QutipConfig

class pulser_simulation.qutip_config.QutipConfig(*, sampling_rate=1.0, **backend_options)

Bases: EmulationConfig[QutipState]

The configuration of a QutipBackend.

Parameters:

observables – A sequence of observables to compute at specific evaluation times. The observables without specified evaluation times will use this configuration’s ‘default_evaluation_times’.
sampling_rate (float, default: 1.0) – The fraction of samples to extract from the pulse sequence for emulation.
default_evaluation_times – The default times at which observables are computed. Can be a sequence of relative times between 0 (the start of the sequence) and 1 (the end of the sequence). Can also be specified as “Full”, in which case every step in the emulation will also be an evaluation time.
initial_state – The initial state from which emulation starts. If specified, the state type needs to be compatible with the emulator backend. If left undefined, defaults to starting with all qudits in the ground state.
with_modulation – Whether to emulate the sequence with the programmed input or the expected output.
prefer_device_noise_model – If the sequence’s device has a default noise model, this option signals the backend to prefer it over the noise model given with this configuration.
noise_model – An optional noise model to emulate the sequence with. Ignored if the sequence’s device has default noise model and prefer_device_noise_model=True.

See also

EmulationConfig: The base configuration class for an EmulatorBackend.

Attributes

Methods

`from_abstract_repr`	Deserialize an EmulationConfig from an abstract JSON object.
`is_evaluation_time`	Assesses whether a relative time is an evaluation time.
`is_time_in_evaluation_times`	Checks if a time is within a collection of evaluation times.
`to_abstract_repr`	Serialize EmulationConfig to a JSON formatted str.

Signatures

classmethod from_abstract_repr(obj_str)

Deserialize an EmulationConfig from an abstract JSON object.

Parameters:: obj_str (str) – the JSON string representing the sequence encoded in the abstract JSON format.
Returns:: The EmulationConfig instance.
Return type:: EmulationConfig

is_evaluation_time(t, tol=1e-06)

Assesses whether a relative time is an evaluation time.

static is_time_in_evaluation_times(t, evaluation_times, tol=1e-06)

Checks if a time is within a collection of evaluation times.

to_abstract_repr(skip_validation=False)

Serialize EmulationConfig to a JSON formatted str.