artiq/examples/al_spectroscopy.py

from artiq.language.units import *
from artiq.language.experiment import *

class AluminumSpectroscopy(MPO):
	channels = "core mains_sync laser_cooling spectroscopy spectroscopy_b state_detection pmt"
	parameters = "spectroscopy_freq photon_limit_low photon_limit_high"

	@kernel
	def run(self):
		state_0_count = 0
		for count in range(100):
			self.mains_sync.wait_edge()
			delay(10*us)
			self.laser_cooling.pulse(100*MHz, 100*us)
			delay(5*us)
			with parallel:
				self.spectroscopy.pulse(self.spectroscopy_freq, 100*us)
				with sequential:
					delay(50*us)
					self.spectroscopy_b.set(200)
			delay(5*us)
			while True:
				delay(5*us)
				with parallel:
					self.state_detection.pulse(100*MHz, 10*us)
					photon_count = self.pmt.count_gate(10*us)
				if photon_count < self.photon_limit_low or photon_count > self.photon_limit_high:
					break
			if photon_count < self.photon_limit_low:
				state_0_count += 1
		return state_0_count

if __name__ == "__main__":
	from artiq.sim import devices as sd
	from artiq.sim import time

	exp = AluminumSpectroscopy(
		core=sd.Core(),
		mains_sync=sd.Input("mains_sync"),
		laser_cooling=sd.WaveOutput("laser_cooling"),
		spectroscopy=sd.WaveOutput("spectroscopy"),
		spectroscopy_b=sd.VoltageOutput("spectroscopy_b"),
		state_detection=sd.WaveOutput("state_detection"),
		pmt=sd.Input("pmt"),

		spectroscopy_freq=432*MHz,
		photon_limit_low=10,
		photon_limit_high=15
	)
	exp.run()
	print(time.manager.format_timeline())