QMoE: A Quantum Mixture of Experts Framework for Scalable Quantum Neural Networks

• URL: http://arxiv.org/abs/2507.05190v1
• Date: Mon, 07 Jul 2025 16:49:07 GMT
• Title: QMoE: A Quantum Mixture of Experts Framework for Scalable Quantum Neural Networks
• Authors: Hoang-Quan Nguyen, Xuan-Bac Nguyen, Sankalp Pandey, Samee U. Khan, Ilya Safro, Khoa Luu,
• Abstract summary: Quantum machine learning (QML) has emerged as a promising direction in the noisy intermediate-scale quantum (NISQ) era.<n>We propose quantum mixture of experts (QMoE), a novel quantum architecture that integrates the mixture of experts (MoE) paradigm into the QML setting.<n>Our work paves the way for scalable and interpretable quantum learning frameworks.
• Score: 8.523710589195268
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Quantum machine learning (QML) has emerged as a promising direction in the noisy intermediate-scale quantum (NISQ) era, offering computational and memory advantages by harnessing superposition and entanglement. However, QML models often face challenges in scalability and expressiveness due to hardware constraints. In this paper, we propose quantum mixture of experts (QMoE), a novel quantum architecture that integrates the mixture of experts (MoE) paradigm into the QML setting. QMoE comprises multiple parameterized quantum circuits serving as expert models, along with a learnable quantum routing mechanism that selects and aggregates specialized quantum experts per input. The empirical results from the proposed QMoE on quantum classification tasks demonstrate that it consistently outperforms standard quantum neural networks, highlighting its effectiveness in learning complex data patterns. Our work paves the way for scalable and interpretable quantum learning frameworks.

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