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https://github.com/Qiskit-Extensions/circuit-knitting-toolbox

Tools for knitting quantum circuits with Qiskit
https://github.com/Qiskit-Extensions/circuit-knitting-toolbox

circuit-cutting circuit-knitting python qiskit quantum-circuit quantum-circuit-cutting quantum-computing

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Tools for knitting quantum circuits with Qiskit

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README 

        





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# Circuit Knitting Toolbox



### Table of Contents



* [About](#about)

* [Documentation](#documentation)

* [Installation](#installation)

* [Deprecation Policy](#deprecation-policy)

* [References](#references)

* [License](#license)



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### About



Circuit Knitting is the process of decomposing a larger quantum circuit into many smaller circuits, executing those circuits on a quantum processor(s), and then knitting their results into a reconstruction of the original circuit's outcome.



The toolbox currently contains the following tools:

- Circuit Cutting [[1-5]](#references)

 

For a more detailed discussion on circuit cutting, check out our [technical guide](https://qiskit-extensions.github.io/circuit-knitting-toolbox/circuit_cutting/explanation/index.html#overview-of-circuit-cutting).



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### Documentation



All CKT documentation is available at https://qiskit-extensions.github.io/circuit-knitting-toolbox/.



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### Installation



We encourage installing CKT via ``pip``, when possible.



```bash

pip install 'circuit-knitting-toolbox'

```



For information on installing from source, running CKT in a container, and platform support, refer to the [installation instructions](https://qiskit-extensions.github.io/circuit-knitting-toolbox/install.html) in the CKT documentation.



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### Deprecation Policy



This project is meant to evolve rapidly and, as such, does not follow [Qiskit's deprecation policy](https://github.com/Qiskit/qiskit/blob/main/DEPRECATION.md).  We may occasionally make breaking changes in order to improve the user experience.  When possible, we will keep old interfaces and mark them as deprecated, as long as they can co-exist with the new ones.  Each substantial improvement, breaking change, or deprecation will be documented in the [release notes](https://qiskit-extensions.github.io/circuit-knitting-toolbox/release-notes.html).



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### References



[1] Kosuke Mitarai, Keisuke Fujii, [Constructing a virtual two-qubit gate by sampling single-qubit operations](https://iopscience.iop.org/article/10.1088/1367-2630/abd7bc), New J. Phys. 23 023021.



[2] Kosuke Mitarai, Keisuke Fujii, [Overhead for simulating a non-local channel with local channels by quasiprobability sampling](https://quantum-journal.org/papers/q-2021-01-28-388/), Quantum 5, 388 (2021).



[3] Christophe Piveteau, David Sutter, [Circuit knitting with classical communication](https://arxiv.org/abs/2205.00016), arXiv:2205.00016 [quant-ph].



[4] Lukas Brenner, Christophe Piveteau, David Sutter, [Optimal wire cutting with classical communication](https://arxiv.org/abs/2302.03366), arXiv:2302.03366 [quant-ph].



[5] K. Temme, S. Bravyi, and J. M. Gambetta, [Error mitigation for short-depth quantum circuits](https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.119.180509), Physical Review Letters, 119(18), (2017).

  

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### License

[Apache License 2.0](LICENSE.txt)