transmon_element#

Module Contents#

Classes#

`Ports`	Submodule containing the ports.
`ClocksFrequencies`	Submodule containing the clock frequencies specifying the transitions to address.
`IdlingReset`	Submodule containing parameters for doing a reset by idling.
`RxyDRAG`	Submodule containing parameters for performing an Rxy operation
`DispersiveMeasurement`	Submodule containing parameters to perform a measurement using
`ReferenceMagnitude`	Submodule which describes an amplitude / power reference level, with respect to
`BasicTransmonElement`	A device element representing a single fixed-frequency transmon qubit coupled to a

class Ports(parent: qcodes.instrument.base.InstrumentBase, name: str, **kwargs: Any)[source]#

Bases: qcodes.instrument.InstrumentChannel

Submodule containing the ports.

microwave[source]#: Name of the element’s microwave port.

flux[source]#: Name of the element’s flux port.

readout[source]#: Name of the element’s readout port.

class ClocksFrequencies(parent: qcodes.instrument.base.InstrumentBase, name: str, **kwargs: Any)[source]#

Bases: qcodes.instrument.InstrumentChannel

Submodule containing the clock frequencies specifying the transitions to address.

f01[source]#: Frequency of the 01 clock

f12[source]#: Frequency of the 12 clock

readout[source]#: Frequency of the ro clock.

class IdlingReset(parent: qcodes.instrument.base.InstrumentBase, name: str, **kwargs: Any)[source]#

Bases: qcodes.instrument.InstrumentChannel

Submodule containing parameters for doing a reset by idling.

duration[source]#: Duration of the passive qubit reset (initialization by relaxation).

class RxyDRAG(parent: qcodes.instrument.base.InstrumentBase, name: str, **kwargs: Any)[source]#

Bases: qcodes.instrument.InstrumentChannel

Submodule containing parameters for performing an Rxy operation using a DRAG pulse.

amp180[source]#: Amplitude required to perform a $pi$ pulse.

motzoi[source]#: Ratio between the Gaussian Derivative (D) and Gaussian (G) components of the DRAG pulse.

duration[source]#: Duration of the control pulse.

class DispersiveMeasurement(parent: qcodes.instrument.base.InstrumentBase, name: str, **kwargs: Any)[source]#

Bases: qcodes.instrument.InstrumentChannel

Submodule containing parameters to perform a measurement using dispersive_measurement()

pulse_type[source]#: Envelope function that defines the shape of the readout pulse prior to modulation.

pulse_amp[source]#: Amplitude of the readout pulse.

pulse_duration[source]#: Duration of the readout pulse.

acq_channel[source]#: Acquisition channel of to this device element.

acq_delay[source]#: Delay between the start of the readout pulse and the start of the acquisition. Note that some hardware backends do not support starting a pulse and the acquisition in the same clock cycle making 0 delay an invalid value.

integration_time[source]#: Integration time for the readout acquisition.

reset_clock_phase[source]#: The phase of the measurement clock will be reset by the control hardware at the start of each measurement if reset_clock_phase=True.

acq_weights_a[source]#: The weights for the I path. Used when specifying the "NumericalWeightedIntegrationComplex" acquisition protocol.

acq_weights_b[source]#: The weights for the Q path. Used when specifying the "NumericalWeightedIntegrationComplex" acquisition protocol.

acq_weights_sampling_rate[source]#: The sample rate of the weights arrays, in Hertz. Used when specifying the "NumericalWeightedIntegrationComplex" acquisition protocol.

acq_rotation[source]#: The phase rotation in degrees required to perform thresholded acquisition. Note that rotation is performed before the threshold. For more details see ThresholdedAcquisition.

acq_threshold[source]#: The threshold value against which the rotated and integrated result is compared against. For more details see ThresholdedAcquisition.

class ReferenceMagnitude(parent: qcodes.instrument.base.InstrumentBase, name: str, **kwargs: Any)[source]#

Bases: qcodes.instrument.InstrumentChannel

Submodule which describes an amplitude / power reference level, with respect to which pulse amplitudes are defined. This can be specified in units of “V”, “dBm” or “A”.

Only one unit parameter may have a defined value at a time. If we call the set method for any given unit parameter, all other unit parameters will be automatically set to nan.

_set_parameter(value: float, parameter: str)[source]#: Set the value of one of the unit parameters, while setting all the other unit parameters to nan.

get_val_unit() → Tuple[float, str][source]#

Get the value of the amplitude reference and its unit, if one is defined. If a value is defined for more than one unit, raise an exception.

Returns

value – The value of the amplitude reference
unit – The unit in which this value is specified

class BasicTransmonElement(name: str, **kwargs)[source]#

Bases: quantify_scheduler.device_under_test.device_element.DeviceElement

A device element representing a single fixed-frequency transmon qubit coupled to a readout resonator.

Parameters

name – The name of the transmon element.
kwargs – Can be used to pass submodule initialization data by using submodule name as keyword and as argument a dictionary containing the submodule parameter names and their value.

reset: IdlingReset[source]#: Submodule IdlingReset.

rxy: RxyDRAG[source]#: Submodule RxyDRAG.

measure: DispersiveMeasurement[source]#: Submodule DispersiveMeasurement.

ports: Ports[source]#: Submodule Ports.

clock_freqs: ClocksFrequencies[source]#: Submodule ClocksFrequencies.

_generate_config() → Dict[str, Dict[str, quantify_scheduler.backends.graph_compilation.OperationCompilationConfig]][source]#

Generates part of the device configuration specific to a single qubit.

This method is intended to be used when this object is part of a device object containing multiple elements.

generate_device_config() → quantify_scheduler.backends.graph_compilation.DeviceCompilationConfig[source]#

Generates a valid device config for the quantify-scheduler making use of the compile_circuit_to_device() function.

This enables the settings of this qubit to be used in isolation.