Two-element dielectric antenna serially excited by optical wavelength multiplexing

A single pulsed laser beam containing multiple wavelengths (wavelength multiplexing) is employed to activate two semiconductor antennas in series. The dielectric nature of the semiconductors permits serial cascading of the antenna elements. Recently observed nonlinear characteristics of the radiated...

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Veröffentlicht in:Optics letters 1999-02, Vol.24 (4), p.235-237
Hauptverfasser: Crisman, E E, Derov, J S, Carr, P H, Mittleman, S D, Liu, D D
Format: Artikel
Sprache:eng
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Zusammenfassung:A single pulsed laser beam containing multiple wavelengths (wavelength multiplexing) is employed to activate two semiconductor antennas in series. The dielectric nature of the semiconductors permits serial cascading of the antenna elements. Recently observed nonlinear characteristics of the radiated field as a function of the free carrier accelerating (bias) voltage are used to minimize the small interactions between elements. We demonstrate that the temporal electromagnetic radiation distribution of two serial antennas is sensitive to the three-dimensional pattern of the optical excitation source. One can, in turn, vary this distribution continuously by optical means to reconfigure the array.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.24.000235