Author

Archie Butterworth

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Preprint Oct 2026

Q-MERGE: Parallelising Quantum State Preparation for Large-Scale Classical Data

Quantum processing of classical data fundamentally relies on efficiently mapping classical datasets onto the amplitudes of quantum states. Preparing large amplitude-encoded states, however, remains a major bottleneck in quantum computing. In this paper, we introduce a novel state-preparation framework we call Q-MERGE,...

Archie Butterworth, Jens Renders, Jing-Bo Wang · 0 citations

Preprint Sep 2026

From Block-encoding to Generalized Quantum Signal Processing: Principles, Algorithms and Applications

This paper develops techniques from first principles as a unified framework for constructing quantum algorithms based on polynomial transformations and applies this framework to representative applications to highlight design principles and demonstrate how distinct algorithms can be constructed from a unified sequence...

Tal Gurfinkel, Kaushika De Silva, A. Mahasinghe et al. · 0 citations

Preprint Sep 2026

Efficient quantum state preparation on Quantinuum hardware

Preparation and verification of specific quantum states is an important capability for quantum devices to realise advantages over classical computations and algorithms. In this work, we have demonstrated an end-to-end framework that combines resource-efficient quantum state preparation with rapid, robust fidelity verif...

Archie Butterworth, Josh Green, Yu-Sen Wu et al. · 0 citations