Generation of bright squeezed light at 1.06 $\mu m$ using cascaded non-linearities in a triply resonant c.w. PPLN OPO

K. S. Zhang, T. Coudreau, M. Martinelli +2

We have used an ultra-low threshold continuous-wave Optical Parametric Oscillator (OPO) to reduce the quantum fluctuations of the reflected pump beam below the shot noise limit. Th…