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Trapped Ion Quantum Computing

Environmental noise reduction for holonomic quantum gates

arXiv

Authors: Daniele Parodi, Maura Sassetti, Paolo Solinas, Nino Zanghì

Year

2007

Paper ID

50676

Status

Preprint

Abstract Read

~2 min

Abstract Words

100

Citations

N/A

Abstract

We study the performance of holonomic quantum gates, driven by lasers, under the effect of a dissipative environment modeled as a thermal bath of oscillators. We show how to enhance the performance of the gates by suitable choice of the loop in the manifold of the controllable parameters of the laser. For a simplified, albeit realistic model, we find the surprising result that for a long time evolution the performance of the gate (properly estimated in terms of average fidelity) increases. On the basis of this result, we compare holonomic gates with the so-called stimulated Raman adiabatic passage (STIRAP) gates.

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We study the performance of holonomic quantum gates, driven by lasers, under the effect of a dissipative environment modeled as a thermal bath of oscillators.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0704.0376 [2] arXiv https://arxiv.org/abs/0704.0376 [3] Publisher https://arxiv.org/abs/0704.0376

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