Tunable telecom to mid-infrared optical parametric oscillation via microring-based $\chi^{(3)}$ nonlinearities

@article{Tang2019TunableTT,
  title={Tunable telecom to mid-infrared optical parametric oscillation via microring-based \$\chi^\{(3)\}\$ nonlinearities},
  author={Yulong Tang and Zheng Gong and Xiangwen Liu and Hong X. Tang},
  journal={arXiv: Applied Physics},
  year={2019}
}
Optical parametric oscillation (OPO) with far-shifted frequency sidebands has attracted significant interests in precision spectroscopy and quantum information processing. Microresonator based OPO sources hold the advantages of miniaturized footprint and versatile dispersion engineering. Here we demonstrate large-frequency-shifted $\chi^{(3)}$-based OPO from crystalline aluminum nitride microrings pumped at $\sim$2 $\mu$m in the normal dispersion regime. OPO in the telecom and mid-infrared… 
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