Wireless Personal Communications

, Volume 107, Issue 1, pp 159–168 | Cite as

Energy Harvesting Enhancement of Nanoantenna Coupled to Gemometric Diode Using Terhertz Transmitarray

  • Saber Helmy Zainud-Deen
  • Hosam Ali El-Araby
  • Hend Abd El-Azem MalhatEmail author


This paper introduces the use of rhombus shaped dipole nanoantenna coupled to geometric diode in energy harvesting at 19.4 THz. An arc-shaped geometric diode is placed in the gap between the dipole arms. The diode I–V characteristics are investigated using the Monte Carlo simulation. Two approaches for enhancing the received voltage of nanoantenna energy harvesting at 19.4 THz are investigated. In the first approach, a terahertz transparent transmitarray is used to focus the electromagnetic waves on the surface of the nanoantenna coupled to the geometric diode. The received voltage is increased from 16.5 μV for single nanoantenna to 97.6 μV for the transmitarray coupled to the nanoantenna. In the second approach, Yagi nanoantenna arrangements are used to enhance the directivity of the single element and is coupled to the transmitarray.


Graphene Rectenna Geometric diode Nanoantenna Transmitarray Energy harvesting 



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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Faculty of Engineering and TechnologyBadr University in CairoCairoEgypt
  2. 2.Hydro-Power Plants Executive AuthorityMinistry of Electricity and EnergyCairoEgypt
  3. 3.Faculty of Electronic EngineeringMenoufia UniversityMenoufEgypt

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