Plasmonic spiderweb nanoantenna surface for broadband hotspot generation

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Tok, Rüştü Umut and Şendur, Kürşat (2014) Plasmonic spiderweb nanoantenna surface for broadband hotspot generation. Optics Letters, 39 (24). pp. 6977-6980. ISSN 0146-9592 (Print) 1539-4794 (Online)

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Abstract

In this study, we demonstrate a general framework for obtaining a plasmonic nanoantenna surface with a broadband polarization independent response. The plasmonic spiderweb nanoantenna surface is composed of unit cells, which form multiple resonance paths due to patterning of the metallic conductor such that electrons can find multiple ways to oscillate between the poles of the conductor. The tailoring of the conductor paths and shapes of the unit cells' patterns results in a broadband spectral response. At various resonance frequencies, the electrons oscillate along different paths between the poles of the antenna, generating broadband hot spots around those poles.
Item Type: Article
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Mechatronics
Faculty of Engineering and Natural Sciences
Depositing User: Kürşat Şendur
Date Deposited: 12 Dec 2014 12:57
Last Modified: 02 Aug 2019 15:44
URI: https://research.sabanciuniv.edu/id/eprint/26360

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