def generate_sequence(self, upload=True):
self._pulse_defs()
seq = pulsar.Sequence('{}_{} sequence'.format(self.mprefix, self.name))
elements = []
elements.append(self.mbi_elt)
elements.append(self.sync_elt)
e = element.Element('H pulse', pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
n = e.append(
pulse.cp(self.N_pulse,
frequency=self.N_pi.frequency -
self.params['N_rabi_frequency'],
length=self.N_pi.length / np.sqrt(2),
amplitude=1))
t = e.length() - e.pulse_start_time(n, 'RF')
e2 = element.Element('pi2', pulsar=qt.pulsar)
e2.append(
pulse.cp(self.N_pi2, phase=BSM.phaseref(self.N_pi2.frequency, t)))
e2.append(self.TN)
e2.append(pulse.cp(self.pi2pi_m1))
elements.append(e2)
for i in range(self.params['pts']):
seq.append(name='MBI-{}'.format(i),
wfname=self.mbi_elt.name,
trigger_wait=True,
goto_target='MBI-{}'.format(i),
jump_target='H-{}'.format(i))
e = element.Element('H pulse-{}'.format(i), pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
n = e.append(
pulse.cp(self.N_pulse,
frequency=self.N_pi.frequency -
self.params['N_rabi_frequency'],
length=self.N_pi.length / np.sqrt(2),
amplitude=1,
phase=self.params['phases'][i]))
elements.append(e)
seq.append(name='H-{}'.format(i), wfname=e.name, trigger_wait=True)
seq.append(name='pi2-{}'.format(i), wfname=e2.name)
seq.append(name='sync-{}'.format(i), wfname=self.sync_elt.name)
# program AWG
if upload:
qt.pulsar.upload(*elements)
qt.pulsar.program_sequence(seq)
def get_sweep_elements(self):
e = element.Element('Hadamard', pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
# this is for using the detuned pi pulse
# prep_name = e.append(pulse.cp(self.N_pi2,
# phase = BSM.phaseref(self.N_pi2.frequency,
# -self.N_pi2.length) - 90.,
# amplitude = 1))
# hadamard_name = e.append(pulse.cp(self.N_pulse,
# frequency = self.N_pi.frequency - self.params['N_rabi_frequency'],
# length = self.N_pi.length / np.sqrt(2),
# amplitude = 1,
# phase = 36.5))
# t = e.length()-e.pulse_start_time(hadamard_name, 'RF')
# this is by using two rotations around x/y -- This works much better!
prep_name = e.append(pulse.cp(self.N_pi2, phase=-90, amplitude=1))
# first a pi/2 over +Y
h_pi2_name = e.append(
pulse.cp(self.N_pi2,
phase=BSM.phaseref(self.N_pi2.frequency,
e.pulse_length(prep_name)),
amplitude=1))
# then a pi over +X
h_pi_name = e.append(
pulse.cp(
self.N_pi,
phase=BSM.phaseref(
self.N_pi2.frequency,
e.pulse_length(prep_name) + e.pulse_length(h_pi2_name)) +
90.,
amplitude=1))
self.element = e
self.params['tomo_time_offset'] = e.length() - e.pulse_start_time(
prep_name, 'RF')
return BSM.NTomo.get_sweep_elements(self)
def get_sweep_elements(self):
e = element.Element('Hadamard', pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
