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Machine learning enhanced quantum state tomography on a field-programmable gate array
Journal article   Open access

Machine learning enhanced quantum state tomography on a field-programmable gate array

APL Quantum, Vol.2(2), p.Article 026117
12/05/2025

Abstract

Deep learning;Artificial neural networks;Machine learning;Quantum state;Density-matrix;Quantum optics;Quantum tomography;Wigner functions

Machine learning techniques have opened new avenues for real-time quantum state tomography (QST). In this work, we demonstrate the deployment of machine learning-based QST on edge devices, specifically utilizing field-programmable gate arrays (FPGAs). Our implementation uses the Vitis AI Integrated Development Environment provided by AMD® Inc. Compared to graphics processing unit-based machine learning QST, our FPGA-based approach reduces the average inference time by an order of magnitude, from 38 to 2.94 ms, but only suffers an average fidelity reduction by about 1% (from 0.99 to 0.98). This FPGA-based QST system offers a highly efficient and precise tool for diagnosing quantum states, marking a significant advancement in the practical applications for quantum information processing and quantum sensing.

url
https://doi.org/10.1063/5.0262942View
Published (Version of record) Open

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