Tuning the photonic band structure of lattices with cylindrical shell rod

Kaisar R. Khan; Trevor J. Hall

doi:10.1117/12.873096

22 September 2010 Tuning the photonic band structure of lattices with cylindrical shell rod

Kaisar R. Khan, Trevor J. Hall

Proceedings Volume 7750, Photonics North 2010; 77502I (2010) https://doi.org/10.1117/12.873096
Event: Photonics North 2010, 2010, Niagara Falls, Canada

Abstract

The structuring of high quality complex optical materials yields remarkable flexibility in the fabrication of nanostructures. These artificial materials can be used to manipulate light. The photonic band structure of a honey comb lattice composed of hollow shell rod with GaAs wall has been investigated by using standard Eigen mode expansion (EME) techniques. The dispersion characteristics of the dielectric material determine the tunability of the band gap as well as appearance of surface plasmon polariton (SPP) mode. Dispersion less flat band was observed for the frequency region where dielectric constant changes its sign. We demonstrate band gap tuning by applying external perturbation such as temperature change or varying external magnetic field. Using our band solver we extend the existing methodology by adjusting the dimension of the lattice to observe the desired effects. In addition to that our method studies the lacking of structural integrity due to presence of absorption.

Citation Download Citation

Kaisar R. Khan and Trevor J. Hall "Tuning the photonic band structure of lattices with cylindrical shell rod", Proc. SPIE 7750, Photonics North 2010, 77502I (22 September 2010); https://doi.org/10.1117/12.873096

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