2H-MoTe2 based noise-like pulse erbium-doped fiber laser

Youshuo Cui; Zikai Dong; Lulu Zhang; Jinrong Tian; Yanrong Song

doi:10.1117/12.2587030

2 December 2020 2H-MoTe₂ based noise-like pulse erbium-doped fiber laser

Youshuo Cui, Zikai Dong, Lulu Zhang, Jinrong Tian, Yanrong Song

Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 117171P (2020) https://doi.org/10.1117/12.2587030
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China

Abstract

We demonstrated the noise-like pulse (NLP) generation in an erbium (Er) doped fiber laser at 1560 nm based on 2HMoTe₂. The saturable absorber (SA) was a film mixed by 2H-MoTe2 and polyvinyl alcohol (PVA). The moudulation depth of the SA was 21.4% and the saturable optical intensity was 10.3 GW/cm². When the 2H-MoTe₂ film was inserted into the cavity, the stable NLPs with 3-dB spectral bandwidth of 2.44 nm and the repetition rate of 33.7 MHz were obtained. The autocorrelation (AC) trace of NLP has a 1.14 ps spike and a 71 ps pedestal. When the pump power was 600 mW, the maximum output power was 26.09 mW. To the best of our knowledge, this is the first time to realize the generation of NLP mode locking in an Er-doped fiber laser based on 2H-MoTe₂-PVA film.

Citation Download Citation

Youshuo Cui, Zikai Dong, Lulu Zhang, Jinrong Tian, and Yanrong Song "2H-MoTe₂ based noise-like pulse erbium-doped fiber laser", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 117171P (2 December 2020); https://doi.org/10.1117/12.2587030

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