lightning.qubit

lightning.qubit is PennyLane’s performance-driven extension of the default.qubit device.

Recommended for:

• State vector simulations with 20+ qubits.
• Compatibility with just-in-time compilation with JAX-jit or Catalyst (qjit).
• Fast differentiation via parallel adjoint differentiation.
• All operating systems.

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Documentation

To learn more, please visit the device documentation:

• lightning.qubit documentation

See all Lightning devices:

• lightning.gpu
• lightning.kokkos
• lightning.qubit
• lightning.tensor

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Installation

The lightning.qubit device is included in PennyLane. It can be installed with:

pip install pennylane

For more details on installation and dependencies, visit the Install PennyLane page.

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Device Initialization

Initialize the device in PennyLane with:

import pennylane as qml
dev = qml.device('lightning.qubit', wires=20) 

For more details on device settings and keyword arguments, see the device documentation.