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

Armando Ricciardi, Marco Pisco, Ilaria Gallina, Stefania Campopiano, Vincenzo Galdi, Liam O'Faolain, Thomas F. Krauss, Andrea Cusano

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

We report on the first experimental evidence of guided resonances (GRs) in photonic crystal slabs based on aperiodically ordered supercells. Using Ammann-Beenker (quasiperiodic, eightfold 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-IR 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 on, e.g., the lattice symmetry breaking) for GR engineering. (C) 2010 Optical Society of America

Original languageEnglish
Pages (from-to)3946-3948
Number of pages3
JournalOptics Letters
Volume35
Issue number23
DOIs
Publication statusPublished - 1 Dec 2010

Keywords

  • Quasi-crystals
  • Slabs

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