#!/usr/bin/env python
# coding: utf-8

# In[1]:


import finesse
finesse.configure(plotting=True)

kat = finesse.Model()
kat.parse(
    """
    l l1 P=1
    s s1 l1.p1 bs1.p4 L=1
    sq sq1 db=10
    s s2 sq1.p1 bs1.p1
    bs bs1 R=0.5 L=0 alpha=45

    # Set a signal frequency to activate the signal simulation
    # (needed for squeezing effects to be observed)
    fsig(1)

    # Output the pure shot noise along with the qnoised detector
    # measuring the effects of the squeezing
    qnoised sqzd_noise bs1.p2.o
    qshot shot_noise bs1.p2.o

    xaxis(l1.phase, lin, -90, 90, 360)
    """
)


# In[2]:


out = kat.run()
out.plot(separate=False);