Determination of coupling rate of light emitter to surface plasmon polaritons supported on nanohole array
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AbstractIt is known that surface plasmon mediated fluorescence comprises of excitation and emission enhancements. In particular, for emission enhancement, the energy from the excited emitters is first coupled to surface plasmon polaritons (SPPs), which in turn radiatively scatter to far-field. However, these two sequential processes are rarely studied individually, making the understanding of them difficult. Here, we decouple them by using rate equation model and study the coupling as a function of emission wavelength by finite-difference time-domain simulation. As a demonstration, we measure the coupling rate of styryl 8 fluorescent dyes to SPPs on Au nanohole array in Gamma-X direction. (C) 2013 AIP Publishing LLC.
All Author(s) ListCao ZL, Ong HC
Journal nameApplied Physics Letters
Volume Number102
Issue Number24
PublisherAIP Publishing
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesPhysics; Physics, Applied; PHYSICS, APPLIED

Last updated on 2020-29-07 at 01:47