Spontaneous emission of atomic dipoles near two-sided semi-transparent mirrors

Benjamin Dawson; Nicholas Furtak-Wells; Thomas Mann; Gin Jose; Almut Beige

doi:10.1117/12.2554809

22 April 2020 Spontaneous emission of atomic dipoles near two-sided semi-transparent mirrors

Benjamin Dawson, Nicholas Furtak-Wells, Thomas Mann, Gin Jose, Almut Beige

Proceedings Volume 11345, Nanophotonics VIII; 113451C (2020) https://doi.org/10.1117/12.2554809
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

Atom-field interactions near optical interfaces have a wide range of applications in quantum technology. Motivated by this, this paper revisits the spontaneous emission of atomic dipoles in the presence of a two sided semi-transparent mirror. First we review the main properties of the quantised electromagnetic field near a semitransparent mirror. To do so, we employ a quantum mirror image detector method which maps the experimental setup which we consider here onto analogous free space scenarios. We emphasise that the local density of states of the electromagnetic field depends on the reflection rates of both sides of the mirror surface. Hence it is not surprising that also the spontaneous decay rate of an atomic dipole in front of a semi-transparent mirror depends on both reflectance rates. Although the effect which we describe here only holds for relatively short atom-mirror distances, it can aid the design of novel photonics devices.

Conference Presentation

Citation Download Citation

Benjamin Dawson, Nicholas Furtak-Wells, Thomas Mann, Gin Jose, and Almut Beige "Spontaneous emission of atomic dipoles near two-sided semi-transparent mirrors", Proc. SPIE 11345, Nanophotonics VIII, 113451C (22 April 2020); https://doi.org/10.1117/12.2554809

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