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artiq/examples/photon_histogram.py

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Python
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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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@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
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def run(self, nbins=100, repeats=100):
hist = [0 for _ in range (nbins)]
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for i in range(repeats):
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n = self.cool_detect()
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if n >= nbins:
n = nbins - 1
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hist[n] += 1
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print(hist)