Since 2020, aggregated from related topics
An optical parametric oscillator (OPO) is a nonlinear optical device that produces coherent light with frequencies that are related to a pump laser by the process of parametric down-conversion. This device is widely used in various fields such as spectroscopy, imaging, and telecommunications due to its ability to generate tunable and coherent light across a wide range of wavelengths. The OPO operates by converting the energy of a pump laser into pairs of photons with lower energies, resulting in the generation of new wavelengths that can be tuned by adjusting the OPO's parameters. This allows researchers to explore a wide range of applications in the field of optics and photonics.