kosmos.topology.node

Classes

class NodeId

Identifier of a node.

value

Identifier string.

Type:

str

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class NodeType(*args, **kwds)

Bases: enum.Enum

Type of node.

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class NodeRole(*args, **kwds)

Bases: enum.Enum

Role of a node.

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class Node

Bases: abc.ABC

Base for network nodes.

id

Node identifier.

Type:

NodeId

label

Label of the node. Defaults to None.

Type:

str | None

roles

Role(s) of the node.

Type:

Collection[NodeRole]

Properties

property type

Type of the node.

Methods

has_role(role: NodeRole) → bool

Check if this node has a given role.

Parameters:

role – Role to check.

Returns:

True if the role is present.

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class ClassicalNode

Bases: Node

Classical node.

id

Node identifier.

Type:

NodeId

label

Label of the node. Defaults to None.

Type:

str | None

roles

Role(s) of the node.

Type:

Collection[NodeRole]

Properties

property type

Type of the node.

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class QuantumNode

Bases: Node

Quantum node.

id

Node identifier.

Type:

NodeId

label

Label of the node. Defaults to None.

Type:

str | None

roles

Role(s) of the node.

Type:

Collection[NodeRole]

num_qubits

Number of physical qubits.

Type:

int

num_data_qubits

Number of data qubits. Defaults to -1, which sets it to half the total number of qubits (rounded up).

Type:

int

gate_fid

Fidelity of multi-qubit gates. Defaults to 1.0.

Type:

float

meas_fid

Fidelity of single-qubit measurements. Defaults to 1.0.

Type:

float

coherence_time

Maximum storage time before decoherence in seconds.

Type:

float

has_transceiver

Whether the node has a quantum transceiver. Defaults to False.

Type:

bool

Properties

property type

Type of the node.

property data_qubits

Number of qubits available for data operations.

Returns:

Number of data qubits.

Return type:

int

property communication_qubits

Number of qubits reserved for communication/entanglement.

Returns:

Number of communication qubits.

Return type:

int