Physics – Quantum Physics
Scientific paper
2010-02-04
Phys. Rev. A 82, 012325 (2010)
Physics
Quantum Physics
16 pages, 7 figures, RevTeX4
Scientific paper
We introduce the quantum mechanical formalism for treating surface plasmon polariton scattering at an interface. Our developed theory - which is fundamentally different from the analogous photonic scenario - is used to investigate the possibility of plasmonic beamsplitters 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 beamsplitter and investigate first-order quantum interference of surface plasmon polaritons. The results of this theoretical study show that surface plasmon beamsplitters are able to reliably and efficiently operate in the quantum domain.
Ballester Daniel
Kim Min-Soo
Tame M. S.
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