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Trapped Ion Quantum Computing

Zero-field dipolar decoupling of color center ensembles via universal qutrit control

arXiv

Authors: Antonio Verdú, Ana Teresa Gea-Caballero, Santiago Oviedo-Casado, Fedor Jelezko, Javier Prior

Year

2026

Paper ID

68231

Status

Preprint

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~2 min

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Abstract

Dipolar interactions are a major source of decoherence in dense ensembles of color centers in diamond. Current protocols demand using bias magnetic fields detrimental in many scenarios. We present ZENITH (Zero-field Ensemble Neutralization via Interleaved Trilevel Handling), a pulsed sequence to cancel dipolar interactions among V-degenerate spin-1 systems. We reveal excellent coherence survival, compatibility with existing sensing sequences, and improved DC detection, advancing a general framework to control interacting degenerate multilevel systems, of broad interest in quantum technologies.

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Dipolar interactions are a major source of decoherence in dense ensembles of color centers in diamond.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2605.26863 [2] arXiv https://arxiv.org/abs/2605.26863 [3] Publisher https://arxiv.org/abs/2605.26863

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