Graphene and SESAM mode-locked Yb:CNGS lasers with self-frequency doubling properties

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We report on mode-locking of an Yb:Ca3NbGa3Si2O14 laser, which is pumped by a fiber-coupled single-mode laser diode. The shortest pulse duration obtained with a semiconductor saturable absorber mirror is 52 fs. with 75 mW of average output power. Sub-60 fs operation tunable between 1055 and 1074 mn is achieved by employing semiconductor absorbers with different characteristics. We also demonstrate passive mode-locking results with transmissive graphene saturable absorber, reaching an 85 fs pulse duration with 23 mW output power. Moreover, we present the non-phase-matched self-frequency doubling properties of this non-centrosymmetric crystal in the femtosecond regime. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Publisher
OPTICAL SOC AMER
Issue Date
2019-01
Language
English
Article Type
Article
Citation

OPTICS EXPRESS, v.27, no.2, pp.590 - 596

ISSN
1094-4087
DOI
10.1364/OE.27.000590
URI
http://hdl.handle.net/10203/250394
Appears in Collection
PH-Journal Papers(저널논문)
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