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Updated: Jun 28, 2026
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Mode-locked self-starting Cr:forsterite laser using a single-walled carbon nanotube saturable absorber
Won Bae Cho1, Jong Hyuk Yim, Sun Young Choi
1Division of Energy Systems Research, Ajou University, Suwon, Korea.
Abstract:
We report what we believe to be the first passive mode-locking of Cr:forsterite laser using a single-walled carbon nanotube saturable absorber (SWCNT-SA). The dispersion-compensated Cr:forsterite laser in a self-starting configuration produces nearly Fourier transform-limited pulses as short as 120 fs near 1.25 microm. The maximum average output power of 202 mW obtained with a 5% output coupler at a repetition rate of 79.1 MHz represents, to the best of our knowledge, the highest power level ever reported for SWCNT-SA mode locking of solid-state lasers.
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