Abstract
We demonstrate a high efficiency mid-infrared laser source based on optical parametric oscillator (OPO) assisted by an intracavity optical parametric amplification (OPA). The OPA-assisted-OPO scheme was realized in one piece of commensurable dual-periodic superlattice in which the signal light generated from the OPO process serves as the pump light for the OPA process. A maximum output power of 508 mW at 3.92 μm was achieved under a pump power of 2.85 W at 1.064 μm. The pump-to-idler conversion efficiency is 17.8% and the slope efficiency is 23.8%, and the enhancements of them are 58.9% and 67.6%, respectively, comparing with the standard OPO scheme.
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Liu, Y.H., Lv, X.J., Xie, Z.D. et al. Amplification assisted optical parametric oscillator in the mid-infrared region. Appl. Phys. B 106, 267–270 (2012). https://doi.org/10.1007/s00340-011-4695-9
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DOI: https://doi.org/10.1007/s00340-011-4695-9