Optimization of spectral distortion in a ytterbium-doped mode-locked fiber laser system

Fuqiang Lian; Zhongwei Fan; Zhenao Bai; Xiaohui Li; Qi Jie Wang

doi:10.1364/PRJ.3.000129

Journals >Photonics Research >Volume 3 >Issue 4 >Page 129 > Article

Photonics Research
Vol. 3, Issue 4, 129 (2015)

Optimization of spectral distortion in a ytterbium-doped mode-locked fiber laser system

Fuqiang Lian¹, Zhongwei Fan^1、*, Zhenao Bai², Xiaohui Li³, and Qi Jie Wang³

Author Affiliations

¹Academy of Opto-Electronics, Chinese Academy of Sciences, University of Chinese Academy of Sciences,Beijing 100094, China

²Beijing GK Laser Technology Co., Ltd., Beijing 100192, China

³School of Electrical and Electronic Engineering, Nanyang Technological University,50 Nanyang Ave. 639798, Singapore

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DOI: 10.1364/PRJ.3.000129 Cite this Article Set citation alerts

Fuqiang Lian, Zhongwei Fan, Zhenao Bai, Xiaohui Li, Qi Jie Wang. Optimization of spectral distortion in a ytterbium-doped mode-locked fiber laser system[J]. Photonics Research, 2015, 3(4): 129 Copy Citation Text

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Abstract

A method for optimizing the spectral distortion of an ultrafast pulse in a polarization-maintaining picosecond linear-cavity fiber laser with a one-stage fiber amplifier is proposed and demonstrated. The mechanism of control of the spectral distortion in the fiber system has been investigated. The experimental and theoretical results illustrate that the filtering effect of a fiber Bragg grating can effectively decrease the spectral oscillatory distortion accumulated by self-phase modulation. Injected into a Nd:YAG regenerative amplifier, the ultrafast pulse could produce high pulse energy of 1.2 mJ at a repetition rate of 1 kHz.

Keywords

Fiber Bragg gratings Lasers and laser optics Mode-locked lasers

S (ω) = {| \int_{- \infty}^{\infty} U (0, T) \exp [i ϕ_{NL} (L, T) + i (ω - ω_{0}) T] d T |}^{2} .

(1)

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Fuqiang Lian, Zhongwei Fan, Zhenao Bai, Xiaohui Li, Qi Jie Wang. Optimization of spectral distortion in a ytterbium-doped mode-locked fiber laser system[J]. Photonics Research, 2015, 3(4): 129

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