def measure_pulsed_spectroscopy(self, freqs, MC=None, analyze=True,
return_detector=False,
close_fig=True, upload=True, update=True,
use_max=False):
"""
Measure pulsed spec with the qubit.
Accepts a manual sequence parameters, which has to be a call to a
pulse generation allowing for alternative sequences to be played
instead of the standard one
"""
self.prepare_for_pulsed_spec()
self.heterodyne_instr.get_instr()._disable_auto_seq_loading = True
self.cw_source.get_instr().pulsemod_state.set('On')
self.cw_source.get_instr().power.set(self.spec_pow_pulsed.get())
self.cw_source.get_instr().on()
if MC is None:
MC = self.MC.get_instr()
spec_pars, RO_pars = self.get_spec_pars()
# Upload the AWG sequence
sq.Pulsed_spec_seq(spec_pars, RO_pars)
self.AWG.get_instr().start()
if return_detector:
return det.Heterodyne_probe(self.heterodyne_instr.get_instr())
else:
MC.set_sweep_function(pw.wrap_par_to_swf(
self.cw_source.get_instr().frequency, retrieve_value=True))
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr.get_instr()))
MC.run(name='pulsed-spec'+self.msmt_suffix)
if analyze or update:
ma_obj = ma.Qubit_Spectroscopy_Analysis(
auto=True, label='pulsed', close_fig=close_fig)
if use_max:
f_qubit = ma_obj.peaks['peak']
else:
f_qubit = ma_obj.fitted_freq
if update:
self.f_qubit(f_qubit)
self.cw_source.get_instr().off()
return f_qubit
def measure_heterodyne_spectroscopy(self,
freqs=None,
MC=None,
analyze=True,
close_fig=True):
""" Varies the frequency of the microwave source to the resonator and
measures the transmittance """
if freqs is None:
raise ValueError("Unspecified frequencies for measure_heterodyne_"
"spectroscopy")
if MC is None:
MC = self.MC
previous_freq = self.heterodyne_instr.frequency()
self.prepare_for_continuous_wave()
MC.set_sweep_function(
pw.wrap_par_to_swf(self.heterodyne_instr.frequency))
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr,
trigger_separation=5e-6,
demod_mode='single'))
MC.run(name='resonator_scan' + self.msmt_suffix)
self.heterodyne_instr.frequency(previous_freq)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
def measure_spectroscopy(self,
freqs=None,
MC=None,
analyze=True,
close_fig=True,
update=False):
""" Varies qubit drive frequency and measures the resonator
transmittance """
if freqs is None:
raise ValueError("Unspecified frequencies for "
"measure_spectroscopy and no previous value")
if MC is None:
MC = self.MC
self.prepare_for_continuous_wave()
self.cw_source.on()
MC.set_sweep_function(pw.wrap_par_to_swf(self.cw_source.frequency))
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr,
trigger_separation=2.8e-6,
demod_mode='single'))
MC.run(name='spectroscopy' + self.msmt_suffix)
self.cw_source.off()
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
def measure_spectroscopy(self, freqs, pulsed=False, MC=None,
analyze=True, close_fig=True,
force_load=True, use_max=False, update=True):
self.prepare_for_continuous_wave()
self.cw_source.get_instr().on()
if MC is None:
MC = self.MC.get_instr()
if pulsed:
# Redirect to the pulsed spec function
return self.measure_pulsed_spectroscopy(freqs=freqs,
MC=MC,
analyze=analyze,
close_fig=close_fig,
update=update,
upload=force_load)
MC.set_sweep_function(pw.wrap_par_to_swf(
self.cw_source.get_instr().frequency, retrieve_value=True))
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(
self.heterodyne_instr.get_instr(),
trigger_separation=5e-6 + self.RO_acq_integration_length(),
RO_length=self.RO_acq_integration_length()))
MC.run(name='spectroscopy'+self.msmt_suffix)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
self.cw_source.get_instr().off()
def measure_spectroscopy(self,
freqs,
pulsed=False,
MC=None,
analyze=True,
close_fig=True,
mode='ROGated_SpecGate',
force_load=False):
self.prepare_for_continuous_wave()
self.cw_source.on()
if MC is None:
MC = self.MC
if pulsed:
# Redirect to the pulsed spec function
return self.measure_pulsed_spectroscopy(freqs=freqs,
MC=MC,
analyze=analyze,
close_fig=close_fig,
mode=mode,
force_load=force_load)
MC.set_sweep_function(pw.wrap_par_to_swf(self.cw_source.frequency))
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr,
trigger_separation=2.8e-6))
MC.run(name='spectroscopy' + self.msmt_suffix)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
self.cw_source.off()
def measure_pulsed_spectroscopy(self,
freqs,
MC=None,
analyze=True,
return_detector=False,
close_fig=True,
upload=True):
"""
Measure pulsed spec with the qubit.
