Graphene mode-locked Tm,Ho-codoped crystalline garnet laser producing 70-fs pulses near 2.1 mu m

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Bilayer graphene synthesized by chemical vapor deposition is successfully applied as a saturable absorber (SA) for the passive mode-locking of a Tm, Ho: CLNGG laser at 2093nm. Near transform-limited pulses as short as 70 fs, i.e., 10 optical cycles are produced at a 89MHz repetition rate with 69mW average output power. To the best of our knowledge, these are the shortest pulses ever reported from graphene-SA mode-locked Tm, or Ho-lasers in the 2 mu m spectral region, including bulk and fiber lasers. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Publisher
OPTICAL SOC AMER
Issue Date
2019-09
Language
English
Article Type
Article
Citation

OSA CONTINUUM, v.2, no.9, pp.2593 - 2600

ISSN
2578-7519
DOI
10.1364/OSAC.2.002593
URI
http://hdl.handle.net/10203/267884
Appears in Collection
PH-Journal Papers(저널논문)
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