# this is for using the detuned pi pulse
# prep_name = e.append(pulse.cp(self.N_pi2,
# phase = BSM.phaseref(self.N_pi2.frequency,
# -self.N_pi2.length) - 90.,
# amplitude = 1))
# hadamard_name = e.append(pulse.cp(self.N_pulse,
# frequency = self.N_pi.frequency - self.params['N_rabi_frequency'],
# length = self.N_pi.length / np.sqrt(2),
# amplitude = 1,
# phase = 36.5))
# t = e.length()-e.pulse_start_time(hadamard_name, 'RF')
# this is by using two rotations around x/y -- This works much better!
prep_name = e.append(pulse.cp(self.N_pi2,
phase = -90,
amplitude = 1))
# first a pi/2 over +Y
h_pi2_name = e.append(pulse.cp(self.N_pi2,
phase = BSM.phaseref(self.N_pi2.frequency,
e.pulse_length(prep_name)),
amplitude = 1))
# then a pi over +X
h_pi_name = e.append(pulse.cp(self.N_pi,
phase = BSM.phaseref(self.N_pi2.frequency,
e.pulse_length(prep_name)+e.pulse_length(h_pi2_name)) + 90.,
amplitude = 1))
self.element = e
self.params['tomo_time_offset'] = e.length() - e.pulse_start_time(prep_name, 'RF')
return BSM.NTomo.get_sweep_elements(self)
def get_sweep_elements(self):
e = element.Element('e1', pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
n = e.append(self.N_pi2)
t = e.length()-e.pulse_start_time(n, 'RF')
elts = []
for i in range(self.params['pts']):
e2 = element.Element('e2-{}'.format(i),
pulsar=qt.pulsar)
e2.append(pulse.cp(self.N_pi2,
phase = BSM.phaseref(self.N_pi2.frequency,t) + self.params['phases'][i]))
e2.append(self.TN)
# e2.append(self.pi2pi_m1)
elts.append([e,e2])
return elts
def get_sweep_elements(self):
e = element.Element('e1', pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
n = e.append(self.N_pi2)
t = e.length() - e.pulse_start_time(n, 'RF')
elts = []
for i in range(self.params['pts']):
e2 = element.Element('e2-{}'.format(i), pulsar=qt.pulsar)
e2.append(
pulse.cp(self.N_pi2,
phase=BSM.phaseref(self.N_pi2.frequency, t) +
self.params['phases'][i]))
e2.append(self.TN)
# e2.append(self.pi2pi_m1)
elts.append([e, e2])
return elts
def generate_sequence(self, upload=True):
self._pulse_defs()
seq = pulsar.Sequence('{}_{} sequence'.format(self.mprefix,
self.name))
elements = []
elements.append(self.mbi_elt)
elements.append(self.sync_elt)
e = element.Element('H pulse', pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
n = e.append(pulse.cp(self.N_pulse,
frequency = self.N_pi.frequency - self.params['N_rabi_frequency'],
length = self.N_pi.length / np.sqrt(2),
amplitude = 1))
t = e.length()-e.pulse_start_time(n, 'RF')
e2 = element.Element('pi2', pulsar=qt.pulsar)
e2.append(pulse.cp(self.N_pi2,
phase = BSM.phaseref(
self.N_pi2.frequency, t)))
e2.append(self.TN)
e2.append(pulse.cp(self.pi2pi_m1))
elements.append(e2)
for i in range(self.params['pts']):
seq.append(name = 'MBI-{}'.format(i),
wfname = self.mbi_elt.name,
trigger_wait = True,
goto_target = 'MBI-{}'.format(i),
jump_target = 'H-{}'.format(i))
e = element.Element('H pulse-{}'.format(i), pulsar=qt.pulsar)
e.append(self.T)
e.append(self.shelving_pulse)
e.append(pulse.cp(self.T, length=100e-9))
n = e.append(pulse.cp(self.N_pulse,
frequency = self.N_pi.frequency - self.params['N_rabi_frequency'],
length = self.N_pi.length / np.sqrt(2),
amplitude = 1,
phase = self.params['phases'][i]))
elements.append(e)
seq.append(name = 'H-{}'.format(i),
wfname = e.name,
trigger_wait = True)
seq.append(name = 'pi2-{}'.format(i),
wfname = e2.name)
seq.append(name = 'sync-{}'.format(i),
wfname = self.sync_elt.name)
# program AWG
if upload:
qt.pulsar.upload(*elements)
qt.pulsar.program_sequence(seq)
def generate_sequence(self, upload=True):
self._pulse_defs()
elements = []
for i in range(self.params['pts']):
e = element.Element('Echo-{}'.format(i),
pulsar = qt.pulsar)
e.append(pulse.cp(self.TIQ, length=500e-9))
e.append(pulse.cp(self.pi2_4MHz,
lock_phase_to_element_time = False))
e.append(pulse.cp(self.TIQ,
length = self.params['2tau']/2. + \
self.params['pi_position_shifts'][i]))
### for doing a CORPSE pi
pi_phase = BSM.phaseref(self.pi2_4MHz.frequency,
self.pi2_4MHz.effective_length() + self.params['2tau']/2. + \
self.params['pi_position_shifts'][i])
e.append(pulse.cp(self.CORPSE_pi,
phase = pi_phase,
frequency = self.pi2_4MHz.frequency))
### regular pi
# pi_phase = BSM.phaseref(self.pi2_4MHz.frequency,
# self.pi2_4MHz.effective_length() + self.params['2tau']/2. + \
# self.params['pi_position_shifts'][i])
# e.append(pulse.cp(self.pi_4MHz,
# lock_phase_to_element_time = False,
# phase = pi_phase))
e.append(pulse.cp(self.TIQ,
length = self.params['2tau']/2. - \
self.params['pi_position_shifts'][i]))
