Realizing Quantum Adversarial Defense on a Trapped-ion Quantum Processor

• URL: http://arxiv.org/abs/2503.02436v1
• Date: Tue, 04 Mar 2025 09:22:59 GMT
• Title: Realizing Quantum Adversarial Defense on a Trapped-ion Quantum Processor
• Authors: Alex Jin, Tarun Dutta, Anh Tu Ngo, Anupam Chattopadhyay, Manas Mukherjee,
• Abstract summary: We implement a data re-uploading-based quantum classifier on an ion-trap quantum processor.<n>We demonstrate its superior robustness on the MNIST dataset.
• Score: 3.1858340237924776
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Classification is a fundamental task in machine learning, typically performed using classical models. Quantum machine learning (QML), however, offers distinct advantages, such as enhanced representational power through high-dimensional Hilbert spaces and energy-efficient reversible gate operations. Despite these theoretical benefits, the robustness of QML classifiers against adversarial attacks and inherent quantum noise remains largely under-explored. In this work, we implement a data re-uploading-based quantum classifier on an ion-trap quantum processor using a single qubit to assess its resilience under realistic conditions. We introduce a novel convolutional quantum classifier architecture leveraging data re-uploading and demonstrate its superior robustness on the MNIST dataset. Additionally, we quantify the effects of polarization noise in a realistic setting, where both bit and phase noises are present, further validating the classifier's robustness. Our findings provide insights into the practical security and reliability of quantum classifiers, bridging the gap between theoretical potential and real-world deployment.

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