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A Computationally Efficient Method for Simulating Metal-Nanowire Dipole Antennas at Infrared and Longer Visible Wavelengths

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5 Author(s)
Pantoja, M.F. ; Dept. of Electromagnetismo y Fis. de la Materia, Univ. de Granada, Granada, Spain ; Bray, M.G. ; Werner, D.H. ; Werner, P.L.
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This paper presents a numerically efficient approach for simulating nanowires at infrared and long optical wavelengths. A computationally efficient circuit-equivalent modeling approach based on the electric-field integral-equation (EFIE) formulation is employed to simulate the highly dispersive behavior of nanowires at short wavelengths. The proposed approach can be used both for frequency-domain and for time-domain EFIE formulations. In comparison with widely used full-wave solutions achieved through the finite-difference time-domain method, the circuit-based EFIE formulation results in a sharp reduction of the computational resources while retaining high accuracy.

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Nanotechnology, IEEE Transactions on  (Volume:11 ,  Issue: 2 )