Optimal design of yagi-uda nanoantennas based on elliptical shaped elements

Fatma E. Helmy; Mohamed Hussein; Mohamed Farhat O. Hameed; Ahmed Shaker; M. El-Adawy; S. A. Obayya

doi:10.1117/12.2306259

4 May 2018 Optimal design of yagi-uda nanoantennas based on elliptical shaped elements

Fatma E. Helmy, Mohamed Hussein, Mohamed Farhat O. Hameed, Ahmed Shaker, M. El-Adawy, S. A. Obayya

Proceedings Volume 10672, Nanophotonics VII; 106722G (2018) https://doi.org/10.1117/12.2306259
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

In this paper, new design of Yagi-Uda nano-antenna (NA) based on ellipsoid shape is introduced and numerically analyzed using 3-D finite difference time domain method (3-D FDTD) via Lumerical software package. The NA parameters are optimized using the particle swarm optimization (PSO) algorithm to achieve high directivity at a wavelength of 500 nm for wireless point-to-point applications. To illustrate the performance of the proposed antenna, different radiation parameters such as radiation pattern, directivity, and radiation efficiency have been studied. The optimized ellipsoid nano-antenna shows a directivity of 22.36 which is enhanced by 86.3 % relative to the conventional spherical counterpart. Moreover, the fabrication tolerance of the reported design is studied to ensure the accuracy of the introduced NA parameters to the fabrications errors.

Citation Download Citation

Fatma E. Helmy, Mohamed Hussein, Mohamed Farhat O. Hameed, Ahmed Shaker, M. El-Adawy, and S. A. Obayya "Optimal design of yagi-uda nanoantennas based on elliptical shaped elements", Proc. SPIE 10672, Nanophotonics VII, 106722G (4 May 2018); https://doi.org/10.1117/12.2306259

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