Low Threshold, Dual-Wavelength, Mid-Infrared Optical Parametric Oscillator
IEEE Photonics Journal（2019）
Abstract
In this letter, we demonstrated a dual-wavelength (DW) mid-infrared optical parametric oscillator (OPO) that was pumped by two independent fiber lasers fixed at 1018 nm and 1080 nm, and realized phase-matched signal beam coupling by tuning grating period of PPLN. Based on signal beam coupling, two interesting phenomena were observed for the first time. One is that the OPO threshold for 1018 nm and...
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Key words
Laser excitation,Laser beams,Fiber lasers,Pump lasers,Measurement by laser beam,Gratings,Couplings
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