Error-Mitigated Multi-Layer Quantum Routing
Wenbo Shi, Neel Kanth Kundu, Robert Malaney

TL;DR
This paper introduces eCDR, a novel quantum error mitigation method that improves multi-layer quantum routing performance on current quantum devices, outperforming existing techniques like ZNE and CDR.
Contribution
The paper proposes eCDR, a new error mitigation approach tailored for multi-layer quantum routing, demonstrating significant performance gains over existing methods.
Findings
eCDR outperforms ZNE and CDR in multi-layer quantum routing.
Experimental results show improved routing fidelity.
The method enhances scalability of quantum networks.
Abstract
Due to the numerous limitations of current quantum devices, quantum error mitigation methods become potential solutions for realizing practical quantum applications in the near term. Zero-Noise Extrapolation (ZNE) and Clifford Data Regression (CDR) are two promising quantum error mitigation methods. Based on the characteristics of these two methods, we propose a new method named extrapolated CDR (eCDR). To benchmark our method, we embed eCDR into a quantum application, specifically multi-layer quantum routing. Quantum routers direct a quantum signal from one input path to a quantum superposition of multiple output paths and are considered important elements of future quantum networks. Multi-layer quantum routers extend the scalability of quantum networks by allowing for further superposition of paths. We benchmark the performance of multi-layer quantum routers implemented on current…
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Taxonomy
TopicsQuantum Computing Algorithms and Architecture · Quantum Information and Cryptography · Quantum-Dot Cellular Automata
