Hyperbolic metamaterials: Kronig Penney approach (presentation video)

Jacob B. Khurgin

doi:10.1117/12.2060863

12 November 2014 Hyperbolic metamaterials: Kronig Penney approach (presentation video)

Jacob B. Khurgin

Proceedings Volume 9160, Metamaterials: Fundamentals and Applications 2014; 91600G (2014) https://doi.org/10.1117/12.2060863
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

Hyperbolic optical metamaterials is an interesting class of extremely artificial materials that exhibit metallic or dielectric properties depending on the polarization. Effective medium approach predicts that the wavevectors can be infinitely high, although in practicability they are limited by the periodicity of the metamaterials (often referred to as “nonlocality”). In this talk we examine a different approach, based on Kronig Penney modal and show how one can obtain dispersion, group velocity, density of states, and the loss of hyperbolic metamaterial without reverting to extensive numerical calculations. Our approach shows that hyperbolic materials can be interpreted as coupled arrays of gap plasmons, and also reveals an interesting fact, missing form effective medium model) that elliptical and hyperbolic dispersions can coexist in the material at certain frequencies.

Citation Download Citation

Jacob B. Khurgin "Hyperbolic metamaterials: Kronig Penney approach (presentation video)", Proc. SPIE 9160, Metamaterials: Fundamentals and Applications 2014, 91600G (12 November 2014); https://doi.org/10.1117/12.2060863

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