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Trapped Ion Quantum Computing
Protecting Quantum Information via Destructive Interference of Correlated Noise
arXiv
Authors: Alon Salhov, Qingyun Cao, Jianming Cai, Alex Retzker, Fedor Jelezko, Genko Genov
Year
2023
Paper ID
52871
Status
Preprint
Abstract Read
~2 min
Abstract Words
76
Citations
N/A
Abstract
Decoherence and imperfect control are crucial challenges for quantum technologies. Common protection strategies rely on noise temporal autocorrelation, which is not optimal if other correlations are present. We develop and demonstrate experimentally a strategy that utilizes the cross-correlation of two noise sources. We achieve a tenfold coherence time extension by destructive interference of cross-correlated noise, improve control fidelity, and surpass the state-of-the-art sensitivity for high frequency quantum sensing, significantly expanding the applicability of noise protection strategies.
Why This Paper Matters
- This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
- It adds a 2023 reference point for readers tracking recent quantum research.
- Decoherence and imperfect control are crucial challenges for quantum technologies.
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