def __init__(
self,
qubit: int,
calibrations: Calibrations,
schedule_name: str = "x",
amplitudes: Iterable[float] = None,
cal_parameter_name: Optional[str] = "amp",
target_angle: float = np.pi,
auto_update: bool = True,
group: str = "default",
backend: Optional[Backend] = None,
):
r"""see class :class:`Rabi` for details.
Args:
qubit: The qubit for which to run the rough amplitude calibration.
calibrations: The calibrations instance with the schedules.
schedule_name: The name of the schedule to calibrate. Defaults to "x".
amplitudes: A list of amplitudes to scan. If None is given 51 amplitudes ranging
from -0.95 to 0.95 will be scanned.
cal_parameter_name: The name of the parameter in the schedule to update.
target_angle: The target angle of the gate to calibrate this will default to a
:math:`\pi`-pulse.
auto_update: Whether or not to automatically update the calibrations. By
default this variable is set to True.
group: The group of calibration parameters to use. The default value is "default".
backend: Optional, the backend to run the experiment on.
"""
schedule = calibrations.get_schedule(
schedule_name,
qubit,
assign_params={cal_parameter_name: Parameter("amp")},
group=group)
self._validate_channels(schedule, [qubit])
self._validate_parameters(schedule, 1)
super().__init__(
calibrations,
qubit,
schedule=schedule,
amplitudes=amplitudes,
backend=backend,
schedule_name=schedule_name,
cal_parameter_name=cal_parameter_name,
auto_update=auto_update,
)
# Set the pulses to update.
prev_amp = calibrations.get_parameter_value(cal_parameter_name, qubit,
schedule_name)
self.experiment_options.group = group
self.experiment_options.angles_schedules = [
AnglesSchedules(
target_angle=target_angle,
parameter=cal_parameter_name,
schedule=schedule_name,
previous_value=prev_amp,
)
]
def __init__(
self,
qubit: int,
calibrations: Calibrations,
backend: Optional[Backend] = None,
delay_duration: Optional[int] = None,
repetitions: List[int] = None,
auto_update: bool = True,
gate_name: str = "sx",
):
r"""see class :class:`FineFrequency` for details.
Note that this class implicitly assumes that the target angle of the gate
is :math:`\pi/2` as seen from the default analysis options. This experiment
can be seen as a calibration of a finite duration ``rz(pi/2)`` gate with any
error attributed to a frequency offset in the qubit.
Args:
qubit: The qubit for which to run the fine frequency calibration.
calibrations: The calibrations instance with the schedules.
backend: Optional, the backend to run the experiment on.
delay_duration: The duration of the delay at :math:`n=1`. If this value is
not given then the duration of the gate named ``gate_name`` in the
calibrations will be used.
auto_update: Whether or not to automatically update the calibrations. By
default this variable is set to True.
gate_name: This argument is only needed if ``delay_duration`` is None. This
should be the name of a valid schedule in the calibrations.
"""
if delay_duration is None:
delay_duration = calibrations.get_schedule(gate_name, qubit).duration
super().__init__(
calibrations,
qubit,
delay_duration=delay_duration,
schedule_name=None,
repetitions=repetitions,
backend=backend,
cal_parameter_name=calibrations.__drive_freq_parameter__,
auto_update=auto_update,
)
self.set_transpile_options(inst_map=calibrations.default_inst_map)
if self.backend is not None:
self.set_experiment_options(dt=getattr(self.backend.configuration(), "dt", None))
def __init__(
self,
qubit: int,
calibrations: Calibrations,
backend: Optional[Backend] = None,
schedule_name: str = "x",
betas: Iterable[float] = None,
cal_parameter_name: Optional[str] = "β",
auto_update: bool = True,
group: str = "default",
):
r"""see class :class:`RoughDrag` for details.
Args:
qubit: The qubit for which to run the rough drag calibration.
calibrations: The calibrations instance with the schedules.
backend: Optional, the backend to run the experiment on.
schedule_name: The name of the schedule to calibrate. Defaults to "x".
betas: A list of drag parameter values to scan. If None is given 51 betas ranging
from -5 to 5 will be scanned.
cal_parameter_name: The name of the parameter in the schedule to update.
Defaults to "β".
auto_update: Whether or not to automatically update the calibrations. By
default this variable is set to True.
group: The group of calibration parameters to use. The default value is "default".
"""
schedule = calibrations.get_schedule(
schedule_name,
qubit,
assign_params={cal_parameter_name: Parameter("β")},
group=group)
self._validate_channels(schedule, [qubit])
self._validate_parameters(schedule, 1)
super().__init__(
calibrations,
qubit,
schedule=schedule,
betas=betas,
backend=backend,
schedule_name=schedule_name,
cal_parameter_name=cal_parameter_name,
auto_update=auto_update,
)