def _create_laser_pulses(msmt,Gate):
Gate.AWG_repump = pulse.SquarePulse(channel ='AOM_Newfocus',name = 'repump',
length = msmt.params['LDE_SP_duration'],amplitude = 1.)
if (msmt.params['is_two_setup_experiment'] > 0 and msmt.current_setup == 'lt4'):
### The LT4 eom is not connected for this measurement. set amplitudes to 0.
msmt.params['eom_off_amplitude'] = 0
msmt.params['eom_pulse_amplitude'] = 0
msmt.params['eom_overshoot1'] = 0
msmt.params['eom_overshoot2'] = 0
msmt.params['eom_overshoot2'] = 0
Gate.eom_pulse = msmt.eom_pulse = eom_pulses.OriginalEOMAOMPulse('Eom_Aom_Pulse',
eom_channel = 'EOM_Matisse',
aom_channel = 'EOM_AOM_Matisse',
eom_pulse_duration = msmt.params['eom_pulse_duration'],
eom_off_duration = msmt.params['eom_off_duration'],
eom_off_amplitude = msmt.params['eom_off_amplitude'],
eom_pulse_amplitude = msmt.params['eom_pulse_amplitude'],
eom_overshoot_duration1 = msmt.params['eom_overshoot_duration1'],
eom_overshoot1 = msmt.params['eom_overshoot1'],
eom_overshoot_duration2 = msmt.params['eom_overshoot_duration2'],
eom_overshoot2 = msmt.params['eom_overshoot2'],
aom_risetime = msmt.params['aom_risetime'],
aom_amplitude = msmt.params['aom_amplitude'])
Gate.yellow = pulse.SquarePulse(channel = 'AOM_Yellow',name = 'reionize',
length = msmt.params['LDE_SP_duration'],amplitude = 1.)
def _setup_params(msmt, setup):
msmt.params['setup'] = setup
if setup == 'lt4':
import measurement.scripts.bell.params_lt4 as params_lt4
reload(params_lt4)
for k in params_lt4.params_lt4:
msmt.params[k] = params_lt4.params_lt4[k]
msmt.params['MW_BellStateOffset'] = 0.0
bseq.pulse_defs_lt4(msmt)
elif setup == 'lt3':
import measurement.scripts.bell.params_lt3 as params_lt3
reload(params_lt3)
for k in params_lt3.params_lt3:
msmt.params[k] = params_lt3.params_lt3[k]
msmt.params['MW_BellStateOffset'] = 0.0
bseq.pulse_defs_lt3(msmt)
elif setup == 'lt1':
msmt.params['setup'] = 'lt4'
# LDE Sequence in the AWGs # params taken from the previous LT1 params
msmt.params['eom_pulse_amplitude'] = 1.9
msmt.params['eom_pulse_duration'] = 2e-9
msmt.params['eom_off_duration'] = 50e-9
msmt.params['eom_off_amplitude'] = -0.293 # calibration 2015-11-04
msmt.params['eom_overshoot_duration1'] = 20e-9
msmt.params['eom_overshoot1'] = -0.04
msmt.params['eom_overshoot_duration2'] = 4e-9
msmt.params['eom_overshoot2'] = -0.00
msmt.params['aom_risetime'] = 17e-9
msmt.params['aom_amplitude'] = 0.57 #CR 31
msmt.eom_pulse = eom_pulses.OriginalEOMAOMPulse(
'Eom Aom Pulse',
eom_channel='EOM_Matisse',
aom_channel='FM',
eom_pulse_duration=msmt.params['eom_pulse_duration'],
eom_off_duration=msmt.params['eom_off_duration'],
eom_off_amplitude=msmt.params['eom_off_amplitude'],
eom_pulse_amplitude=msmt.params['eom_pulse_amplitude'],
eom_overshoot_duration1=msmt.params['eom_overshoot_duration1'],
eom_overshoot1=msmt.params['eom_overshoot1'],
eom_overshoot_duration2=msmt.params['eom_overshoot_duration2'],
eom_overshoot2=msmt.params['eom_overshoot2'],
aom_risetime=msmt.params['aom_risetime'],
aom_amplitude=msmt.params['aom_amplitude'])
def pulse_defs_lt4(msmt):
# a waiting pulse on the MW pulsemod channel
msmt.T = pulse.SquarePulse(channel='MW_pulsemod',
