Eur. Phys. J. Appl. Phys.
Volume 80, Number 2, November 2017
|Number of page(s)||6|
|Published online||27 October 2017|
Competition and evolution of dielectric waveguide mode and plasmonic waveguide mode
School of Computer Science and Telecommunication Engineering, Jiangsu University,
212013, PR China
* e-mail: email@example.com
Received in final form: 28 August 2017
Accepted: 15 September 2017
Published online: 27 October 2017
In order to study the coupling and evolution law of the waveguide mode and two plasmonic surface modes, we construct a line defect waveguide based on hexagonal honeycomb plasmonic photonic crystal. Through adjusting the radius of the edge dielectric rods, the competition and evolution behaviors occur between dielectric waveguide mode and plasmonic waveguide mode. There are three status: only plasmonic waveguide modes occur for rA < 0.09a; only dielectric waveguide modes occur for rA > 0.25a; two kinds of modes coexist for 0.09a < rA < 0.25a. The plasmonic waveguide mode has advantages in achieving slow light.
© EDP Sciences, 2017
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