期刊
OPTICS LETTERS
卷 41, 期 21, 页码 5114-5117出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.41.005114
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资金
- ELI European project
- Istituto Nazionale di Fisica Nucleare (INFN) (SUPREMO)
- Horizon [EMPIR-15SIB05-OFTEN]
We report on the generation of coherent mid-infrared radiation around 5.85 mu m by difference frequency generation (DFG) of a continuous-wave Nd:YAG laser at 1064 nm and a diode laser at 1301 nm in an orientation-patterned gallium phosphide (OP-GaP) crystal. We provide the first characterization of the linear, thermo-optic, and nonlinear properties of OP-GaP in a DFG configuration. Moreover, by comparing the experimental efficiency to Gaussian beam DFG theory, we derive an effective nonlinear coefficient d = 17(3) pm/V for first-order quasi-phase-matched OP-GaP. The temperature and signal wavelength tuning curves are in qualitative agreement with theoretical modeling. (C) 2016 Optical Society of America
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