Experimental evidence of guided resonances in photonic crystals with aperiodically-ordered supercells

Details Experimental evidence of guided resonances in photonic crystals with aperiodically-ordered supercells Experimental evidence of guided resonances in photonic crystals with aperiodically-ordered supercells

2010-08-20

arxiv.org/abs/1008.3446v2

Physics

Optics

10 pages, 5 figures (minor revisions)

Scientific paper

We report on the first experimental evidence of guided resonances (GRs) in photonic crystal slabs based on aperiodically-ordered supercells. Using the Ammann-Beenker (quasiperiodic, 8-fold symmetric) tiling geometry, we present our study on the fabrication, experimental characterization, and full-wave numerical simulation of two representative structures (with different filling parameters) operating at near-infrared wavelengths (1300-1600 nm). Our results show a fairly good agreement between measurements and numerical predictions, and pave the way for the development of new strategies (based, e.g., on the lattice symmetry breaking) for GR engineering.

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