Note

This is the documentation for the current state of the development branch of Qiskit Experiments. The documentation or APIs here can change prior to being released.

Tomography Experiments (qiskit_experiments.library.tomography)

Experiments

TomographyExperiment(circuit[, backend, ...])	Base experiment for quantum state and process tomography.
StateTomography(circuit[, backend, ...])	An experiment to reconstruct the quantum state from measurement data.
ProcessTomography(circuit[, backend, ...])	An experiment to reconstruct the quantum channel from measurement data.
MitigatedStateTomography(circuit[, backend, ...])	A batched experiment to characterize readout error then perform state tomography for doing readout error mitigated state tomography.
MitigatedProcessTomography(circuit[, ...])	A batched experiment to characterize readout error then perform process tomography for doing readout error mitigated process tomography.

Analysis

TomographyAnalysis()	Base analysis for state and process tomography experiments.
StateTomographyAnalysis()	State tomography experiment analysis.
ProcessTomographyAnalysis()	Quantum state and process tomography experiment analysis.
MitigatedTomographyAnalysis([...])	Analysis for readout error mitigated tomography experiments.

Tomography Fitters

Fitter functions for state reconstruction in tomography analysis

fitters.linear_inversion(outcome_data, ...)	Linear inversion tomography fitter.
fitters.cvxpy_gaussian_lstsq(outcome_data, ...)	Constrained Gaussian linear least-squares tomography fitter.
fitters.cvxpy_linear_lstsq(outcome_data, ...)	Constrained weighted linear least-squares tomography fitter.

Basis Classes

Built in tomography basis classes

basis.PauliMeasurementBasis([mitigator])	Standard Pauli measurement basis.
basis.PauliPreparationBasis()	Minimal 4-element Pauli measurement basis.
basis.Pauli6PreparationBasis()	Over-complete 6-element Pauli preparation basis.

Custom local tensor product basis classes

basis.LocalMeasurementBasis(name[, ...])	Local tensor-product measurement basis.
basis.LocalPreparationBasis(name[, ...])	Local tensor-product preparation basis.

Abstract base classes

basis.MeasurementBasis(name)	Abstract base class for a tomography measurement basis.
basis.PreparationBasis(name)	Abstract base class for a tomography preparation basis.

Warning

The API for tomography fitters and bases is still under development so may change in a future release.