期刊
ENTROPY
卷 25, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/e25020352
关键词
quantum machine learning; entanglement distillation; state discrimination; distributed quantum computing; parameterized quantum circuits
This paper studies the design of LOCC protocols in the presence of noisy communication channels by using quantum machine learning tools. It focuses on quantum entanglement distillation and quantum state discrimination tasks and uses parameterized quantum circuits (PQCs) to optimize local processing while accounting for communication errors. The introduced approach, Noise Aware-LOCCNet (NA-LOCCNet), outperforms existing protocols designed for noiseless communications.
Distributed quantum information processing protocols such as quantum entanglement distillation and quantum state discrimination rely on local operations and classical communications (LOCC). Existing LOCC-based protocols typically assume the availability of ideal, noiseless, communication channels. In this paper, we study the case in which classical communication takes place over noisy channels, and we propose to address the design of LOCC protocols in this setting via the use of quantum machine learning tools. We specifically focus on the important tasks of quantum entanglement distillation and quantum state discrimination, and implement local processing through parameterized quantum circuits (PQCs) that are optimized to maximize the average fidelity and average success probability in the respective tasks, while accounting for communication errors. The introduced approach, Noise Aware-LOCCNet (NA-LOCCNet), is shown to have significant advantages over existing protocols designed for noiseless communications.
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