
Open access
Date
2017-06-13Type
- Journal Article
Abstract
Virtually all interactions that are relevant for atomic and condensed matter physics are mediated by quantum fluctuations of the electromagnetic field vacuum. Consequently, controlling the vacuum fluctuations can be used to engineer the strength and the range of interactions. Recent experiments have used this premise to demonstrate novel quantum phases or entangling gates by embedding electric dipoles in photonic cavities or wave guides, which modify the electromagnetic fluctuations. Here, we show theoretically that the enhanced fluctuations in the antisqueezed quadrature of a squeezed vacuum state allow for engineering interactions between electric dipoles without the need for a photonic structure. Thus, the strength and range of the interactions can be engineered in a time-dependent way by changing the spatial profile of the squeezed vacuum in a traveling-wave geometry, which also allows the implementation of chiral dissipative interactions. Using experimentally realized squeezing parameters and including realistic losses, we predict single-atom cooperativities C of up to 10 for the squeezed-vacuum-enhanced interactions. Show more
Permanent link
https://doi.org/10.3929/ethz-b-000187577Publication status
publishedExternal links
Journal / series
Physical Review XVolume
Pages / Article No.
Publisher
American Physical SocietyOrganisational unit
03636 - Imamoglu, Atac / Imamoglu, Atac
03966 - Huber, Sebastian (vor Amtsantritt)
Funding
671000 - Interacting polaritons in two-dimensional electron systems (EC)
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