Quantum theory of surface-plasmon polariton scattering
Journal Article
·
· Physical Review. A
- School of Mathematics and Physics, Queen's University, Belfast BT7 1NN (United Kingdom)
We introduce the quantum mechanical formalism for treating surface plasmon polariton scattering at an interface. Our developed theory--which differs fundamentally from the analogous photonic scenario--is used to investigate the possibility of plasmonic beam splitters at the quantum level. Remarkably, we find that a wide range of splitting ratios can be reached. As an application, we characterize a 50:50 plasmonic beam splitter and investigate first-order quantum interference of surface plasmon polaritons. The results of this theoretical study show that surface plasmon beam splitters are able to reliably and efficiently operate in the quantum domain.
- OSTI ID:
- 21456931
- Journal Information:
- Physical Review. A, Vol. 82, Issue 1; Other Information: DOI: 10.1103/PhysRevA.82.012325; (c) 2010 The American Physical Society; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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