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Package containing characterization tools and experiments.
Modules
fidelity_estimation module: Estimation of fidelity associated with experimental circuit executions.
google_v2_supremacy_circuit module
grid_parallel_two_qubit_xeb module: Parallel two-qubit cross-entropy benchmarking on a grid.
n_qubit_tomography module: Tomography code for an arbitrary number of qubits allowing for
purity_estimation module
qubit_characterizations module
random_quantum_circuit_generation module: Code for generating random quantum circuits.
single_qubit_readout_calibration module
t1_decay_experiment module
t2_decay_experiment module
xeb_fitting module: Estimation of fidelity associated with experimental circuit executions.
xeb_sampling module: Estimation of fidelity associated with experimental circuit executions.
xeb_simulation module: Estimation of fidelity associated with experimental circuit executions.
Classes
class CrossEntropyResult: Results from a cross-entropy benchmarking (XEB) experiment.
class CrossEntropyResultDict: Per-qubit-tuple results from cross-entropy benchmarking.
class GridInteractionLayer: A layer of aligned or staggered two-qubit interactions on a grid.
class RabiResult: Results from a Rabi oscillation experiment.
class RandomizedBenchMarkResult: Results from a randomized benchmarking experiment.
class SingleQubitReadoutCalibrationResult: Result of estimating single qubit readout error.
class StateTomographyExperiment: Experiment to conduct state tomography.
class T1DecayResult: Results from a Rabi oscillation experiment.
class T2DecayResult: Results from a T2 decay experiment.
class TomographyResult: Results from a state tomography experiment.
class XEBPhasedFSimCharacterizationOptions: Options for calibrating a PhasedFSim-like gate using XEB.
Functions
build_entangling_layers(...): Builds a sequence of gates that entangle all pairs of qubits on a grid.
collect_grid_parallel_two_qubit_xeb_data(...): Collect data for a grid parallel two-qubit XEB experiment.
compute_grid_parallel_two_qubit_xeb_results(...): Compute grid parallel two-qubit XEB results from experimental data.
cross_entropy_benchmarking(...): Cross-entropy benchmarking (XEB) of multiple qubits.
estimate_single_qubit_readout_errors(...): Estimate single-qubit readout error.
generate_boixo_2018_supremacy_circuits_v2(...): Generates Google Random Circuits v2 as in github.com/sboixo/GRCS cz_v2.
generate_boixo_2018_supremacy_circuits_v2_bristlecone(...): Generates Google Random Circuits v2 in Bristlecone.
generate_boixo_2018_supremacy_circuits_v2_grid(...): Generates Google Random Circuits v2 as in github.com/sboixo/GRCS cz_v2.
get_state_tomography_data(...): Gets the data for each rotation string added to the circuit.
hog_score_xeb_fidelity_from_probabilities(...): XEB fidelity estimator based on normalized HOG score.
least_squares_xeb_fidelity_from_expectations(...): Least squares fidelity estimator.
least_squares_xeb_fidelity_from_probabilities(...): Least squares fidelity estimator with observable based on probabilities.
linear_xeb_fidelity(...): Estimates XEB fidelity from one circuit using linear estimator.
linear_xeb_fidelity_from_probabilities(...): Linear XEB fidelity estimator.
log_xeb_fidelity(...): Estimates XEB fidelity from one circuit using logarithmic estimator.
log_xeb_fidelity_from_probabilities(...): Logarithmic XEB fidelity estimator.
purity_from_probabilities(...): Purity estimator from speckle purity benchmarking.
rabi_oscillations(...): Runs a Rabi oscillation experiment.
random_rotations_between_grid_interaction_layers_circuit(...): Generate a random quantum circuit of a particular form.
single_qubit_randomized_benchmarking(...): Clifford-based randomized benchmarking (RB) of a single qubit.
single_qubit_state_tomography(...): Single-qubit state tomography.
state_tomography(...): This performs n qubit tomography on a cirq circuit
t1_decay(...): Runs a t1 decay experiment.
t2_decay(...): Runs a t2 transverse relaxation experiment.
two_qubit_randomized_benchmarking(...): Clifford-based randomized benchmarking (RB) of two qubits.
two_qubit_state_tomography(...): Two-qubit state tomography.
xeb_fidelity(...): Estimates XEB fidelity from one circuit using user-supplied estimator.