November 11, 2025Optics ExpressOpen Access

Spectroscopic characterization and mode-locked pulse generation in Tm,Ho-codoped mixed sesquioxide crystal

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We demonstrate average output power of 328 mW and high pulse repetition rate in a Tm,Ho-codoped laser, suggesting effective mode-locking techniques.

The laser achieves a slope efficiency of 44.7% with significant output power and effective absorption cross section.
Peak absorption coefficient recorded at 794 nm is 2.50 cm -1, shaping performance metrics.
Mode-locked operation reveals pulse repetition rate of approximately 85.6 MHz, enhancing practical utility.
Findings indicate potential for broader applications in laser technology and telecommunications.],

Liu et al. (2025) studied this question.

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We demonstrate average output power of 328 mW and high pulse repetition rate in a Tm,Ho-codoped laser, suggesting effective mode-locking techniques.