In this paper, the optimum behaviour of optical nanoantennas, in terms of impedance, directivity, available power, and field enhancement, at a resonance frequency of about 350 THz, will be shown. Optimum configurations are obtained by varying nanoantennas geometry in order to maximize the available power, enhancing the electric field in gap proximity and so the absorptivity. Moreover, the simulation results for aluminum nanoantennas on a three-layers substrate, will be reported, and a trade-off performance comparison among different antennas will be discussed. This study can guide both the engineering and the fabrication of plasmonic nanoantennas.
Raimondi G., Badalamenti R., Livreri P. (2019). Trade-off Performance of Optical Nanoantennas for Solar Energy Harvesting Applications. In 2019 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference, IMOC 2019 (pp. 1-3). Institute of Electrical and Electronics Engineers Inc. [10.1109/IMOC43827.2019.9317426].
Trade-off Performance of Optical Nanoantennas for Solar Energy Harvesting Applications
Livreri P.
2019-01-01
Abstract
In this paper, the optimum behaviour of optical nanoantennas, in terms of impedance, directivity, available power, and field enhancement, at a resonance frequency of about 350 THz, will be shown. Optimum configurations are obtained by varying nanoantennas geometry in order to maximize the available power, enhancing the electric field in gap proximity and so the absorptivity. Moreover, the simulation results for aluminum nanoantennas on a three-layers substrate, will be reported, and a trade-off performance comparison among different antennas will be discussed. This study can guide both the engineering and the fabrication of plasmonic nanoantennas.
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