Generation of a stable low-frequency squeezed vacuum field with periodically-poled KTiOPO${}_4$ at 1064 nm

Keisuke Goda, Eugeniy E. Mikhailov, Osamu Miyakawa +4

We report on the generation of a stable continuous-wave low-frequency squeezed vacuum field with a squeezing level of $3.8\pm 0.1$ dB at 1064 nm, the wavelength at which laser inter…