Isotropic and anisotropic continuous index photon traps based on composite optical materials

Dentcho A. Genov

doi:10.1117/12.930094

15 October 2012 Isotropic and anisotropic continuous index photon traps based on composite optical materials

Dentcho A. Genov

Proceedings Volume 8455, Metamaterials: Fundamentals and Applications V; 84551U (2012) https://doi.org/10.1117/12.930094
Event: SPIE NanoScience + Engineering, 2012, San Diego, California, United States

Abstract

Two major types of optical cavities are in wide-use today: photonic crystals and optical microcavities. However, both of these systems have major drawbacks. Photonic crystals only operate for a certain range of wavelengths while optical microcavities can only trap light for a certain range of angles determined by the microcavity angle of total internal reflection. Here, new types of optical cavities are proposed and investigated, aiming to resolve these problems by providing Lyapunov-stable photon orbits within a specially designed inhomogeneous isotropic/anisotropic media. These types of optical traps, referred to as a Continuous Index Photon Traps (CIPTs), seek to exploit recent advances in the field of optics. Specifically, nanofabricating artificial optical materials, i.e. metamaterials, that can bend light and entrap photons in a finite spatial domain. The CIPT’s potential to provide stable photon orbits is assessed. Material realizations of the proposed photon traps are suggested and their optical properties including cavity Q-factors and decay rates are estimated. Potentialy important practical applications of the CIPTs would include optical cavities that trap light withough use of refraction index discontiniuties and hence have low scattering losses due to surface roughness.

Citation Download Citation

Dentcho A. Genov "Isotropic and anisotropic continuous index photon traps based on composite optical materials", Proc. SPIE 8455, Metamaterials: Fundamentals and Applications V, 84551U (15 October 2012); https://doi.org/10.1117/12.930094

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