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default.qubit

  • Included in PennyLane
  • Built by PennyLane
  • Small-Moderate Workloads
  • CPU (simulator)
  • TPU (simulator)
  • Linux
  • macOS
  • Windows

default.qubit is PennyLane’s most featureful device that is perfect for fast prototyping with small-scale circuits.

Recommended for:

  • Small-scale state vector simulations.
  • Fully differentiable workflows.
  • Use with just-in-time compilation from JAX.
  • Parallelization over circuit runs using Python multithreading.
  • All operating systems.

Documentation

To learn more, please visit the device documentation:

  • default.qubit documentation

Installation

The default.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.

Device Initialization

Initialize the device in PennyLane with:

import pennylane as qp
dev = qp.device('default.qubit', wires=5) 

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


Related Content

Demo

Compilation of quantum circuits

Demo

Basic tutorial: qubit rotation

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PennyLane

PennyLane is an open-source quantum software platform for quantum computing, quantum machine learning, and quantum chemistry. Create meaningful quantum algorithms, from inspiration to implementation.

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