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Surface Plasmon Induced Polarization Filter Based on Au Wires and Liquid Crystal Infiltrated Photonic Crystal Fibers.
- Source :
-
Plasmonics . Apr2016, Vol. 11 Issue 2, p459-464. 6p. - Publication Year :
- 2016
-
Abstract
- The polarization filter characteristics of Au wires and liquid crystal infiltrated photonic crystal fibers are investigated by using the finite element method. The nematic liquid crystal of E7 being injected into cladding air holes is benefit to induce large birefringence under controllable electrical field. The simulation results show that the surface plasmon resonance is strongly inspired by core modes in y-polarized direction. Meanwhile, the coupling between core modes in x-polarized direction and surface plasmon polaritons modes is faint. The confinement losses can achieve 446 dB/cm in y-polarized direction and 0.8 dB/cm in x-polarized direction at wavelength of 1550 nm in one of our designed fiber. The effects of fiber structural parameters and temperature are investigated with a view of tuning and optimizing the confinement loss spectrum. Own to the large contrast of confinement losses in two orthogonal directions, the designed Au wires and liquid crystal infiltrated photonic crystal fibers promise candidate for tunable polarization filter devices. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15571955
- Volume :
- 11
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Plasmonics
- Publication Type :
- Academic Journal
- Accession number :
- 113778138
- Full Text :
- https://doi.org/10.1007/s11468-015-0070-8