TITLE

Diffractionless propagation of light in a low-index photonic-crystal film

AUTHOR(S)
Iliew, R.; Etrich, C.; Peschel, U.; Lederer, F.; Augustin, M.; Fuchs, H.-J.; Schelle, D.; Kley, E.-B.; Nolte, S.; Tünnermann, A.
PUB. DATE
December 2004
SOURCE
Applied Physics Letters;12/13/2004, Vol. 85 Issue 24, p5854
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We experimentally demonstrate diffractionless propagation of light over 12 diffraction lengths in a two-dimensional photonic crystal film made of silicon nitride (SiNx). We show that self-guided beams may propagate for transverse electric (TE) and transverse magnetic (TM) polarized light but at slightly different frequencies. Three-dimensional calculations are used to optimize the structure for low loss and narrow beam operation in this low-index photonic crystals. Experimental and theoretical results are in good agreement.
ACCESSION #
15331888

 

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