Using Mr Mustard

Development

Mr Mustard API

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  2. Mr Mustard Documentation
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Mr Mustard Documentation

Release:

0.7.3

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Mr Mustard is a differentiable bridge between phase space and Fock space with rich functionality in both representations.

Key Concepts

Learn about the main features of Mr Mustard

Developing

How you can contribute to Mr Mustard

API

Explore the Mr Mustard API

Features

Mr Mustard supports the following in a fully differentiable way:

  • Phase space representation of Gaussian states and Gaussian channels on an arbitrary number of modes

  • Exact Fock representation of any Gaussian circuit and any Gaussian state up to an arbitrary cutoff

  • Beam splitter, MZ interferometer, squeezer, displacement, phase rotation, bosonic lossy channel, thermal channel, more to come..

  • General Gaussian N-mode gate and general N-mode Interferometer with dedicated symplectic and orthogonal optimization routines

  • Photon number moments

  • PNR detectors, Threshold detectors with trainable quantum efficiency and dark counts

  • Homodyne, Heterodyne and Generaldyne Gaussian measurements

  • An optimizer with a spiffy progress bar

  • A composable Circuit object

  • Plug-and-play backends (TensorFlow and PyTorch)

  • An abstraction layer XPTensor for seamless symplectic algebra

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