Device, Circuit, and Module Fabrication

Efficiency of broadband terahertz rectennas based on self-switching nanodiodes

[+] Author Affiliations
Edgar Briones, Joel Briones

ITESO Jesuit University of Guadalajara, Department of Mathematics and Physics, Tlaquepaque, Mexico

Irving E. Cortes-Mestizo, Leticia I. Espinosa-Vega, Victor H. Mendez-Garcia

Universidad Autónoma de San Luis Potosí, CIACyT, San Luis Potosí, Mexico

Ravindranath Droopad

Texas State University, Ingram School of Engineering, San Marcos, Texas, United States

Heber Vilchis

Universidad de Ciencias y Artes de Chiapas, Centro de Investigación y Desarrollo Tecnológico en Energías Renovables, Tuxtla Gutiérrez, Mexico

J. Photon. Energy. 7(2), 025001 (Apr 27, 2017). doi:10.1117/1.JPE.7.025001
History: Received December 16, 2016; Accepted March 31, 2017
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Abstract.  The authors investigate the efficiency of a series of broadband rectennas designed to harvest the free-propagating electromagnetic energy at terahertz frequencies. We analyze by simulations the case of self-complementary square- and Archimedean-spiral antennas coupled to L-shaped self-switching diodes (L-SSDs). First, the geometry (i.e., the width and length of the channel) of the L-SSD was optimized to obtain a remarkable diode-like I–V response. Subsequently, the optimized L-SSD geometry was coupled to both types of spiral antennas and their characteristic impedance was studied. Finally, the energy conversion efficiency was evaluated for both rectenna architectures.

Figures in this Article
© 2017 Society of Photo-Optical Instrumentation Engineers

Topics

Antennas ; Diodes

Citation

Edgar Briones ; Irving E. Cortes-Mestizo ; Joel Briones ; Ravindranath Droopad ; Leticia I. Espinosa-Vega, et al.
"Efficiency of broadband terahertz rectennas based on self-switching nanodiodes", J. Photon. Energy. 7(2), 025001 (Apr 27, 2017). ; http://dx.doi.org/10.1117/1.JPE.7.025001


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