Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 38, Issue 3, Pages 743-748Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.415276
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Funding
- National Institutes of Health [EB002019]
- U.S. Department of Energy [DE-SC0019546]
- U.S. Department of Energy (DOE) [DE-SC0019546] Funding Source: U.S. Department of Energy (DOE)
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The study focuses on the starting dynamics of Mamyshev oscillators and successfully achieves reliable starting to stable mode-locking through a combination of modulation of the pump power and shifting of a filter passband.
Mamyshev oscillators can generate high-power femtosecond pulses, but starting a mode-locked state has remained a major challenge due to the suppression of continuous-wave lasing. Here, we study the starting dynamics of a linear Mamyshev oscillator designed to generate high-power femtosecond pulses while avoiding component damage. Reliable starting to stable mode-locking is achieved with a combination of modulation of the pump power and shifting of a filter passband. The starting process is automated, with full electronic control. The laser delivers 21-nJ pulses that are dechirped to 65 fs in duration outside the cavity. (C) 2021 Optical Society of America
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