observation_parameters

Full path: iqm.cpc.core.observation.observation_parameters

Physical characteristics and calibration parameters of components.

Module Attributes

FLUX_VOLTAGE	Bias voltage that determines operating point, qubit flux and resonance frequency.
DRIVE_FREQUENCY	Frequency of the g-e transition of the qubit.
AVERAGE_RESPONSE_PHASE	Inverse of the phase of average response signal, assuming 0 phase in probe pulse.
AVERAGE_RESPONSE_G	Average response voltage of ground state projected to principal axis (defined by average_response_phase)
AVERAGE_RESPONSE_E	Average response voltage of excited state projected to principal axis (defined by average_response_phase)
AVERAGE_RESPONSE_F	Average response voltage of second excited state, complex.
SINGLE_SHOT_01_ERROR	Probability of measuring 1 if the 0 state was prepared.
SINGLE_SHOT_10_ERROR	Probability of measuring 0 if the 1 state was prepared.
EF_PULSE_AMPLITUDE	Amplitude of the pulse for e-f transition.
DISPERSIVE_SHIFT	Dispersive shift of the qubit (typically denoted by \(\chi\)).
T1_TIME	\(T_1\) relaxation time.
T1_TIME_DURING_READOUT	\(T_1\) relaxation time during readout.
T1_TIME_FITS	Measured \(T_1\) relaxation times.
T2_RAMSEY_TIME	\(T^*_2\) ramsey relaxation time.
T2_RAMSEY_TIME_FITS	Measured \(T^*_2\) ramsey relaxation timed.
T2_RAMSEY_EXP_TIME_FITS	Measured exponential \(T^*_2\) ramsey relaxation timed.
T2_RAMSEY_GAUSS_TIME_FITS	Measured Gaussian \(T^*_2\) ramsey relaxation timed.
T2_ECHO_TIME	\(T_2\) echo relaxation time.
T2_ECHO_TIME_FITS	Measured \(T_2\) echo relaxation times.
T2_ECHO_EXP_TIME_FITS	Measured exponential \(T^*_2\) echo ramsey relaxation timed.
T2_ECHO_GAUSS_TIME_FITS	Measured Gaussian \(T^*_2\) echo ramsey relaxation timed.
SINGLE_SHOT_READOUT_G	Best readout voltage of ground state projected to principal axis.
SINGLE_SHOT_READOUT_E	Best readout voltage of excited state projected to principal axis.
ANHARMONICITY	Energy level anharmonicity of the qubit.
STATE_FIDELITY	State preparation fidelity from state tomography.
STATE_FIDELITY_ESTIMATE	Estimate of the State preparation fidelity which could be achieved if corrected virtual-Z rotations were used.
INTEGRATED_DEPHASING	Integrated dephasing of target qubit due to measurement of a control qubit.
DRIVE_OFFSET_CH0	DC offset applied at the I port of the drive mixer
DRIVE_OFFSET_CH1	DC offset applied at the Q port of the drive mixer
FLUX_PERIOD	Period of one fluxquanta in Ampere per fluxquanta.
FLUX_OFFSET	Flux offset in units of fluxquanta.
QUBIT_FREQUENCY_SWEET_SPOT	Qubit frequency at it's sweet spot.
ACTIVE_RESET_FIDELITY	Total fidelity of the reset in the single shot readout with reset experiment
MINIMAL_FEEDBACK_DELAY	Minimal feedback delay for the active reset to perform well
COUPLER_IDLING_POINT	Coupler flux idling point that minimizes the qubit-to-qubit coupling.
CIRCUIT_EXECUTION_CONSTANT_OVERHEAD	Benchmarked overhead in executing circuits (independent of the number of gates executed).
CIRCUIT_EXECUTION_EXCESS_TIME_PER_GATE	Benchmarked extra time per gate in circuit execution that is in addition to the actual gate execution.
PROBE_LINE_TRIGGER_DELAY	Trigger delay of a probe line AWG.
DRIVE_TRIGGER_DELAY	Trigger delay of a qubit drive AWG.
FLUX_TRIGGER_DELAY	Trigger delay of a flux pulse AWG.
COMPONENT_FREQUENCY	Component frequency, used for computational resonators and qubits without drive controller.
EXTREME_FLUX_PULSE_AMPLITUDES	Calibration ranges for the amplitude of a flux pulse for CZ gate.
FLUX_PULSE_SPINE_POLYNOMIAL_COEFFICIENTS	Polynomial coefficients of the 1D curve in amplitude-width plane, used to search for the optimal pulse for the CZ gate.
F0G1_PULSE_STARK_SHIFT_POLYNOMIAL_COEFFICIENTS	Polynomial coefficients of the 1D curve in amplitude-frequency plane, used to search for the optimal IQPulse modulation frequency to drive the F0G1 transition while taking into the account the AC Stark shift at a certain amplitude (used for lru or reset gates).
CPHASE_DERIVATIVE	Parameter for the CPhase derivative observation.
CPHASE_PI_DISTANCE	Parameter for the CPhase derivative observation.
KAPPA_EFF_E	A state independent and two state dependent effective kappas.
KAPPA_PURCELL	Kappa for Purcell resonator.
J_RR_PR	Coupling strength between readout and Purcell resonators.
PURCELL_FREQUENCY	Resonant frequency of the Purcell resonator.
CRITICAL_PHOTON_NUMBER	Jaynes-Cummings critical photon number.
QUBIT_RESONATOR_COUPLING	Coupling strength between qubit and readout resonator.
QUANTUM_EFFICIENCY	1711.05336.
PHOTON_NUMBER_E	Number of photons in readout resonator for state independent and state dependent cases.
PHOTON_CONVERSION_FACTOR_E	Conversion factor between readout DAC amplitude and photon numbers.
SELF_KERR_E	State independent and state dependent self-Kerr terms.
AC_STARK_SHIFT_E	Readout induced AC Stark shifts for two states.
PHOTON_NUMBER_OFFSET_E	Offsets of photon numbers for state independent and state dependent cases.
READOUT_FREQUENCY_E	Resonant frequency of the dressed readout resonator.
QUBIT_RESONATOR_DETUNING	Detuning between the qubit and the resonator frequenies.
RZ_ANGLE	Parameter for the Z rotation angle.