length=50e-9,
amplitude=0)
msmt.TIQ = pulse.SquarePulse(channel='MW_Imod', length=10e-9, amplitude=0)
msmt.T_sync = pulse.SquarePulse(channel='sync', length=50e-9, amplitude=0)
# some not yet specified pulse on the electron
msmt.e_pulse = pulselib.MW_IQmod_pulse(
'MW pulse',
I_channel='MW_Imod',
Q_channel='MW_Qmod',
PM_channel='MW_pulsemod',
PM_risetime=msmt.params['MW_pulse_mod_risetime'])
msmt.MW_pi = pulselib.HermitePulse_Envelope(
'Hermite pi-pulse',
MW_channel='MW_Imod',
PM_channel='MW_pulsemod',
second_MW_channel='MW_Qmod',
amplitude=msmt.params['MW_pi_amp'],
length=msmt.params['MW_pi_duration'],
PM_risetime=msmt.params['MW_pulse_mod_risetime'],
pi2_pulse=False)
msmt.MW_pi2 = pulselib.HermitePulse_Envelope(
'Hermite pi/2-pulse',
MW_channel='MW_Imod',
PM_channel='MW_pulsemod',
second_MW_channel='MW_Qmod',
amplitude=msmt.params['MW_pi2_amp'],
length=msmt.params['MW_pi2_duration'],
PM_risetime=msmt.params['MW_pulse_mod_risetime'],
pi2_pulse=True)
msmt.MW_BellAngle = pulselib.HermitePulse_Envelope(
'Hermite pi/2-pulse',
MW_channel='MW_Imod',
PM_channel='MW_pulsemod',
second_MW_channel='MW_Qmod',
amplitude=msmt.params['MW_pi2_amp'] *
msmt.params['MW_BellStateFactor'],
length=msmt.params['MW_pi2_duration'],
PM_risetime=msmt.params['MW_pulse_mod_risetime'],
pi2_pulse=True)
msmt.MW_RND_I = pulselib.HermitePulse_Envelope(
'Hermite RND-pulse-I',
MW_channel='MW_Imod',
PM_channel='MW_pulsemod',
amplitude=msmt.params['MW_RND_amp_I'],
length=msmt.params['MW_RND_duration_I'],
PM_risetime=msmt.params['MW_pulse_mod_risetime'],
pi2_pulse=True)
msmt.MW_RND_Q = pulselib.HermitePulse_Envelope(
'Hermite RND-pulse-Q',
MW_channel='MW_Qmod',
PM_channel='MW_pulsemod',
amplitude=msmt.params['MW_RND_amp_Q'],
length=msmt.params['MW_RND_duration_Q'],
PM_risetime=msmt.params['MW_pulse_mod_risetime'],
pi2_pulse=True)
msmt.eom_pulse = eom_pulses.OriginalEOMAOMPulse(
'Eom Aom Pulse',
eom_channel='EOM_Matisse',
aom_channel='EOM_AOM_Matisse',
eom_pulse_duration=msmt.params['eom_pulse_duration'],
eom_off_duration=msmt.params['eom_off_duration'],
eom_off_amplitude=msmt.params['eom_off_amplitude'],
eom_pulse_amplitude=msmt.params['eom_pulse_amplitude'],
eom_overshoot_duration1=msmt.params['eom_overshoot_duration1'],
eom_overshoot1=msmt.params['eom_overshoot1'],
eom_overshoot_duration2=msmt.params['eom_overshoot_duration2'],
eom_overshoot2=msmt.params['eom_overshoot2'],
aom_risetime=msmt.params['aom_risetime'],
aom_amplitude=msmt.params['aom_amplitude'])
msmt.RND_halt_off_pulse = pulse.SquarePulse(
channel='RND_halt', amplitude=2.0, length=msmt.params['RND_duration'])
### synchronizing, etc
msmt.adwin_trigger_pulse = pulse.SquarePulse(channel='adwin_sync',
length=5e-6,
amplitude=2)
msmt.sync = pulse.SquarePulse(channel='sync', length=50e-9, amplitude=1.0)
msmt.SP_pulse = pulse.SquarePulse(channel='AOM_Newfocus', amplitude=1.0)
msmt.RO_pulse = pulse.SquarePulse(channel='EOM_AOM_Matisse', amplitude=0.0)
msmt.yellow_pulse = pulse.SquarePulse(channel='AOM_Yellow', amplitude=1.0)
msmt.plu_gate = pulse.SquarePulse(channel='plu_sync',
amplitude=1.0,
length=msmt.params['PLU_gate_duration'])
return True