Quantum theory of surface-plasmon polariton scattering

被引：20

作者：

Ballester, D. ^{[1
]}

Tame, M. S. ^{[1
,2
]}

Kim, M. S. ^{[1
,2
,3
]}

机构：

[1] Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland

[2] Univ London Imperial Coll Sci Technol & Med, Inst Math Sci, London SW7 2PG, England

[3] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, QOLS, London SW7 2BW, England

来源：

PHYSICAL REVIEW A | 2010年 / 82卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

BEAM SPLITTER; ASSISTED TRANSMISSION; RECIPROCITY RELATIONS; OPTICAL PLASMONS; PHOTONS; QUANTIZATION; INTERFERENCE; DERIVATION; REFRACTION; FIELD;

D O I：

10.1103/PhysRevA.82.012325

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页数：19

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