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Updated: Jan 9, 2026

Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Light extraction of oblique emissions via collecting the local quasi-mode evanescent wave at the subwavelength scale
1Department of Optics and Photonics, National Central University, Taoyuan 320317, Taiwan, ROC.
Abstract:
Oblique light emissions are reflected from the interface owing to the total internal reflection. It is found that a waveguide can be used to effectively collect the oblique light emissions of aligned organic dipoles because of the formation of a local quasi-mode evanescent wave. The numerical results show that the highest coupling efficiency and 3 dB spatial deviation of transverse magnetic (transverse electric) wave are 74.3% (78.9%) and 4.1μm (5.2μm), respectively. The proposed structure can be used in an organic light-emitting device for the applications of silicon photonic integrated circuits.
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