Self-formed cavity quantum electrodynamics in coupled dipole cylindrical-waveguide systems
S Afshar, MR Henderson, AD Greentree, BC Gibson, TM Monro
Optics Express | OPTICAL SOC AMER | Published : 2014
An ideal optical cavity operates by confining light in all three dimensions. We show that a cylindrical waveguide can provide the longitudinal confinement required to form a two dimensional cavity, described here as a self-formed cavity, by locating a dipole, directed along the waveguide, on the interface of the waveguide. The cavity resonance modes lead to peaks in the radiation of the dipole-waveguide system that have no contribution due to the skew rays that exist in longitudinally invariant waveguides and reduce their Q-factor. Using a theoretical model, we evaluate the Q-factor and modal volume of the cavity formed by a dipole-cylindrical-waveguide system and show that such a cavity all..View full abstract
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Awarded by ARC
The authors would like to thank K. Rowland and A. Francois for helpful discussions. This research was supported under the ARC Discovery Project funding (DP120100901). A. D. Greentree, and B. C. Gibson acknowledge the support of ARC fundings DP130104381, and FT110100225, respectively. T. M. Monro acknowledges the support of ARC Federation and Laureate Fellowships.