Journal
OPTICS LETTERS
Volume 40, Issue 16, Pages 3897-3900Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.40.003897
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Funding
- European Commission (EC) (Mid-Tech) [H2020-MSCA-ITN-2014]
- European Office of Aerospace Research and Development (EOARD) [FA8655-12-1-2128]
- Generalitat de Catalunya (Government of Catalonia) (ACCIO) [VALTEC13-1-0003]
- Ministry of Economy and Competitiveness (MINECO), Spain (OPTEX) [TEC2012-37853]
- ICREA Funding Source: Custom
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We report a high-power picosecond optical parametric oscillator (OPO) based on cylindrical MgO:PPLN synchronously pumped by an Yb-fiber laser. The singly resonant OPO is tunable in the near-infrared signal across 1413-1900 nm and mid-infrared idler over 2418-4307 nm by angle tuning of the crystal at room temperature. With non-optimized output coupling of similar to 10%, the OPO simultaneously delivers 2.4 W of signal at 1664 nm and 1.7 W of idler at 2950 nm at an overall extraction efficiency of similar to 45% with high beam-pointing stability <30 mu rad and <14 mu rad for the signal and idler, respectively. The generated signal and idler exhibit passive power stability better than 1% rms and 0.8% rms over 15 h, respectively, in high beam quality with TEM00 profile. The extracted signal pulses from the OPO have duration of 15.2 ps with a spectral bandwidth of 0.7 nm, corresponding to a time-bandwidth product of Delta upsilon Delta tau similar to 1.2. (C) 2015 Optical Society of America
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