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Back Cover: Phys. Status Solidi RRL 10/2010
Publication year - 2010
Publication title -
physica status solidi (rrl) – rapid research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 68
eISSN - 1862-6270
pISSN - 1862-6254
DOI - 10.1002/pssr.201090014
Subject(s) - plasmon , cover (algebra) , excitation , optoelectronics , surface plasmon , nanoparticle , nanotechnology , materials science , computer science , engineering physics , telecommunications , physics , optics , engineering , quantum mechanics , mechanical engineering
The implementation of compact plasmonic circuits in a wide variety of applications requires structures that can convert incident light into guided plasmon waves and vice‐versa. In their Letter on pp. 280–282, Ghoshal and Kik discuss a nanostructured surface plasmon coupler that consists of an array of gold nanoparticles placed on an ultrathin silica film above a gold plasmon guiding layer. The periodic placement of the gold nanoparticles results in constructive excitation of surface plasmons on the gold film. Experiments using white‐light illumination demonstrate the selective excitation of red surface plasmons propagating away from the nanoparticle array. By performing spatially selective leakage radiation measurements of the generated plasmon beam, the frequency dependent coupling efficiency is determined. The presented method for determining the plasmon excitation efficiency is broadly applicable, and can be used to evaluate devices independent of their exact design.