artiq/examples/photon_histogram.py

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from artiq import *
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class PhotonHistogram(AutoContext):
bd = Device("dds")
bdd = Device("dds")
pmt = Device("ttl_in")
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repeats = Parameter(100)
nbins = Parameter(100)
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@kernel
def cool_detect(self):
with parallel:
self.bd.pulse(200*MHz, 1*ms)
self.bdd.pulse(300*MHz, 1*ms)
self.bd.pulse(210*MHz, 100*us)
with parallel:
self.bd.pulse(220*MHz, 100*us)
self.pmt.gate_rising(100*us)
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self.bd.on(200*MHz)
self.bdd.on(300*MHz)
return self.pmt.count()
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@kernel
def run(self):
hist = array(0, self.nbins)
for i in range(self.repeats):
n = self.cool_detect()
if n >= self.nbins:
n = self.nbins-1
hist[n] += 1
for i in range(self.nbins):
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print(i, hist[i])