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.
Mertz
J
J
Debuisschert
T
T
Heidmann
A
A
Fabre
C
C
Giacobino
E
E