturable absorber mirror (SESAM) mode-locked Yb-doped phosphate fiber laser is demonstrated by using an all-fiber linear cavity configuration. Two different kinds of cavity lengths are introduced into the oscillator to obtain a robust and stable mode-locked seed source. When the cavity length is chosen to be 6 m, the oscillator generates an average output power of 3.5 mW and a pulse width of 76.27 ps with a repetition rate of 17.08 MHz. As the cavity length is optimized to short, 4.4-mW maximum output power and 61.15-ps pulse width are produced at a repetition rate of 20.96 MHz. The output spectrum is centered at 980 nm with a narrow spectral bandwidth of 0.13 nm. In the experiment, no undesired amplified spontaneous emission (ASE) nor harmful oscillation around 1030 nm is observed. Moreover, through a two-stage all-fiber-integrated amplifier, an output power of 740 mW is generated with a pulse width of 200 ps.

关键词: 980-nm fiber laser, SESAM mode-locking, Yb-doped phosphate fiber, fiber amplifier

Abstract: A 980-nm semiconductor saturable absorber mirror (SESAM) mode-locked Yb-doped phosphate fiber laser is demonstrated by using an all-fiber linear cavity configuration. Two different kinds of cavity lengths are introduced into the oscillator to obtain a robust and stable mode-locked seed source. When the cavity length is chosen to be 6 m, the oscillator generates an average output power of 3.5 mW and a pulse width of 76.27 ps with a repetition rate of 17.08 MHz. As the cavity length is optimized to short, 4.4-mW maximum output power and 61.15-ps pulse width are produced at a repetition rate of 20.96 MHz. The output spectrum is centered at 980 nm with a narrow spectral bandwidth of 0.13 nm. In the experiment, no undesired amplified spontaneous emission (ASE) nor harmful oscillation around 1030 nm is observed. Moreover, through a two-stage all-fiber-integrated amplifier, an output power of 740 mW is generated with a pulse width of 200 ps.

Key words: 980-nm fiber laser, SESAM mode-locking, Yb-doped phosphate fiber, fiber amplifier

中图分类号: (Fiber lasers)

42.55.Wd

42.60.Da (Resonators, cavities, amplifiers, arrays, and rings) 42.60.Fc (Modulation, tuning, and mode locking)

李平雪, 姚毅飞, 池俊杰, 胡浩伟, 张光举, 梁博兴, 张孟孟, 马春媚, 苏宁. 980-nm all-fiber mode-locked Yb-doped phosphate fiber oscillator based on semiconductor saturable absorber mirror and its amplifier[J]. 中国物理B, 2016, 25(8): 84207-084207.

Ping-Xue Li(李平雪), Yi-Fei Yao(姚毅飞), Jun-Jie Chi(池俊杰), Hao-Wei Hu(胡浩伟), Guang-Ju Zhang(张光举), Bo-Xing Liang(梁博兴), Meng-Meng Zhang(张孟孟), Chun-Mei Ma(马春媚), Ning Su(苏宁). 980-nm all-fiber mode-locked Yb-doped phosphate fiber oscillator based on semiconductor saturable absorber mirror and its amplifier[J]. Chin. Phys. B, 2016, 25(8): 84207-084207.

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980-nm all-fiber mode-locked Yb-doped phosphate fiber oscillator based on semiconductor saturable absorber mirror and its amplifier

980-nm all-fiber mode-locked Yb-doped phosphate fiber oscillator based on semiconductor saturable absorber mirror and its amplifier

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