Ultra-high repetition-rate (tens of MHz) nanosecond all-fiber amplifier based on a SESAM passively mode-locking fiber oscillator at 1064 nm

Min Yang; Pingxue Li; Shun Li; Kaixuan Wang; Wenhao Xiong; Chuanfei Yao

doi:10.1117/12.2532490

17 May 2019 Ultra-high repetition-rate (tens of MHz) nanosecond all-fiber amplifier based on a SESAM passively mode-locking fiber oscillator at 1064 nm

Min Yang, Pingxue Li, Shun Li, Kaixuan Wang, Wenhao Xiong, Chuanfei Yao

Author Affiliations +

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 111700S (2019) https://doi.org/10.1117/12.2532490
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

Abstract

We report on a nanosecond all-fiber MOPA with ultra-high repetition rate (tens of MHz), which is seeded by a semiconductor saturable absorber mirror (SESAM) mode-locking fiber oscillator at 1064 nm. Ultra-high repetition rate of tens of MHz is realized by reducing fiber length in laser cavity. By using single-mode fiber stretcher with total length of 16 km, pulse width of mode locking laser pulse can be broadened from 28 ps to 1~7 ns. The maximum average power is achieved to be 54 W with pulse duration of 1.3 ns and repetition rate of 27.7 MHz. To the best of our knowledge, this is the first demonstration on an ultra-high repetition-rate (tens of MHz) nanosecond all-fiber MOPA based on a SESAM passively mode-locking fiber oscillator.

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Min Yang, Pingxue Li, Shun Li, Kaixuan Wang, Wenhao Xiong, and Chuanfei Yao "Ultra-high repetition-rate (tens of MHz) nanosecond all-fiber amplifier based on a SESAM passively mode-locking fiber oscillator at 1064 nm ", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111700S (17 May 2019); https://doi.org/10.1117/12.2532490

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