Hybrid Coupling Mechanism in a System Supporting High Order Diffraction, Plasmonic, and Cavity Resonances

Abraham Vázquez-Guardado, Alireza Safaei, Sushrut Modak, Daniel Franklin, and Debashis Chanda

Phys. Rev. Lett. 113, 263902 – Published 29 December 2014

Abstract

The interactions between plasmonic and photonic modes of a cavity-coupled plasmonic crystal are studied in diffraction and diffractionless regimes, which lead us to the understanding of coherent interactions between electron plasma, higher order cavity, and diffraction modes. The strong interaction between plasmonic and photonic modes is shown to enhance as well as suppress surface plasmon resonance based on cavity phase relation. Numerical and analytical approaches are developed to accurately explain the physics of the interactions evident in their characteristic dispersion graphs. Further experimental measurements confirm the theoretical predictions.

Received 22 August 2014

DOI:https://doi.org/10.1103/PhysRevLett.113.263902

Authors & Affiliations

Abraham Vázquez-Guardado^1,2, Alireza Safaei^3,2, Sushrut Modak^1,2, Daniel Franklin^3,2, and Debashis Chanda^1,3,2,*

¹CREOL, College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA
²NanoScience Technology Center, University of Central Florida, Orlando, Florida 32826, USA
³Department of Physics, University of Central Florida, Orlando, Florida 32816, USA

^*debashis.chanda@creol.ucf.edu

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Issue

Vol. 113, Iss. 26 — 31 December 2014

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