https://doi.org/10.1140/epjp/s13360-022-02953-8
Regular Article
Optimization design of mode-locked laser and compression system based on similaritons
1
Key Laboratory of Precision Microelectronic Manufacturing Technology and Equipment of Ministry of Education of Guangdong University of Technology, 510006, Guangzhou, Guangdong, People’s Republic of China
2
Cangke Intelligent Technology Co., Ltd., 528225, Foshan, Guangdong, People’s Republic of China
Received:
28
April
2022
Accepted:
14
June
2022
Published online:
28
June
2022
To obtain high-quality ultra-short optical pulses by compressing similaritons generated from similaritons mode-locked fiber laser systems, this paper firstly investigates the properties of the laser systems based on a distributed method. By defining the mode-locked pulse criterion and the self-similar coefficient, the influence of gain saturation energy, net dispersion, and the mode-locked modulation depth of saturable absorber on similaritons is described quantitatively. Then, the optimization of the similariton laser system is designed based on the revealed internal relationship between system parameters and output similaritons. Finally, the similariton laser system structure is optimized by using two saturable absorbers placed in series, each with a modulation depth of 0.53, resulting in achieving a high-quality similariton output from self-similar mode-locked fiber laser with a maximum output power of 297.4381 W, full-widths at half-maxima of 6.4082 ps, energy of 1316.9296 pJ and self-similar coefficient of 0.0498.
© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2022
