ZneOptions
class ZneOptions(*args, **kwargs)
Zero noise extrapolation mitigation options. This is only used by V2 Estimator.
Parameters
-
amplifier –
Which technique to use for amplifying noise. One of:
- ”gate_folding” (default) uses 2-qubit gate folding to amplify noise. If the noise factor requires amplifying only a subset of the gates, then these gates are chosen randomly.
- ”gate_folding_front” uses 2-qubit gate folding to amplify noise. If the noise factor requires amplifying only a subset of the gates, then these gates are selected from the front of the topologically ordered DAG circuit.
- ”gate_folding_back” uses 2-qubit gate folding to amplify noise. If the noise factor requires amplifying only a subset of the gates, then these gates are selected from the back of the topologically ordered DAG circuit.
-
noise_factors – Noise factors to use for noise amplification. Default: (1, 3, 5).
-
extrapolator –
Extrapolator(s) to try (in order) for extrapolating to zero noise. One or more of:
- ”linear”
- ”exponential”
- ”double_exponential”
- ”polynomial_degree_(1 <= k <= 7)”
Default: (“exponential”, “linear”).
Attributes
amplifier
Type: UnsetType | Literal['gate_folding', 'gate_folding_front', 'gate_folding_back']
Default value: Unset
extrapolator
Type: UnsetType | Literal['linear', 'exponential', 'double_exponential', 'polynomial_degree_1', 'polynomial_degree_2', 'polynomial_degree_3', 'polynomial_degree_4', 'polynomial_degree_5', 'polynomial_degree_6', 'polynomial_degree_7'] | Sequence[Literal['linear', 'exponential', 'double_exponential', 'polynomial_degree_1', 'polynomial_degree_2', 'polynomial_degree_3', 'polynomial_degree_4', 'polynomial_degree_5', 'polynomial_degree_6', 'polynomial_degree_7']]
Default value: Unset
noise_factors
Type: UnsetType | Sequence[float]
Default value: Unset