Journal
OPTICS EXPRESS
Volume 27, Issue 2, Pages 590-596Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.000590
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Funding
- National Science Centre (NCN, Poland) [2015/18/E/ST7/00296, 2017/24/T/ST7/00234]
- Natural Science Foundation of China [51472147, 61178060, 51672161]
- Natural Science Foundation of Shandong Province [ZR2017MF031]
- Foundation for Polish Science (FNP) [START 53.2018]
- Government of the Russian Federation through ITMO Post-Doctoral Fellowship scheme [074-U01]
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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
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