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Scheduling Compact Error Correcting Codes in Entanglement Distribution Networks

Published: 10 September 2023 Publication History

Abstract

A fundamental challenge in generating and distributing high-fidelity entanglement in quantum repeater networks is the management and suppression of quantum errors. In this work, we develop an approach for extending the effective coherence time of shared entanglement between nodes by utilizing compact quantum error correcting (QEC) codes, which are scheduled and run locally on resource-constrained repeaters, to maximize the fidelity of the shared state, while also accounting for the incurred gate noise from QEC circuit operations. This local QEC approach stabilizes the distributed state via local operations, so independent execution on the nodes requires no additional synchronization or protocol overhead. Simulation results show significant improvements in the effective coherence time relative to idle decay, suggesting this approach could be useful in several quantum networking protocols such as entanglement generation, swapping, purification, and teleportation.

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cover image ACM Conferences
QuNet '23: Proceedings of the 1st Workshop on Quantum Networks and Distributed Quantum Computing
September 2023
76 pages
ISBN:9798400703065
DOI:10.1145/3610251
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Publication History

Published: 10 September 2023

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Author Tags

  1. quantum networks
  2. quantum communication
  3. distributed quantum computing
  4. resource management
  5. quantum error correction

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