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Trapped Ion Quantum Computing

Generating photons from vacuum with counter rotating wave interaction

arXiv
Authors: Qi-Kai He, Zheng An, Hai-Jing Song, D. L. Zhou

Year

2018

Paper ID

24117

Status

Preprint

Abstract Read

~2 min

Abstract Words

117

Citations

N/A

Abstract

Recently, the studies on the light-matter interaction have been pushed into the ultrastrong coupling regime, which motivates the exploration of applications of the counter rotating wave (CRW) interaction. Even in the ultrastrong coupling regime, however, few photons can be generated from the vacuum by switching on the CRW interaction. Here we propose a scheme to enhance the photon generation from the vacuum by a bang-bang (switching on/off) control of the CRW interaction. By developing a pruning greedy algorithm to search the optimal control sequence, we find that the maximum photon number obtained for a given time period in our scheme can be dramatically increased up to several orders than that from switching on the CRW interaction.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • Recently, the studies on the light-matter interaction have been pushed into the ultrastrong coupling regime, which motivates the exploration of applications of the counter...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1810.04523 [2] arXiv https://arxiv.org/abs/1810.04523 [3] Publisher https://arxiv.org/abs/1810.04523

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