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Scattering performance of plasmonic nanorod antennas in randomly tilted disordered and Fibonacci configurations

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2 Author(s)
Rashidi, A. ; Computational EM and Photonics Lab, ECE Department, Northeastern University, Boston, Massachusetts 02115, USA ; Mosallaei, H.

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In this letter, we formulate and investigate the optical performance of finite arrays of plasmonic nanorod antennas in randomly tilted disordered and Fibonacci configurations. To efficiently model the scattering performance of a nanorod, we take advantage of characteristic basis function method in conjunction with macro basis functions. We study how random rotations of the nanorods, as a disorder, may affect their electromagnetic response. Also, the impact of quasi-periodic order on the performance of the array in the form of two-dimensional Fibonacci quasi-lattice comprising of plasmonic nanorods with two different lengths is studied.

Published in:

Applied Physics Letters  (Volume:101 ,  Issue: 6 )