Journal
OPTICS EXPRESS
Volume 27, Issue 3, Pages 1922-1928Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.001922
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Funding
- National Natural Science Foundation of China (NSFC) [51402268, 61505072]
- Foundation of President of China Academy of Engineering Physics [YZJJLX2018005]
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We report on a mode-locked Tm,Ho:CLNGG laser emitting in the 2 mu m spectral range using single-walled carbon nanotubes (SWCNTs) as a saturable absorber (SA). Pulses with duration of 98 fs are generated at 99.28 MHz repetition rate with an average output power of 123 mW, yielding a pulse energy of 1.24 nJ. Using a 0.5% output coupling, pulses as short as 67 fs, i.e., 10 optical cycles, are produced after extracavity compression with a 3-mm-thick ZnS plate. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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