Wavelength tunable self-mode-locking optically pumped semiconductor disk laser

Bihui Zhuang; Lingling Hua; Lin Mao; Jinrong Tian; Yanrong Song

doi:10.1117/12.2666604

27 January 2023 Wavelength tunable self-mode-locking optically pumped semiconductor disk laser

Bihui Zhuang, Lingling Hua, Lin Mao, Jinrong Tian, Yanrong Song

Proceedings Volume 12550, International Conference on Optical and Photonic Engineering (icOPEN 2022); 125502C (2023) https://doi.org/10.1117/12.2666604
Event: International Conference on Optical and Photonic Engineering (icOPEN 2022), 2022, ONLINE, China

Abstract

We experimentally demonstrate wavelength-tunable Self-Mode-Locking (SML) operation generated in an Optically Pumped Semiconductor Disk Laser (OP-SDL) with a straight cavity. The operation is achieved by insetting an etalon into the cavity, and wavelength tuning range of 11 nm can be achieved by adjusting the angle of etalon. After aligning the cavity carefully, stable self-mode-locking is obtained when the pump power was beyond 5 W, and the pulse period of 0.99 ns agrees well with the round-trip time determined by the optical cavity length of 148 mm. Meanwhile, the RF spectrum reveals a clean peak at the fundamental repetition rate of 1.01 GHz and the signal-to-noise ratio of the RF spectrum reaches 60 dB during the whole tuning process, indicating the stability of the pulse was quite excellent. Finally, we obtained a wavelength tunable SML optically pumped semiconductor disk laser. The experimental results prove that under the condition of adding an etalon in the cavity, the OP-SDL could remain a stable operation in a wider wavelength tuning range. This research is helpful to the development of wavelength tunable self-mode-locking optically pumped semiconductor disk lasers and hopes to obtain practical applications in related fields.

Citation Download Citation

Bihui Zhuang, Lingling Hua, Lin Mao, Jinrong Tian, and Yanrong Song "Wavelength tunable self-mode-locking optically pumped semiconductor disk laser", Proc. SPIE 12550, International Conference on Optical and Photonic Engineering (icOPEN 2022), 125502C (27 January 2023); https://doi.org/10.1117/12.2666604

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