| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 9, 2014
|
|
|---|---|---|
| Article Number | 14006 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.2971/jeos.2014.14006 | |
| Published online | 25 January 2014 | |
Regular papers
Observation of resonant states in negative refractive photonic crystals
1
CNR-IMM-Unità di Napoli, Via P. Castellino 111, 80131 Napoli, Italy
2
CNR-IBP, Via P. Castellino 111, 80131 Napoli, Italy
3
Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, USA
Received:
29
October
2013
Revised:
18
December
2013
In this paper, experimental evidences about the resonance phenomena in a negative 2D photonic crystal are shown. Localized plasmon-like modes and guided mode resonances are detected in the reflectivity spectrum of a photonic crystal slab irradiated with out-of-plane incident radiation. The strong confinement of the radiation, in addition to the field enhancement, make photonic crystals a very appealing alternative to plasmonic substrates, avoiding the limits of absorption losses in metals.
Key words: Negative index / guided mode resonance / surface modes / photonic crystals
© The Author(s) 2014. All rights reserved.
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