| Issue |
Europhys. Lett.
Volume 56, Number 1, October 2001
|
|
|---|---|---|
| Page(s) | 41 - 46 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics and fluid mechanics | |
| DOI | https://doi.org/10.1209/epl/i2001-00485-9 | |
| Published online | 01 December 2003 | |
Photonic band gaps and localization in two-dimensional metallic quasicrystals
Department of Physics, Bilkent University - Bilkent, 06533 Ankara, Turkey
Received:
5
January
2001
Accepted:
12
July
2001
We report on experimental observation of photonic stop bands in two-dimensional metallic Penrose lattice. We investigated the defect characteristics, and observed strongly localized cavity modes below the plasma frequency. The absence of the translational symmetry allowed to change the defect frequencies and localization properties of the defect modes. Propagation of photons along highly localized coupled-cavity modes was experimentally demonstrated in quasiperiodic metallic structures.
PACS: 42.70.Qs – Photonic bandgap materials / 61.44.Br – Quasicrystals / 71.15.Ap – Basis sets (plane-wave, APS, LCAO, etc.) and related methodology (scattering methods, ASA, linearized methods)
© EDP Sciences, 2001
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