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Proceedings Article

Suzuki phase in two-dimensional photonic crystals

[+] Author Affiliations
Jose Sanchez-Dehesa, Jorge Bravo-Abad

Univ. Autonoma de Madrid (Spain)

Felipe Ramos-Mendieta

Univ. de Sonora (Mexico)

Javier Marti, Alejandro Martinez, Andres Garcia

Univ. Politecnica de Valencia (Spain)

Proc. SPIE 4655, Photonic Bandgap Materials and Devices, 251 (April 26, 2002); doi:10.1117/12.463879
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From Conference Volume 4655

  • Photonic Bandgap Materials and Devices
  • Ali Adibi; Axel Scherer; Shawn-Yu Lin
  • San Jose, CA | January 18, 2002

abstract

When rows of cylinders are periodically removed from a hexagonal array of dielectric cylinders, a new two-dimensional (2D) photonic crystal (PC) arises. The new structure consists of a lattice of vacancies embedded in the initial hexagonal lattice. We called it Suzuki Phase because it remains similar structures discovered in the 60's by K. Suzuki studying alkali halides. A plane-wave algorithm as well as a 2D finite difference-time-domain method has been employed to study the photonic properties of this PC as a function of the filling fraction (f) in the case of high dielectric cylinders ((epsilon) equals 13.6) in air. For TM- modes, it is shown that in a certain range of f an isolated miniband appears in the gap of the initial hexagonal lattice. The miniband, which is created by the coupling of defect states, is described by a tight-binding formalism with two parameters. Also, the frequencies of the two possible vacancy defects in the SP have been obtained and their symmetry analyzed.

© (2002) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jose Sanchez-Dehesa ; Felipe Ramos-Mendieta ; Jorge Bravo-Abad ; Javier Marti ; Alejandro Martinez, et al.
"Suzuki phase in two-dimensional photonic crystals", Proc. SPIE 4655, Photonic Bandgap Materials and Devices, 251 (April 26, 2002); doi:10.1117/12.463879; http://dx.doi.org/10.1117/12.463879


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