Article

Optical and Quantum Electronics

, Volume 39, Issue 10, pp 913-925

First online:

Spectral properties of liquid crystal photonic bandgap fibres with splay-aligned mesogens

  • Giovanni TartariniAffiliated withDipartimento di Elettronica, Informatica e Sistemistica, Universitá di Bologna Email author 
  • , Thomas Tanggaard AlkeskjoldAffiliated withCOM·DTU, Department of Communications, Optics and Materials, Technical University of Denmark
  • , Lara ScolariAffiliated withCOM·DTU, Department of Communications, Optics and Materials, Technical University of Denmark
  • , Anders BjarklevAffiliated withCOM·DTU, Department of Communications, Optics and Materials, Technical University of Denmark
  • , Paolo BassiAffiliated withDipartimento di Elettronica, Informatica e Sistemistica, Universitá di Bologna

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Abstract

Through a detailed electromagnetic analysis we investigate the characteristics of liquid crystal infiltrated photonic crystal Fibers guiding by the Photonic Bandgap effect. The analysis, carried out using the Finite Element Method and including also material dispersion effects, puts into evidence particular spectral features related to the so-called splay alignment of the molecules constituting the liquid crystal, the so called mesogens. Control of these features is of use in the design of new devices for sensing or telecommunication applications.

Keywords

Photonic crystal fibers Photonic bandgap Liquid crystals Anisotropic materials Finite element method Leaky modes