Improvements in the observed intensity correlation of optical parametric oscillator twin beams.
We report an observed quantum noise reduction of 86% (8.5 dB) near 3 MHz in the intensity difference between the twin beams generated by a nondegenerate type II optical parametric oscillator operating above threshold.
J
J
Mertz
T
T
Debuisschert
A
A
Heidmann
C
C
Fabre
E
E
Giacobino