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Author

Hugo Ribeiro

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Preprint Jul 2026

Error-Generator-Level Compression for Fast Quantum Gates

Fast quantum gates in multilevel systems require suppressing many coherent-error channels using pulses that remain simple to implement. We introduce error-generator-level compression, a Magnus-based control principle that minimizes the complete projected error generator at a chosen perturbative order while restricting...

Razvan Stanescu, Hugo Ribeiro · 0 citations
Preprint Jul 2026

Effective Hamiltonians for Predictive Quantum Control

High-fidelity quantum control relies on accurate models of driven dynamics. We examine this re- quirement for single-qubit gates in superconducting transmons by comparing control pulses derived from the standard Duffing approximation and from a Hamiltonian constructed by diagonalizing the transmon eigenbasis. Using the...

Razvan Stanescu, Hugo Ribeiro · 1 citation

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