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Theoretical optimization of the conversion efficiency in a pump-enhanced singly resonant optical parametric oscillator

XIAOJUAN YAN1,* , ZHIHANG ZHANG1, XINKE XU1, SHIJUN REN1, WEIGUANG MA1,2, WEI TAN3

Affiliation

  1. College of Physics and Electronic Engineering, Shanxi University, Taiyuan 030006, China
  2. Institute of Laser Spectroscopy, State Key Laboratory of Quantum Optics and Quantum Optics Devices, Shanxi University, Taiyuan 030006, China
  3. School of Information Science and Engineering, Shandong University, Qingdao 266237, China

Abstract

We describe the theoretical treatment of the pump-enhanced singly resonant optical parametric oscillator (OPO) in which pump and signal simultaneously resonate in the cavity. The research shows that the photon conversion efficiency of pump-enhanced singly resonant OPO is related to the reflectivity of input coupler and the incident power ratio. Under specific incident power ratio, the maximum photon conversion efficiency can be obtained in the region where impedance matching is met. Considering the pump linear loss of 0.9% in the ring cavity, the maximum value of photon conversion efficiency is 99.6% that is higher than singly resonant OPO.

Keywords

Pump-enhanced singly resonant OPO, Conversion efficiency, Mid-infrared laser.

Citation

XIAOJUAN YAN, ZHIHANG ZHANG, XINKE XU, SHIJUN REN, WEIGUANG MA, WEI TAN, Theoretical optimization of the conversion efficiency in a pump-enhanced singly resonant optical parametric oscillator, Optoelectronics and Advanced Materials - Rapid Communications, 16, 1-2, January-February 2022, pp.1-9 (2022).

Submitted at: Aug. 19, 2021

Accepted at: Feb. 10, 2022