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Quantum network utility: A framework for benchmarking quantum networks.

Yuan Lee1,2, Wenhan Dai2,3,4, Don Towsley3

  • 1Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139.

Proceedings of the National Academy of Sciences of the United States of America
|April 19, 2024
PubMed
Summary
This summary is machine-generated.

We introduce a quantum network utility metric to benchmark diverse quantum networks. This framework shows distributed quantum computing offers greater potential than classical methods.

Keywords:
network utilityquantum networksscaling laws

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Area of Science:

  • Quantum Information Science
  • Network Engineering
  • Economic Analysis

Background:

  • Quantum networks aim to connect users via quantum channels.
  • A need exists for standardized metrics to compare different quantum network performances.
  • Current benchmarking approaches lack a comprehensive framework for diverse applications.

Purpose of the Study:

  • To propose a general framework for quantifying quantum network performance.
  • To introduce the quantum network utility metric to assess social and economic value.
  • To provide a foundation for guiding and assessing quantum network development.

Main Methods:

  • Developed a framework for estimating the value created by quantum network connections.
  • Defined the quantum network utility metric [Formula: see text].
  • Investigated distributed quantum computing as a case study, determining scaling laws.

Main Results:

  • The proposed framework quantifies the value of quantum networks across various applications.
  • The quantum network utility metric captures social and economic benefits.
  • Scaling laws indicate distributed edge quantum computing surpasses classical equivalents.

Conclusions:

  • The utility-based framework offers a standardized approach to benchmarking quantum networks.
  • The findings support the potential of distributed quantum computing.
  • This framework will guide future quantum network technologies and designs.