Author:
Kögler Roger A.,Rickli Gabriel C.,Domeneguetti Renato R.,Ji Xingchen,Gaeta Alexander L.,Lipson Michal,Martinelli Marcelo,Nussenzveig Paulo A.
Abstract
We reconstruct covariance matrices of two-mode states generated in an above-threshold on-chip optical parametric oscillator. Up to 2.3 dB squeezing is directly observed and all quadratures are measured, as a function of pump intensity.