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Trapped Ion Quantum Computing

Creation of a squeezed photon distribution using artificial atoms with broken inversion symmetry

arXiv
Authors: Martin Koppenhöfer, Michael Marthaler

Year

2015

Paper ID

26706

Status

Preprint

Abstract Read

~2 min

Abstract Words

123

Citations

N/A

Abstract

We consider a two level system with both a transversal and a longitudinal coupling to the electromagnetic field of a resonator. Using a polaron transformation, this Hamiltonian can be mapped onto a Jaynes-Cummings Hamiltonian with generalized field operators acting on the electromagnetic field in the resonator. In contrast to the usual ladder operators a and adagger, these operators exhibit a non-monotous coupling strength with respect to the number n of photons in the resonator. Especially, there are roots of the coupling between qubit and resonator at certain photon numbers n0. We show, that this effect can be exploited to generate photon-number squeezed light, characterized by a Fano factor F ll 1, with a large number of photons e.g. of the order of $104$.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • We consider a two level system with both a transversal and a longitudinal coupling to the electromagnetic field of a resonator.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1510.04168 [2] arXiv https://arxiv.org/abs/1510.04168 [3] Publisher https://arxiv.org/abs/1510.04168

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