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arXiv · 2305.03179

Qumode transfer between continuous and discrete variable devices

Alexandru Macridin·Andy C. Y. Li·Panagiotis Spentzouris
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Abstract

Transferring quantum information between different types of quantum hardware is crucial for integrated quantum technology. In particular, converting information between continuous-variable (CV) and discrete-variable (DV) devices enables many applications in quantum networking, quantum sensing, quantum machine learning, and quantum computing. This paper addresses the transfer of CV-encoded information between CV and DV devices. We present a resource-efficient method for encoding CV states and implementing CV gates on DV devices, as well as two measurement-based protocols for transferring CV states between CV and DV devices. The success probability of the transfer protocols depends on the measurement outcome and can be increased to near-deterministic values by adding ancillary qubits to the DV devices.

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Alexandru Macridin, Andy C. Y. Li, Panagiotis Spentzouris. 2023-05-04. Qumode transfer between continuous and discrete variable devices. https://doi.org/10.1103/physreva.109.032419

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