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Trapped Ion Quantum Computing

Graphene as a tunable THz reservoir for shaping the Mollow triplet of an artificial atom via plasmonic effects

arXiv
Authors: Ebrahim Forati, George W. Hanson, Stephen Hughes

Year

2014

Paper ID

48406

Status

Preprint

Abstract Read

~2 min

Abstract Words

110

Citations

N/A

Abstract

Using a realistic quantum master equation we show that the resonance fluorescence spectra of a two-level artificial atom (quantum dot) can be tuned by adjusting its photonic local density of states via biasing of one or more graphene monolayers. The structured photon reservoir is included using a photon Green function theory which fully accounts for the loss and dispersion. The field-driven Mollow triplet spectrum can be actively controlled by the graphene bias in the THz frequency regime. We also consider the effect of a dielectric support environment, and multiple graphene layers, on the emitted fluorescence. Finally, thermal bath effects are considered and shown to be important for low THz frequencies.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • Using a realistic quantum master equation we show that the resonance fluorescence spectra of a two-level artificial atom (quantum dot) can be tuned by adjusting its photonic...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1407.7075 [2] arXiv https://arxiv.org/abs/1407.7075 [3] Publisher https://arxiv.org/abs/1407.7075

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