Fault-tolerant quantum computing with photonics

Mercedes Gimeno-Segovia; Hugo V. Cable

doi:10.1117/12.3021437

10 June 2024 Fault-tolerant quantum computing with photonics

Mercedes Gimeno-Segovia, Hugo V. Cable

Proceedings Volume PC13028, Quantum Information Science, Sensing, and Computation XVI; PC1302807 (2024) https://doi.org/10.1117/12.3021437
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

General-purpose fault-tolerant quantum computers will utilize millions of physical qubits, thus requiring an underlying qubit technology that can be manufactured at scale. Integrated silicon photonics is an intrinsically scalable and manufacturable platform where all necessary gates are available to manipulate qubits, encoded in photons, with very high fidelity and low noise. In this talk, we will discuss architectures for fault-tolerant quantum computing with photonics in the newly introduced fusion-based quantum computing paradigm. Fusion-based quantum computing presents a new framework for fault-tolerant quantum computation, focused on the efficient integration of quantum error correction and physical-level hardware operation. Its primitives, small, entangled resource states, and projective entangling gates make it particularly useful in an integrated photonics platform, offering significant architectural simplifications and reducing requirements on physical level operations.

Conference Presentation

Citation Download Citation

Mercedes Gimeno-Segovia and Hugo V. Cable "Fault-tolerant quantum computing with photonics", Proc. SPIE PC13028, Quantum Information Science, Sensing, and Computation XVI, PC1302807 (10 June 2024); https://doi.org/10.1117/12.3021437

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