Architectural design for a topological cluster state quantum computer

TL;DR

This paper proposes a scalable, fault-tolerant quantum computer architecture using topological cluster states and photonic modules, addressing key challenges in large-scale optical quantum computing.

Contribution

It introduces a novel modular architecture combining topological cluster states with photonic modules for scalable, error-corrected quantum computation.

Findings

Achieves high fault-tolerance thresholds

Provides a feasible design for large-scale optical quantum computers

Integrates active error correction into the architecture

Abstract

The development of a large scale quantum computer is a highly sought after goal of fundamental research and consequently a highly non-trivial problem. Scalability in quantum information processing is not just a problem of qubit manufacturing and control but it crucially depends on the ability to adapt advanced techniques in quantum information theory, such as error correction, to the experimental restrictions of assembling qubit arrays into the millions. In this paper we introduce a feasible architectural design for large scale quantum computation in optical systems. We combine the recent developments in topological cluster state computation with the photonic module, a simple chip based device which can be used as a fundamental building block for a large scale computer. The integration of the topological cluster model with this comparatively simple operational element addresses many significant issues in scalable computing and leads to a promising modular architecture with complete integration of active error correction exhibiting high fault-tolerant thresholds.