### pay attention here with which pi pulse we're using!
second_pi2_phase = BSM.phaseref(self.pi2_4MHz.frequency,
self.pi2_4MHz.effective_length() + self.params['2tau'] + \
self.CORPSE_pi.effective_length())
# second_pi2_phase = BSM.phaseref(self.pi2_4MHz.frequency,
# self.pi2_4MHz.effective_length() + self.params['2tau'] + \
# self.pi_4MHz.effective_length())
e.append(pulse.cp(self.pi2_4MHz,
lock_phase_to_element_time = False,
phase = second_pi2_phase))
e.append(pulse.cp(self.TIQ,
length = 500e-9))
elements.append(e)
# e.print_overview()
seq = seq = pulsar.Sequence('{}_{} sequence'.format(self.mprefix,
self.name))
for i,e in enumerate(elements):
seq.append(name = 'MBI-{}'.format(i),
wfname = self.mbi_elt.name,
trigger_wait = True,
goto_target = 'MBI-{}'.format(i),
jump_target = 'Echo-{}'.format(i))
seq.append(name = 'Echo-{}'.format(i),
wfname = e.name,
trigger_wait = True)
seq.append(name = 'sync-{}'.format(i),
wfname = self.sync_elt.name)
# program AWG
if upload:
qt.pulsar.upload(self.mbi_elt, self.sync_elt, *elements)
qt.pulsar.program_sequence(seq)
def generate_sequence(self, upload=True):
self._pulse_defs()
elements = []
for i in range(self.params['pts']):
e = element.Element('Echo-{}'.format(i), pulsar=qt.pulsar)
e.append(pulse.cp(self.TIQ, length=500e-9))
e.append(pulse.cp(self.pi2_4MHz, lock_phase_to_element_time=False))
e.append(pulse.cp(self.TIQ,
length = self.params['2tau']/2. + \
self.params['pi_position_shifts'][i]))
### for doing a CORPSE pi
pi_phase = BSM.phaseref(self.pi2_4MHz.frequency,
self.pi2_4MHz.effective_length() + self.params['2tau']/2. + \
self.params['pi_position_shifts'][i])
e.append(
pulse.cp(self.CORPSE_pi,
phase=pi_phase,
frequency=self.pi2_4MHz.frequency))
### regular pi
# pi_phase = BSM.phaseref(self.pi2_4MHz.frequency,
# self.pi2_4MHz.effective_length() + self.params['2tau']/2. + \
# self.params['pi_position_shifts'][i])
# e.append(pulse.cp(self.pi_4MHz,
# lock_phase_to_element_time = False,
# phase = pi_phase))
e.append(pulse.cp(self.TIQ,
length = self.params['2tau']/2. - \
self.params['pi_position_shifts'][i]))
### pay attention here with which pi pulse we're using!
second_pi2_phase = BSM.phaseref(self.pi2_4MHz.frequency,
self.pi2_4MHz.effective_length() + self.params['2tau'] + \
self.CORPSE_pi.effective_length())
# second_pi2_phase = BSM.phaseref(self.pi2_4MHz.frequency,
# self.pi2_4MHz.effective_length() + self.params['2tau'] + \
# self.pi_4MHz.effective_length())
e.append(
pulse.cp(self.pi2_4MHz,
lock_phase_to_element_time=False,
phase=second_pi2_phase))
e.append(pulse.cp(self.TIQ, length=500e-9))
elements.append(e)
# e.print_overview()
seq = seq = pulsar.Sequence('{}_{} sequence'.format(
self.mprefix, self.name))
for i, e in enumerate(elements):
seq.append(name='MBI-{}'.format(i),
wfname=self.mbi_elt.name,
trigger_wait=True,
goto_target='MBI-{}'.format(i),
jump_target='Echo-{}'.format(i))
seq.append(name='Echo-{}'.format(i),
wfname=e.name,
trigger_wait=True)
seq.append(name='sync-{}'.format(i), wfname=self.sync_elt.name)
# program AWG
if upload:
qt.pulsar.upload(self.mbi_elt, self.sync_elt, *elements)
qt.pulsar.program_sequence(seq)