Welcome to Quara’s documentation!

Quara, which stands for “Quantum Characterization”, is an open-source library for characterizing elementary quantum operations. Currently protocols of standard tomography for quantum states, POVMs, and gates are implemented.

Getting Started

• Install
• Use with other optimization parsers and solvers
• Interface from different packages

Tutorials

• System
• QOperation
• State and state_typical
• Povm and povm_typical
• Gate and gate_typical
• EffectiveLindbladian and effective_lindbladian_typical
• MProcess and mprocess_typical
• MultinomialDistribution
• StateEnsemble and state_ensemble_typical
• Composition of QOperations
• Tensor product between QOperations
• Circuit
• Standard Quantum Tomography
• Using Quara’s standard tomography features from QuTiP
• Using Quara’s standard tomography features from Qiskit
• Using Quara’s standard tomography features from Forest (1-qubit)
• Using Quara’s standard tomography features from Forest (2-qubit)
• Example: Standard Quantum State Tomography with Cvxpy
• Example: Standard POVM Tomography on 1-Qubit with Cvxpy
• Example: Standard Quantum Process Tomography on 1-Qubit with Cvxpy
• Example: Standard Quantum Measurement Process Tomography on 1-Qubit with Cvxpy

Limitations

• Limitations

API Reference

• API Reference

Contributing

• Contributing
  • Creating environment for development
    • Creating a Python environment
  • Testing
  • Building the documentation

Source code

The source code for this project is maintained on GitHub.

License

This project is licensed under Apache License 2.0 LICENSE

Indices and tables

• Index

• Module Index

• Search Page