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October 17, 2025Open Access

Hybrid dual-wavelength pumped gain-switched single-frequency pulsed Tm-doped fiber laser at 2.1 μm

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Authors

GTGuowu TangGuangdong University of TechnologyKWKana WuNanjing University of Chinese MedicineJLJialong LiSouth China University of Technology

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Overview

Experimental demonstration reveals a gain-switched Tm-doped fiber laser at 2.1 μm, suggesting enhanced pulse performance via dual-wavelength pumping.

Key Points

  • Stable single-longitudinal-mode pulsed laser at 2097.48 nm produces output power of about 5 mW.
  • Pulses feature tunable widths from 26 to 97 ns and adjustable rates from 30 to 100 kHz.
  • The hybrid dual-wavelength pumping scheme lowers the lasing threshold, achieving optimal pulse performance.
  • This marks the first instance of a gain-switched single-frequency Tm-doped fiber laser at 2.1 μm.

Cite This Study

Tang et al. (2025) studied this question.

synapsesocial.com/papers/68f199b7de32064e504dc6c1https://doi.org/10.1364/opticaopen.30354556.v1
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