Nano Research

, Volume 2, Issue 1, pp 47–53 | Cite as

Surface exciton-plasmon polariton enhanced light emission via integration of single semiconductor nanowires with metal nanostructures

Open Access
Research Article

Abstract

The light emission enhancement behavior from single ZnO nanowires integrated with metallic contacts is investigated by micro-photoluminescence measurements. Apart from surface plasmon polaritons at the air/metal interface, the emission of a single ZnO nanowire can be coupled into guided modes of surface excitonplasmon polaritons (SEPPs). The out-coupling avenues of SEPP guided modes are modeled in the presence of nanostructures, such as corrugation and gratings, on the metal surface. The guided modes of SEPPs in metalcontacted ZnO nanowires are calculated using the effective index method. The enhanced light emission from single semiconductor nanowires shows promise for use in highly efficient nano-emitters and nano-lasers, as well as macroscopic solid state light sources with very high efficiency.

Keywords

Semiconductor nanowires surface plasmon polaritons nanowire waveguides emission enhancement gratings 

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Copyright information

© Tsinghua University Press and Springer Berlin Heidelberg 2009

Authors and Affiliations

  1. 1.State Key Laboratory for Mesoscopic Physics, and Electron Microscopy Laboratory, Department of PhysicsPeking UniversityBeijingChina
  2. 2.National Laboratory of Solid State MicrostructuresNanjing UniversityNanjingChina

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