Yuhang and Michael fitted this data with mcmc. The detuning fluctuation with mcmc is 8 Hz. The fit has been started from 60 Hz.
Left: mcmc (detuning: 59-67 Hz)
Right: least square (detuning: 51-69 Hz)
The following table shows the result of mcmc. The generated squeezing with mcmc is 9.0-10.2 dB, which correponds to the nonlinear gain of 3.6-4.5. This fluctuation seems too large.
detuning (Hz) | homodyne angle (deg) | generated squeezing (dB) | loss (%) |
58.7 +1.6/-2.5 | -2.7 +0.5/-0.5 | 9.6 +0.3/-0.2 | 51.9 +0.8/-0.8 |
63.8 +0.5/-0.5 | 21.5 +0.1/-0.1 | 9.0 +0.05/-0.02 | 53.9 +0.1/-0.1 |
62.4 +0.7/-0.9 | 36.3 +0.3/-0.7 | 9.1 +0.1/-0.1 | 53.8 +0.2/-0.3 |
62.4 +1.4/-1.7 | 58.0 +1.3/-1.6 | 9.1 +0.2/-0.1 | 48.8 +1.6/-1.9 |
67.5 +1.4/-1.4 | 98.5 +1.5/-1.5 | 10.2 +0.2/-0.3 | 50.5 +2.5/-3.8 |