Strong Coupling between Single Atoms and Nontransversal Photons
TLDR
The interaction between single quantum emitters and non-transversally polarized photons for which the electric field vector amplitude has a significant component in the direction of propagation is investigated.Abstract:
Light is often described as a fully transverse-polarized wave, i.e., with an electric field vector that is orthogonal to the direction of propagation. However, light confined in dielectric structures such as optical waveguides or whispering-gallery-mode microresonators can have a strong longitudinal polarization component. Here, using single $^{85}\mathrm{Rb}$ atoms strongly coupled to a whispering-gallery-mode microresonator, we experimentally and theoretically demonstrate that the presence of this longitudinal polarization fundamentally alters the interaction between light and matter.read more
Citations
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References
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Tunable whispering-gallery-mode resonators for cavity quantum electrodynamics
TL;DR: In this paper, the authors theoretically study the properties of highly prolate-shaped dielectric microresonators and show that the field per photon on the resonator surface is significantly higher than, e.g., for equatorial whisperinggallery modes in microsphere resonators with a comparable mode volume.
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All-optical signal processing at ultra-low powers in bottle microresonators using the Kerr effect.
TL;DR: Experimental results on nonlinear, ultra-low power photonics applications based on a silica whispering-gallery-mode microresonator that combines an ultrahigh quality factor of Q > 10(8) with a small mode volume V is presented and the same set-up can be operated as an optical memory.
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All-optical switching and strong coupling using tunable whispering-gallery-mode microresonators
Danny O'Shea,Danny O'Shea,C. Junge,C. Junge,M. Poellinger,A. Vogler,A. Vogler,Arno Rauschenbeutel,Arno Rauschenbeutel +8 more
TL;DR: In this article, the authors proposed a whispering gallery-mode bottle micro-resonator with a small mode volume and near-lossless fiber coupling, with a simple and customizable mode structure enabling full tunability.