Orientation-dependent spontaneous emission rates of a two-level quantum emitter in any nanophotonic environment

Vos, Willem L. and Koenderink, A. Femius and Nikolaev, Ivan S. (2009) Orientation-dependent spontaneous emission rates of a two-level quantum emitter in any nanophotonic environment. Physical review A: Atomic, molecular, and optical physics, 80 (5). 053802. ISSN 1050-2947

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Abstract:	We study theoretically the spontaneous emission rate of a two-level quantum emitter in any nanophotonic system. We derive a general representation of the rate on the orientation of the transition dipole by only invoking symmetry of the Green function. The rate depends quadratically on orientation and is determined by rates along three principal axes, which greatly simplifies visualization: emission rate surfaces provide insight on how preferred orientations for enhancement (or inhibition) depend on emission frequency and location, as shown for a mirror, a plasmonic sphere, and a photonic band-gap crystal. Moreover, insight is provided on means to “switch” the emission rates by actively controlling the orientation of the emitters’ transition dipole.
Item Type:	Article
Copyright:	© 2009 The American Physical Society
Faculty:	Science and Technology (TNW)
Research Group:	Complex Photonic Systems (CoPS)
Link to this item:	http://purl.utwente.nl/publications/73211
Official URL:	http://dx.doi.org/10.1103/PhysRevA.80.053802
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