def __init__(self, path='', liveplot_enabled = False, prefix='Pulse_Probe', config_file='..\\config.json', use_cal=False, **kwargs):
Experiment.__init__(self, path=path, prefix=prefix, config_file=config_file, liveplot_enabled = liveplot_enabled, **kwargs)
self.expt_cfg_name = prefix.lower()
self.liveplot_enabled = liveplot_enabled
self.pulse_type = self.cfg[self.expt_cfg_name]['pulse_type']
self.expt_pts = arange(self.cfg[self.expt_cfg_name]['start'], self.cfg[self.expt_cfg_name]['stop'], self.cfg[self.expt_cfg_name]['step'])
self.pulse_sequence = PulseProbeSequence(self.cfg['awgs'], self.cfg[self.expt_cfg_name], self.cfg['readout'],self.cfg['pulse_info'][self.pulse_type], self.cfg['buffer'],self.cfg)
self.pulse_sequence.build_sequence()
self.pulse_sequence.write_sequence(os.path.join(self.path, '../sequences/'), prefix, upload=True)
self.cfg['alazar']['samplesPerRecord'] = 2 ** (self.cfg['readout']['width'] - 1).bit_length()
self.cfg['alazar']['recordsPerBuffer'] = 100
self.cfg['alazar']['recordsPerAcquisition'] = 10000
return
def __init__(self, path='', prefix='Pulse_Probe', config_file='..\\config.json', use_cal=False, **kwargs):
Experiment.__init__(self, path=path, prefix=prefix, config_file=config_file, **kwargs)
self.expt_cfg_name = prefix.lower()
self.pulse_type = self.cfg[self.expt_cfg_name]['pulse_type']
self.expt_pts = arange(self.cfg[self.expt_cfg_name]['start'], self.cfg[self.expt_cfg_name]['stop'], self.cfg[self.expt_cfg_name]['step'])
self.pulse_sequence = PulseProbeSequence(self.cfg['awgs'], self.cfg[self.expt_cfg_name], self.cfg['readout'],self.cfg['pulse_info'][self.pulse_type], self.cfg['buffer'])
self.pulse_sequence.build_sequence()
self.pulse_sequence.write_sequence(os.path.join(self.path, '../sequences/'), prefix, upload=True)
self.cfg['alazar']['samplesPerRecord'] = 2 ** (self.cfg['readout']['width'] - 1).bit_length()
self.cfg['alazar']['recordsPerBuffer'] = 200
self.cfg['alazar']['recordsPerAcquisition'] = 20000
return
class PulseProbeExperiment(Experiment):
def __init__(self, path='', liveplot_enabled = False, prefix='Pulse_Probe', config_file='..\\config.json', use_cal=False, **kwargs):
Experiment.__init__(self, path=path, prefix=prefix, config_file=config_file, liveplot_enabled = liveplot_enabled, **kwargs)
self.expt_cfg_name = prefix.lower()
self.liveplot_enabled = liveplot_enabled
self.pulse_type = self.cfg[self.expt_cfg_name]['pulse_type']
self.expt_pts = arange(self.cfg[self.expt_cfg_name]['start'], self.cfg[self.expt_cfg_name]['stop'], self.cfg[self.expt_cfg_name]['step'])
self.pulse_sequence = PulseProbeSequence(self.cfg['awgs'], self.cfg[self.expt_cfg_name], self.cfg['readout'],self.cfg['pulse_info'][self.pulse_type], self.cfg['buffer'],self.cfg)
self.pulse_sequence.build_sequence()
self.pulse_sequence.write_sequence(os.path.join(self.path, '../sequences/'), prefix, upload=True)
self.cfg['alazar']['samplesPerRecord'] = 2 ** (self.cfg['readout']['width'] - 1).bit_length()
self.cfg['alazar']['recordsPerBuffer'] = 100
self.cfg['alazar']['recordsPerAcquisition'] = 10000
return
def go(self):
if self.liveplot_enabled:
self.plotter.clear()
# self.save_config()
print("Prep Instruments")
self.readout.set_frequency(self.cfg['readout']['frequency']-self.cfg['readout']['heterodyne_freq'])
self.readout.set_power(self.cfg['readout']['power'])
self.readout.set_ext_pulse(mod=self.cfg['readout']['mod'])
self.readout.set_output(True)
self.readout_shifter.set_phase(self.cfg['readout']['start_phase']%360, self.cfg['readout']['frequency'])
self.drive.set_power(self.cfg['drive']['power'])
self.drive.set_ext_pulse(mod=self.cfg['drive']['mod'])
self.drive.set_output(True)
try:
self.readout_atten.set_attenuator(self.cfg['readout']['dig_atten'])
except:
