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Adaptive Quantum Feedback Control Algorithm

Jincheng Zhang

Published Sep 3, 2026• 0 citations
Publisher

Abstract

This paper presents an Adaptive Quantum Feedback Control Algorithm (AQFCA) designed to achieve high-precision control of quantum systems. The core of the algorithm lies in utilizing quantum measurements to generate feedback signals, which are then employed to dynamically adjust the parameters of the quantum system. This approach leverages the principles of reinforcement learning to optimize the control strategy, addressing the inherent precision challenges associated with traditional quantum feedback control. The AQFCA offers a novel solution for enhancing the accuracy and reliability of quantum control, thereby providing a crucial foundation for the practical application of quantum technologies. The algorithm's implementation involves a closed-loop system where a measurement of the quantum state is continuously fed back, and the control parameters are adjusted based on this feedback. The use of reinforcement learning allows the system to adapt to the specific characteristics of the quantum system, further improving control accuracy.

DOI
10.5281/zenodo.22268426

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This paper proposes and analyzes an adaptive quantum feedback control system designed to optimize the performance of quantum devices. The core of the system lies in a real-time monitoring and adjustment mechanism utilizing a quantum sensor to measure the state of the quantum system. This measurement data is then fed back into a control algorithm, which dynamically adjusts the system parameters to achieve precise control. Unlike traditional control systems that are sensitive to parameter uncertainties, this adaptive approach leverages the inherent properties of quantum systems to enhance stability and performance. The theoretical framework presented here establishes a foundation for future research and development in adaptive quantum control, addressing key challenges in quantum device operation and manipulation. The system aims to provide a robust and flexible solution for controlling quantum systems with varying characteristics. The primary focus is on the control loop design and the feedback algorithm implementation, with an emphasis on achieving optimal performance under conditions of parameter uncertainty. This work contributes to the growing field of quantum control by introducing a novel adaptive strategy that can significantly improve the operational capabilities of quantum devices.
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