Please use this identifier to cite or link to this item:
Title: Aluminum nanotripods for light-matter coupling robust to nanoemitter orientation
Authors: Pacheco-Peña, Víctor
Fernández-Domínguez, Antonio I.
Luo, Yu
Beruete, Miguel
Navarro-Cía, Miguel
Keywords: Conformal Transformation
Issue Date: 2017
Source: Pacheco-Peña, V., Fernández-Domínguez, A. I., Luo, Y., Beruete, M., & Navarro-Cía, M. (2017). Aluminum Nanotripods for Light-Matter Coupling Robust to Nanoemitter Orientation. Laser & Photonics Reviews, 11(5), 1700051-.
Series/Report no.: Laser & Photonics Reviews
Abstract: Nanoantennas enable the concentration and manipulation of light at the (sub‐)nanoscale. This ability offers novel strategies to strengthen light‐matter interactions in a controlled fashion. However, most nanoantennas are highly sensitive to light polarization and emitter orientation, which is disadvantageous for many applications (e.g., Raman and fluorescence spectroscopy depend strongly on molecular symmetry and orientation, as well as on the local optical field gradient). It is also unfortunate that analytical descriptions, essential to bridge experimental observations to knowledge and future design guidelines, have lagged behind. Here, resorting to conformal transformation, aluminum nanotripods excited by a nanoemitter of arbitrary orientation are studied analytically. Our results, corroborated with full‐wave simulations, show that aluminum nanotripods are robust not only to emitter orientation, but also to its position. Hence, this work exemplifies the effectiveness and efficiency of transformation optics to analytically describe and optimize light‐matter interaction in complex plasmonic nanoantennas.
ISSN: 1863-8880
DOI: 10.1002/lpor.201700051
Rights: © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:EEE Journal Articles

Google ScholarTM




Items in DR-NTU are protected by copyright, with all rights reserved, unless otherwise indicated.