METHOD FOR STABILIZING NARROW-BAND SOURCES OF NON-CLASSICAL STATES OF LIGHT OBTAINED BY INTRA-CAVITY GENERATION OF SPONTANEOUS PARAMETRIC LIGHT SCATTERING, AND DEVICE FOR ITS IMPLEMENTATION Russian patent published in 2024 - IPC H01S3/107 

FIELD: quantum and nonlinear optics.

SUBSTANCE: method for stabilizing the wavelengths of various non-classical states of light. A method for stabilizing narrow-band sources of non-classical states of light obtained by intra-cavity generation of spontaneous parametric light scattering and a device for its implementation includes: generation of reference radiation at a target wavelength, scanning the transmission of the optical cavity of the source of non-classical states of light, changing the effective optical length of the source cavity, detuning the reference laser radiation from the target wavelength, stabilization of a tunable single-frequency reference laser, stabilization of the source optical resonator, adjustment of the effective length of the optical resonator.

EFFECT: stabilization of narrow-band non-classical states of light with an accuracy of the sub-MHz range.

3 cl, 4 dwg