Modeling Quantum Links for the Exploration of Distributed Quantum Computing Systems

TL;DR

This paper reviews quantum communication models and proposes a scalable simulation framework to aid the design of distributed quantum computing systems, addressing challenges in system scaling and performance estimation.

Contribution

It introduces a comprehensive review of quantum link protocols and models, and presents a new scalable simulation framework for system design and evaluation.

Findings

Reviewed protocols for quantum state distribution via microwave photons.

Developed a scalable simulation framework for distributed quantum systems.

Provided insights into latency, losses, and fidelity estimation in quantum links.

Abstract

Quantum computing offers the potential to solve certain complex problems, yet, scaling monolithic processors remains a major challenge. Modular and distributed architectures are proposed to build large-scale quantum systems while bringing the security advantages of quantum communication. At present, this requires accurate and computationally efficient models of quantum links across different scales to advance system design and guide experimental prototyping. In this work, we review protocols and models for estimating latency, losses, and fidelity in quantum communication primitives relying on quantum state distribution via microwave photons. We also propose a scalable simulation framework to support the design and evaluation of future distributed quantum computing systems.