Experiment Library (qiskit_experiments.library)

A library of of quantum characterization, calibration and verification experiments for calibrating and benchmarking quantum devices. See qiskit_experiments.framework for general information the framework for running experiments.

Verification Experiments

Experiments for verification and validation of quantum devices.

StandardRB(qubits, lengths[, backend, ...])	Standard randomized benchmarking experiment.
InterleavedRB(interleaved_element, qubits, ...)	Interleaved randomized benchmarking experiment.
StateTomography(circuit[, ...])	Quantum state tomography experiment.
ProcessTomography(circuit[, ...])	Quantum process tomography experiment.
QuantumVolume(qubits[, backend, trials, ...])	Quantum Volume Experiment class.

Characterization Experiments

Experiments for characterization of qubits and quantum device properties. Some experiments may be also used for gate calibration.

T1(qubit, delays[, backend])	T1 experiment class
T2Ramsey(qubit, delays[, backend, osc_freq])	T2 Ramsey Experiment.
Tphi(qubit, delays_t1, delays_t2[, ...])	Tphi Experiment Class
QubitSpectroscopy(qubit, frequencies[, ...])	Class that runs spectroscopy by sweeping the qubit frequency.
EFSpectroscopy(qubit, frequencies[, ...])	Class that runs spectroscopy on the e-f transition by scanning the frequency.
CrossResonanceHamiltonian(qubits, ...[, ...])	Cross resonance Hamiltonian tomography experiment.
EchoedCrossResonanceHamiltonian(qubits, ...)	Echoed cross resonance Hamiltonian tomography experiment.
RoughDrag(qubit, schedule[, betas, backend])	An experiment that scans the DRAG parameter to find the optimal value.
FineDrag(qubit, gate[, backend])	Fine DRAG experiment.
FineXDrag(qubit[, backend])	Class to fine characterize the DRAG parameter of an X gate.
FineSXDrag(qubit[, backend])	Class to fine characterize the DRAG parameter of an SX gate.
HalfAngle(qubit[, backend])	An experiment class to measure the amount by which sx and x are not parallel.
FineAmplitude(qubits, gate[, backend, ...])	Error amplifying fine amplitude calibration experiment.
FineXAmplitude(qubit[, backend])	A fine amplitude experiment with all the options set for the \(\pi\)-rotation.
FineSXAmplitude(qubit[, backend])	A fine amplitude experiment with all the options set for the \(\pi/2\)-rotation.
FineZXAmplitude(qubits[, backend])	A fine amplitude experiment for the RZXGate(np.pi / 2).
Rabi(qubit, schedule[, amplitudes, backend])	An experiment that scans a pulse amplitude to calibrate rotations between 0 and 1.
EFRabi(qubit, schedule[, amplitudes, backend])	An experiment that scans the amplitude of a pulse inducing rotations between 1 and 2.
RamseyXY(qubit[, backend, delays, osc_freq])	Ramsey XY experiment to measure the frequency of a qubit.
FineFrequency(qubit, delay_duration[, ...])	An experiment to make a fine measurement of the qubit frequency.
ReadoutAngle(qubit[, backend])	Readout angle experiment class
LocalReadoutError(qubits)	Class for local readout error characterization experiment # section: overview
CorrelatedReadoutError(qubits)	Class for correlated readout error characterization experiment # section: overview This class constructs the a CorrelatedReadoutMitigator containing the full assignment matrix \(A\) characterizing the readout error for the given qubits from the experiment results accessible via the assignment_matrix() method.
ResonatorSpectroscopy(qubit[, backend, ...])	Perform spectroscopy on the readout resonator.

Calibration Experiments

Experiments for pulse level calibration of quantum gates. These experiments are usually run with a Calibrations class instance to manage parameters and pulse schedules. See Calibrating single-qubit gates on a real device for example.

RoughFrequencyCal(qubit, calibrations, ...)	A calibration experiment that runs QubitSpectroscopy.
FrequencyCal(qubit, calibrations[, backend, ...])	A qubit frequency calibration experiment based on the Ramsey XY experiment.
FineFrequencyCal(qubit, calibrations[, ...])	A calibration version of the fine frequency experiment.
RoughDragCal(qubit, calibrations[, backend, ...])	A calibration version of the Drag experiment.
FineXDragCal(qubit, calibrations[, backend, ...])	Fine drag calibration of X gate.
FineSXDragCal(qubit, calibrations[, ...])	Fine drag calibration of X gate.
FineDragCal(qubit, calibrations, schedule_name)	A calibration version of the fine drag experiment.
FineAmplitudeCal(qubit, calibrations, ...[, ...])	A calibration version of the FineAmplitude experiment.
FineXAmplitudeCal(qubit, calibrations, ...)	A calibration experiment to calibrate the amplitude of the X schedule.
FineSXAmplitudeCal(qubit, calibrations, ...)	A calibration experiment to calibrate the amplitude of the SX schedule.
RoughAmplitudeCal(qubit, calibrations[, ...])	A calibration version of the Rabi experiment.
RoughXSXAmplitudeCal(qubit, calibrations[, ...])	A rough amplitude calibration of x and sx gates.
EFRoughXSXAmplitudeCal(qubit, calibrations)	A rough amplitude calibration of x and sx gates on the 1<->2 transition.