def NuclearRamseyWithInitialization_cal(name,
carbon_nr=1,
carbon_init_state='up',
el_RO='positive',
detuning=0.5e3,
evo_time=400e-6,
el_state=1,
debug=False,
free_evolution_time=400e-6 +
np.linspace(0., 6.0e-3, 44)):
m = DD.NuclearRamseyWithInitialization(name)
funcs.prepare(m)
'''Set parameters'''
### Sweep parameters
m.params['reps_per_ROsequence'] = 250
m.params['C13_MBI_RO_state'] = 0
### overwritten from msmnt params
####################################
### Option 1; Sweep waiting time ###
####################################
## '''1A - Rotating frame with detuning'''
m.params['add_wait_gate'] = True
m.params['pts'] = len(free_evolution_time)
m.params['free_evolution_time'] = free_evolution_time
# m.params['free_evolution_time'] = 180e-6 + np.linspace(0e-6, 4*1./74e3,m.params['pts'])
m.params['C' + str(carbon_nr) + '_freq_0'] += detuning
m.params['C' + str(carbon_nr) + '_freq_1' +
m.params['electron_transition']] += detuning
m.params['C_RO_phase'] = np.ones(m.params['pts']) * 0
m.params['sweep_name'] = 'free_evolution_time'
m.params['sweep_pts'] = m.params['free_evolution_time']
############################################
### Option 2; Sweep RO phase at set time ###
############################################
# m.params['pts'] = 21
# m.params['add_wait_gate'] = False
# m.params['free_evolution_time'] = np.ones(m.params['pts'] )*evo_time
# m.params['C_RO_phase'] = np.linspace(-20, 400,m.params['pts'])
# m.params['sweep_name'] = 'phase'
# m.params['sweep_pts'] = m.params['C_RO_phase']
'''Derived and fixed parameters'''
m.params['electron_readout_orientation'] = el_RO
m.params['carbon_nr'] = carbon_nr
m.params['init_state'] = carbon_init_state
m.params['electron_after_init'] = str(el_state)
m.params['Nr_C13_init'] = 1
m.params['Nr_MBE'] = 0
m.params['Nr_parity_msmts'] = 0
funcs.finish(m, upload=True, debug=debug)
def NuclearRamseyWithInitialization_phase(name,
carbon_nr = 1,
carbon_init_state = 'up',
el_RO = 'positive',
el_state = 0,
debug = False):
m = DD.NuclearRamseyWithInitialization(name)
funcs.prepare(m)
'''Set parameters'''
### Sweep parameters
m.params['reps_per_ROsequence'] = phase_reps
m.params['C13_MBI_RO_state'] =0
m.params['pts'] = 25
if carbon_nr == 6 and SETUP == 'lt2':
m.params['pts'] = 21
m.params['add_wait_gate'] = False
# m.params['free_evolution_time'] = np.ones(m.params['pts'] )*360e-6
m.params['C_RO_phase'] = np.linspace(-60, 400,m.params['pts'])
m.params['sweep_name'] = 'phase'
m.params['sweep_pts'] = m.params['C_RO_phase']
'''Derived and fixed parameters'''
m.params['electron_readout_orientation'] = el_RO
m.params['carbon_nr'] = carbon_nr
m.params['init_state'] = carbon_init_state
m.params['electron_after_init'] = str(el_state)
m.params['Nr_C13_init'] = 1
m.params['Nr_MBE'] = 0
m.params['Nr_parity_msmts'] = 0
funcs.finish(m, upload =True, debug=debug)
def measure_T2star(name,
carbon_nr=5,
carbon_init_state='up',
detuning=0.5e3,
el_state=0,
debug=False):
m = DD.NuclearRamseyWithInitialization(name)
funcs.prepare(m)
'''Set parameters'''
### Sweep parameters
m.params['reps_per_ROsequence'] = 2000
m.params['C13_MBI_RO_state'] = 0
### overwritten from msmnt params
####################################
### Option 1; Sweep waiting time ###
####################################
# 1A - Rotating frame with detuning
m.params['add_wait_gate'] = True
m.params['pts'] = 25
m.params['free_evolution_time'] = 400e-6 + np.linspace(
0e-6, 3 * 1. / detuning, m.params['pts'])
# m.params['free_evolution_time'] = 180e-6 + np.linspace(0e-6, 4*1./74e3,m.params['pts'])
m.params['C' + str(carbon_nr) + '_freq_0'] += detuning
m.params['C' + str(carbon_nr) + '_freq_1' +
m.params['electron_transition']] += detuning
m.params['C_RO_phase'] = 'X'
m.params['sweep_name'] = 'free_evolution_time'
m.params['sweep_pts'] = m.params['free_evolution_time']
'''Derived and fixed parameters'''
#
m.params['carbon_nr'] = carbon_nr
m.params['init_state'] = carbon_init_state
m.params['electron_after_init'] = str(el_state)
m.params['Nr_C13_init'] = 1
m.params['Nr_MBE'] = 0
m.params['Nr_parity_msmts'] = 0
Tomography_list = ['X', 'Y']
readout_orientations = {'positive', 'negative'}
for ero in readout_orientations:
if not stop_msmt():
break
m.params['electron_readout_orientation'] = ero
for tomo in Tomography_list:
if not stop_msmt():
break
m.params['C_RO_phase'] = [tomo] * m.params['pts']
save_name = "%s_%s" % (tomo, ero)
print("Measuring " + save_name)
funcs.finish(m,
upload=True,
debug=debug,
save_name=save_name,
last_msmt=False)
m.finish()
