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Spontaneous emission into a planar optical waveguide mode by an atom outside the waveguide

Andrei Modoran, Gregory Lafyatis

quant-pharXiv:quant-ph/0609120

Abstract

An electronically excited atom or molecule located outside but near a planar optical waveguide can decay by spontaneous emission of a photon into a guided mode of the waveguide. We outline a QED theory for calculating the probability for this process and describe general physical insights from that theory. A couple of representative examples are discussed in detail.

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