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Krotov: A Python implementation of Krotov's method for quantum optimal control

2019; SciPost.org; Volume: 7; Issue: 6 Linguagem: Inglês

10.21468/scipostphys.7.6.080

ISSN

2542-4653

Autores

Michael H. Goerz, Daniel Basilewitsch, Fernando Gago-Encinas, Matthias Krauß, Karl P. Horn, Daniel M. Reich, Christiane P. Koch,

Tópico(s)

Laser-Matter Interactions and Applications

Resumo

We present a new open-source Python package, krotov, implementing the quantum optimal control method of that name. It allows to determine time-dependent external fields for a wide range of quantum control problems, including state-to-state transfer, quantum gate implementation and optimization towards an arbitrary perfect entangler. Krotov's method compares to other gradient-based optimization methods such as gradient-ascent and guarantees monotonic convergence for approximately time-continuous control fields. The user-friendly interface allows for combination with other Python packages, and thus high-level customization. The package is being developed at https://github.com/qucontrol/krotov

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