PreprintCC BY 4.0arXiv
Spectral-control-assisted Kerr-lens mode-locking in a Tm:Y2O3 ceramic laser
Abstract
We report a soft-aperture Kerr-lens mode-locked Tm:Y2O3 ceramic laser stabilized by suppressing wavelength competition under high population-inversion conditions. The laser delivers an average output power of 0.5 W with a pulse duration of 112 fs at a repetition rate of 90 MHz and a central wavelength of 2.08 um. Further optimization for shorter pulses yields a pulse duration of 107 fs, through with a reduced output power of 0.22 W. These results demonstrate that spectral-control is an effective approach for achieving stable mode-locking in such laser with strong spectral competition.
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BibTeX
@misc{gong2026spectralcontrolassisted,
title = {{Spectral-control-assisted Kerr-lens mode-locking in a Tm:Y2O3 ceramic laser}},
author = {Zeyu Gong and Jing Wang and Panqiang Kang and Weichao Yao and Yujie Peng and Jun Wang and Dingyuan Tang and Yuxin Leng},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.13427},
eprint = {2610.13427},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.13427},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Spectral-control-assisted Kerr-lens mode-locking in a Tm:Y2O3 ceramic laser
AU - Zeyu Gong
AU - Jing Wang
AU - Panqiang Kang
AU - Weichao Yao
AU - Yujie Peng
AU - Jun Wang
AU - Dingyuan Tang
AU - Yuxin Leng
PY - 2026
DA - 2026/10/09
PB - arXiv
DO - 10.48550/arxiv.2610.13427
UR - https://arxiv.org/abs/2610.13427
AB - We report a soft-aperture Kerr-lens mode-locked Tm:Y2O3 ceramic laser stabilized by suppressing wavelength competition under high population-inversion conditions. The laser delivers an average output power of 0.5 W with a pulse duration of 112 fs at a repetition rate of 90 MHz and a central wavelength of 2.08 um. Further optimization for shorter pulses yields a pulse duration of 107 fs, through with a reduced output power of 0.22 W. These results demonstrate that spectral-control is an effective approach for achieving stable mode-locking in such laser with strong spectral competition.
ER -