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Trapped Ion Quantum Computing

Composite pulses for high-fidelity population inversion in optically dense, inhomogeneously broadened atomic ensembles

arXiv
Authors: Gabor Demeter

Year

2015

Paper ID

26053

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

We derive composite pulse sequences that achieve high-fidelity excitation of two-state systems in an optically dense, inhomogeneously broadened ensemble. The composite pulses are resistant to distortions due to the back-action of the medium they propagate in and are able to create high-fidelity inversion to optical depths αz>10. They function well with smooth pulse shapes used for coherent control of optical atomic transitions in quantum computation and communication. They are an intermediary solution between single π-pulse excitation schemes and adiabatic passage schemes, being far more error tolerant than the former but still considerably faster than the latter.

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  • We derive composite pulse sequences that achieve high-fidelity excitation of two-state systems in an optically dense, inhomogeneously broadened ensemble.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1511.06155 [2] arXiv https://arxiv.org/abs/1511.06155 [3] Publisher https://arxiv.org/abs/1511.06155

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