High power short wavelength infrared supercontinuum pumped by 2μm noise-like pulse

Qianqian Jiang; Xiran Zhu; Desheng Zhao; Bin Zhang; Jing Hou

doi:10.1117/12.2691235

16 October 2023 High power short wavelength infrared supercontinuum pumped by 2μm noise-like pulse

Qianqian Jiang, Xiran Zhu, Desheng Zhao, Bin Zhang, Jing Hou

Proceedings Volume 12792, Eighteenth National Conference on Laser Technology and Optoelectronics; 1279217 (2023) https://doi.org/10.1117/12.2691235
Event: Eighteenth National Conference on Laser Technology and Optoelectronics, 2023, Shanghai, China

Abstract

High power supercontinuum (SC) pumped by noise-like pulse (NLP) has become an attractive research topic. In this work, we experimentally demonstrate a high power all-fiber short wavelength infrared SC pumped by amplified 2 μm NLP. The mode-locked structure of NLP seed is based on nonlinear amplifying loop mirror (NALM) with repetition frequency of 6.3 MHz, pulse width of 5.491 ns and maximum output power of 187.2 mW. After amplification of two-stage thulium-doped fiber amplifiers (TDFAs), the obtained SC has spectrum ranging from ~1926 nm to ~2372 nm and the maximum output power of 90 W. As far as we know, this works achieves the highest SC power seeded by 2 μm NLP, demonstrating that the NLP pump has advantages of relatively simple structure and high power in generating SC.

Citation Download Citation

Qianqian Jiang, Xiran Zhu, Desheng Zhao, Bin Zhang, and Jing Hou "High power short wavelength infrared supercontinuum pumped by 2μm noise-like pulse", Proc. SPIE 12792, Eighteenth National Conference on Laser Technology and Optoelectronics, 1279217 (16 October 2023); https://doi.org/10.1117/12.2691235

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