print("error in setting digital attenuator")
try:
self.awg.set_amps_offsets(self.cfg['cal']['iq_amps'], self.cfg['cal']['iq_offsets'])
self.awg.run()
except:
print("error in setting awg")
print("Prep Card")
adc = Alazar(self.cfg['alazar'])
for freq in self.expt_pts:
self.drive.set_frequency(freq-self.cfg[self.expt_cfg_name]['iq_freq'])
expt_data_ch1 = None
expt_data_ch2 = None
expt_data_mag = None
for ii in tqdm(arange(max(1, self.cfg[self.expt_cfg_name]['averages'] / 100))):
tpts, ch1_pts, ch2_pts = adc.acquire_avg_data()
mag = sqrt(ch1_pts ** 2 + ch2_pts ** 2)
if expt_data_ch1 is None:
expt_data_ch1 = ch1_pts
expt_data_ch2 = ch2_pts
else:
expt_data_ch1 = (expt_data_ch1 * ii + ch1_pts) / (ii + 1.0)
expt_data_ch2 = (expt_data_ch2 * ii + ch2_pts) / (ii + 1.0)
expt_mag = sqrt(expt_data_ch1 ** 2 + expt_data_ch2 ** 2)
if self.liveplot_enabled:
self.plotter.append_xy('readout_avg_freq_scan1', freq, mean(expt_data_ch1[0:]))
self.plotter.append_xy('readout_avg_freq_scan2', freq, mean(expt_data_ch2[0:]))
self.plotter.append_xy('readout_avg_freq_scan_mag', freq, mean(expt_mag[0:]))
self.plotter.append_z('scope1', expt_data_ch1)
self.plotter.append_z('scope2', expt_data_ch2)
self.plotter.append_z('scope_mag', expt_mag)
with self.datafile() as f:
f.append_pt('freq', freq)
f.append_pt('ch1_mean', mean(expt_data_ch1[0:]))
f.append_pt('ch2_mean', mean(expt_data_ch2[0:]))
f.append_pt('mag_mean', mean(expt_mag[0:]))
class PulseProbeExperiment(Experiment):
def __init__(self, path='', prefix='Pulse_Probe', config_file='..\\config.json', use_cal=False, **kwargs):
Experiment.__init__(self, path=path, prefix=prefix, config_file=config_file, **kwargs)
self.expt_cfg_name = prefix.lower()
self.pulse_type = self.cfg[self.expt_cfg_name]['pulse_type']
self.expt_pts = arange(self.cfg[self.expt_cfg_name]['start'], self.cfg[self.expt_cfg_name]['stop'], self.cfg[self.expt_cfg_name]['step'])
self.pulse_sequence = PulseProbeSequence(self.cfg['awgs'], self.cfg[self.expt_cfg_name], self.cfg['readout'],self.cfg['pulse_info'][self.pulse_type], self.cfg['buffer'])
self.pulse_sequence.build_sequence()
self.pulse_sequence.write_sequence(os.path.join(self.path, '../sequences/'), prefix, upload=True)
self.cfg['alazar']['samplesPerRecord'] = 2 ** (self.cfg['readout']['width'] - 1).bit_length()
self.cfg['alazar']['recordsPerBuffer'] = 200
self.cfg['alazar']['recordsPerAcquisition'] = 20000
return
def go(self):
self.plotter.clear()
# self.save_config()
print "Prep Instruments"
self.readout.set_frequency(self.cfg['readout']['frequency'])
self.readout.set_power(self.cfg['readout']['power'])
self.readout.set_ext_pulse(mod=True)
self.readout_shifter.set_phase(self.cfg['readout']['start_phase']%360, self.cfg['readout']['frequency'])
self.drive.set_power(self.cfg['drive']['power'])
self.drive.set_ext_pulse(mod=True)
self.drive.set_output(True)
self.readout_atten.set_attenuator(self.cfg['readout']['dig_atten'])
self.awg.set_amps_offsets(self.cfg['cal']['iq_amps'], self.cfg['cal']['iq_offsets'])
self.awg.run()
print "Prep Card"
adc = Alazar(self.cfg['alazar'])
for freq in self.expt_pts:
self.drive.set_frequency(freq)
tpts, ch1_pts, ch2_pts = adc.acquire_avg_data()
mag = sqrt(ch1_pts**2+ch2_pts**2)
self.plotter.append_xy('avg_pulse_probe_freq_scan1', freq, mean(ch1_pts[0:]))
self.plotter.append_xy('avg_pulse_probe_freq_scan2', freq, mean(ch2_pts[0:]))
self.plotter.append_xy('avg_pulse_probe_freq_mag', freq, mean(mag[0:]))
self.plotter.append_z('scope1',ch1_pts)
self.plotter.append_z('scope2',ch2_pts)
self.plotter.append_z('scope_mag',mag)
with self.datafile() as f:
f.append_pt('freq', freq)
f.append_pt('ch1_mean', mean(ch1_pts[0:]))
f.append_pt('ch2_mean', mean(ch2_pts[0:]))
f.append_pt('mag_mean', mean(mag[0:]))