Accepts a manual sequence parameters, which has to be a call to a
pulse generation allowing for alternative sequences to be played
instead of the standard one
"""
self.prepare_for_pulsed_spec()
self.heterodyne_instr._disable_auto_seq_loading = True
self.cw_source.pulsemod_state.set('On')
self.cw_source.power.set(self.spec_pow_pulsed.get())
self.cw_source.on()
if MC is None:
MC = self.MC
spec_pars, RO_pars = self.get_spec_pars()
# Upload the AWG sequence
sq.Pulsed_spec_seq(spec_pars, RO_pars)
self.AWG.start()
if return_detector:
return det.Heterodyne_probe(self.heterodyne_instr)
else:
MC.set_sweep_function(self.cw_source.frequency)
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr))
MC.run(name='pulsed-spec' + self.msmt_suffix)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
self.cw_source.off()
def measure_resonator_dac(self, freqs, dac_voltages,
MC=None, analyze=True, close_fig=True):
self.prepare_for_continuous_wave()
if MC is None:
MC = self.MC
MC.set_sweep_functions(
[self.heterodyne_instr.frequency,
self.IVVI.parameters['dac{}'.format(self.dac_channel())]])
MC.set_sweep_points(freqs)
MC.set_sweep_points_2D(dac_voltages)
MC.set_detector_function(det.Heterodyne_probe(self.heterodyne_instr))
MC.run(name='Resonator_dac_scan'+self.msmt_suffix, mode='2D')
if analyze:
ma.MeasurementAnalysis(auto=True, TwoD=True, close_fig=close_fig)
def measure_heterodyne_spectroscopy(self, freqs, MC=None,
analyze=True, close_fig=True):
self.prepare_for_continuous_wave()
# sqts.Pulsed_spec_seq(spec_pars, RO_pars)
if MC is None:
MC = self.MC.get_instr()
MC.set_sweep_function(pw.wrap_par_to_swf(
self.heterodyne_instr.get_instr().frequency, retrieve_value=True))
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr.get_instr(),
trigger_separation=self.RO_acq_integration_length()+5e-6, RO_length=self.RO_acq_integration_length()))
MC.run(name='Resonator_scan'+self.msmt_suffix)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
def measure_resonator_power(self, freqs, powers,
MC=None, analyze=True, close_fig=True):
'''
N.B. This one does not use powers but varies the mod-amp.
Need to find a way to keep this function agnostic to that
'''
self.prepare_for_continuous_wave()
if MC is None:
MC = self.MC
MC.set_sweep_functions(
[pw.wrap_par_to_swf(self.heterodyne_instr.frequency),
pw.wrap_par_to_swf(self.heterodyne_instr.RF_power)])
MC.set_sweep_points(freqs)
MC.set_sweep_points_2D(powers)
MC.set_detector_function(det.Heterodyne_probe(self.heterodyne_instr))
MC.run(name='Resonator_power_scan'+self.msmt_suffix, mode='2D')
if analyze:
ma.MeasurementAnalysis(auto=True, TwoD=True, close_fig=close_fig)
def measure_heterodyne_spectroscopy(self,
freqs,
MC=None,
analyze=True,
close_fig=True,
RO_length=2000e-9):
self.prepare_for_continuous_wave()
if MC is None:
MC = self.MC
MC.set_sweep_function(
pw.wrap_par_to_swf(self.heterodyne_instr.frequency))
MC.set_sweep_points(freqs)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr,
trigger_separation=2.8e-6,
RO_length=2274e-9))
MC.run(name='Resonator_scan' + self.msmt_suffix)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
def measure_pulsed_spectroscopy(self,
freqs,
mode='ROGated_SpecGate',
MC=None,
analyze=True,
close_fig=True,
force_load=False):
# This is a trick so I can reuse the heterodyne instr
# to do pulsed-spectroscopy
self.heterodyne_instr._disable_auto_seq_loading = True
if mode == 'ROMod_SpecGated':
if ('Pulsed_spec_with_RF_mod'
not in self.AWG.setup_filename.get()) or force_load:
st_seqs.Pulsed_spec_seq_RF_mod(
IF=self.f_RO_mod.get(),
spec_pulse_length=spec_pulse_length,
marker_interval=30e-6,
RO_pulse_delay=self.RO_pulse_delay.get())
elif mode == 'ROGated_SpecGate':
if ('Pulsed_spec_with_RF_gated'
not in self.AWG.setup_filename.get()) or force_load:
st_seqs.Pulsed_spec_seq_RF_gated(self.RO_pars, self.pulse_pars)
else:
NotImplementedError(
'Pulsed Spec mode not supported. Only ROMod_SpecGated and ROGated_SpecGate are avaible right now.\n'
)
self.cw_source.pulsemod_state.set('on')
self.cw_source.power.set(self.spec_pow_pulsed.get())
self.AWG.start()
if hasattr(self.heterodyne_instr, 'mod_amp'):
self.heterodyne_instr.set('mod_amp', self.mod_amp_cw.get())
else:
self.heterodyne_instr.RF.power(self.RO_power_cw())
MC.set_sweep_function(pw.wrap_par_to_swf(self.cw_source.frequency))
MC.set_sweep_points(freqs)
MC.set_detector_function(det.Heterodyne_probe(self.heterodyne_instr))
MC.run(name='pulsed-spec' + self.msmt_suffix)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)
def measure_homodyne_acqusition_delay(self,
delays=None,
MC=None,
analyze=True,
close_fig=True):
"""
Varies the delay between the homodyne modulation signal and
acquisition. Measures the transmittance.
"""
if delays is None:
raise ValueError("Unspecified delays for measure_homodyne_"
"acquisition_delay")
if MC is None:
MC = self.MC
# set number of averages to 1 due to a readout bug
previous_nr_averages = self.heterodyne_instr.nr_averages()
self.heterodyne_instr.nr_averages(1)
previous_delay = self.heterodyne_instr.acquisition_delay()
self.prepare_for_continuous_wave()
MC.set_sweep_function(
pw.wrap_par_to_swf(self.heterodyne_instr.acquisition_delay))
MC.set_sweep_points(delays)
MC.set_detector_function(
det.Heterodyne_probe(self.heterodyne_instr,
trigger_separation=5e-6,
demod_mode='single'))
MC.run(name='acquisition_delay_scan' + self.msmt_suffix)
self.heterodyne_instr.acquisition_delay(previous_delay)
self.heterodyne_instr.nr_averages(previous_nr_averages)
if analyze:
ma.MeasurementAnalysis(auto=True, close_fig=close_fig)