= Frequency independent squeezing =

 [[SQZ-ASQZ measurement|{{attachment:20210226_sqzasqz.png||width=500}}]]

'''Losses factors''':

Dichroic mirror: 1%

Faraday isolator: 3%

Mirror losses/lenses losses: 2%

Detection efficiency: 3%

Photodiode quantum efficiency: 0.5%

Photodiode AR coating: 0.5%

Electronic dark noise: 1%

OPO escape inefficiency: 9.6%

Total: 19.1%

= Frequency dependent squeezing =

 [[SQZ-ASQZ measurement|{{attachment:fds1.png||width=500}}]]

'''Losses factors''':

In vacuum losses: 12.5%

In air propagation losses: 12%

Detection efficiency: 6%

Photodiode quantum efficiency: 0.5%

Photodiode AR coating: 0.5%

Electronic dark noise: 1%

OPO escape inefficiency: 9.6%

Total: 35.9%