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12 December 2018 Bright-dark pulses produced by passively mode-locked fiber laser with Molybdenum disulfide saturable absorber
Rui Wang, Yong Yao, Qianchao Wu, Yanfu Yang, Jiajun Tian, Ke Xu
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Proceedings Volume 10844, Advanced Laser Technology and Applications; 108440J (2018) https://doi.org/10.1117/12.2505145
Event: International Symposium on Optoelectronic Technology and Application 2018, 2018, Beijing, China
Abstract
We investigate the conversion of mode locking of bright pulses, dark pulses and dark-bright pulses in an Erbium-doped fiber laser (EDFL) based on a Molybdenum disulfide (MoS2) films saturable absorber (SA) experimentally. When the pump power is 150 mW, by changing the polarization controller (PC) to change the polarization state in the laser cavity， we observed the bright pulse trains, the dark pulse trains and the dark-bright pulses trains in turn. All pulse interval are about 58 ns, and the repetition frequency of pulse is 1.7 MHz. The study provides a method for the conversion among bright pulses, dark pulses and dark-bright pulses.
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Rui Wang, Yong Yao, Qianchao Wu, Yanfu Yang, Jiajun Tian, and Ke Xu "Bright-dark pulses produced by passively mode-locked fiber laser with Molybdenum disulfide saturable absorber", Proc. SPIE 10844, Advanced Laser Technology and Applications, 108440J (12 December 2018); https://doi.org/10.1117/12.2505145
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KEYWORDS
Mode locking
Fiber lasers
Ultrafast phenomena
Pulsed laser operation
Dispersion
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