Author

T. Ralph

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Preprint Sep 2026

Generation of large-amplitude squeezed cat states with near-unity efficiency

The Gottesman-Kitaev-Preskill encoding has emerged as a leading candidate for fault-tolerant quantum computation with continuous variables. For photonic architectures, the major challenge is preparing high-quality resource states, which can be deterministically synthesised from many large-amplitude cat states. Thus far...

Simon K. Yung, M. Winnel, T. Ralph et al. · 0 citations

Preprint Sep 2026

Near-Optimal Bell Nonlocality with GKP and Entangled Cat States

Gottesman-Kitaev-Preskill (GKP) states are widely studied as a bosonic encoding for fault-tolerant quantum computing because small displacement errors can be identified and corrected through syndrome measurements. However, fault-tolerant operation requires substantially greater GKP squeezing than is currently available...

Özlem Erkılıç, Aritra Das, S. Swain et al. · 0 citations