Hybrid coupling mechanism in a system supporting high order diffraction, plasmonic, and cavity resonances

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

doi:10.1103/PhysRevLett.113.263902

Hybrid coupling mechanism in a system supporting high order diffraction, plasmonic, and cavity resonances

Phys Rev Lett. 2014 Dec 31;113(26):263902. doi: 10.1103/PhysRevLett.113.263902. Epub 2014 Dec 29.

Authors

Abraham Vázquez-Guardado¹, Alireza Safaei², Sushrut Modak¹, Daniel Franklin², Debashis Chanda³

Affiliations

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

PMID: 25615336
DOI: 10.1103/PhysRevLett.113.263902

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.