Multiple scattering of light in three-dimensional photonic quasicrystals

Year: 2009

Authors: Ledermann A., Wiersma D., Wegener M., von Freymann G.

Autors Affiliation: Forschungszentrum Karlsruhe Helmholtz Gemeinschaf, Inst Nanotechnol, D-76021 Karlsruhe, Germany;
Univ Karlsruhe TH, Inst Angew Phys, D-76131 Karlsruhe, Germany;
European Lab Nonlinear Spect LENS, I-50019 Florence, Italy;
INFM BEC, I-50019 Florence, Italy

Abstract: Recent experiments on three-dimensional icosahedral dielectric photonic quasicrystals have shown several unexpected features: transmitted femtosecond pulses developed a trailing \”diffusive\” exponential tail and the sum of (zeroth-order) transmittance and reflectance was well below unity. These experimental findings have previously been ascribed to sample imperfections. Here, we analyze these findings by using 3D periodic approximants of the ideal photonic quasicrystals. We show that the experimental observations can be explained in terms of multiple scattering of light within these structures, i.e., in terms of intrinsic rather than purely extrinsic quasicrystal properties. (C) 2008 Optical Society of America

Journal/Review: OPTICS EXPRESS

Volume: 17 (3)      Pages from: 1844  to: 1853

More Information: The research of G. v. F. is supported through a DFG Emmy-Noether fellowship (DFG-Fr 1671/4-3). We acknowledge further support provided by the Deutsche Forschungsgemeinschaft (DFG) and the State of Baden-Wurttemberg through the DFG-Center for Functional Nanostructures (CFN) within subproject A1.4 and the European Union (EU) through contract number RII3-CT-2003-506350 (LENS) and NoE Phoremost (511616). The PhD education of A. L. is supported by the Karlsruhe School of Optics & Photonics (KSOP).
KeyWords: Electromagnetic pulse; Multiple scattering, Approximants; Exponential tail; Photonic quasicrystal; Transmittance and reflectances, Quasicrystals
DOI: 10.1364/OE.17.001844

Citations: 12
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