Efficient and wideband horn nanoantenna

Ramaccia, Davide; Bilotti, Filiberto; Toscano, Alessandro; Massaro, Andrea

doi:10.1364/ol.36.001743

Cited by 34 publications

(25 citation statements)

References 22 publications

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“…Different nano-horn antennas made from nano-materials operating at THz range are investigated in [23,24]. A linearly polarized pyramidal nano-horn antenna is used to feed the perforated nanoantenna reflectarray.…”

Section: Nano-horn Antennamentioning

confidence: 99%

Perforated Nanoantenna Reflectarray

Zainud-Deen¹,

Malhat²,

Gaber³

et al. 2013

PIER M

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Abstract-This paper presents a design of perforated nanoantenna reflectarray. The use of metallic nanostructures made of Silver and/or Gold at appropriate wavelength cause fascinating unusual electromagnetic effects. Reflectarray consists of an array of unit cell made from Silver is investigated. The effect of the number of perforated holes in the unit cell configurations is investigated for proper reflection coefficient phase compensation. A linearly polarized pyramidal nanohorn is used to feed the perforated nanoantenna reflectarray. The radiation characteristics of 9 × 9 perforated nanoantenna reflectarray are illustrated. A high gain of 20.5 dB is obtained at the designed frequency of 735 THz. A comparison between solid Silver sheet with no perforation holes and the proposed perforated reflectarray is explained.

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Section: Nano-horn Antennamentioning

confidence: 99%

Perforated Nanoantenna Reflectarray

Zainud-Deen¹,

Malhat²,

Gaber³

et al. 2013

PIER M

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“…The horn nano-antenna proposed in [2] has been obtained by flaring the long and the short side of a metal-insulator-metal optical waveguide in two consecutive stages (H-plane first and, then, E-plane). Although this approach leads to reasonable gain levels (around 11 dBi, see Fig.…”

Section: Pyramidal Horn Nano-concentratormentioning

confidence: 99%

“…In a recent work [2], an efficient and wideband silver horn nano-antenna has been proposed. The reported broadband behavior and the direct coupling between the antenna and the nano-transmission line feeding it make this component an interesting and promising solution for PV systems.…”

Section: Introductionmentioning

confidence: 99%

“…In this contribution, we propose a variation of the antenna presented in [2], consisting of a silver pyramidal horn for light concentration on PV solar cells. The structure of the paper is as follows.…”

Section: Introductionmentioning

confidence: 99%

“…The structure of the paper is as follows. In Section II, we present the design of the pyramidal horn nano-concentrator and numerically demonstrate that such a solution leads to improved gain levels compared to the antenna in [2], keeping the same length and aperture dimensions. In Section III, we report the numerical results showing the ability of the proposed antenna to concentrate effectively the electromagnetic energy of an impinging planewave and guide it towards the photodiode, located at the end of the optical waveguide.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Boosting PV cell performances by using horn nano-concentrators

Ramaccia

Bilotti

Toscano

2012

Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation

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Electric power generated by a photovoltaic (PV) converter, such as a solar cell or a photodiode, depends primarily on the illumination level on the active surface. Light concentrators allow increasing the illumination level, boosting the conversion efficiency. In this contribution, we investigate a broadband optical nano-concentrator consisting of a pyramidal horn nano-antenna. First, we present the nano-antenna performances in a transmitting stand-alone configuration. Then, we study the antenna in the receiving mode when it is excited by a normal impinging plane-wave and acts as a nano-concentrator coupled to a germanium nano-photodiode. A multi-physics analysis allows us estimating the temperature rise of the photodiode caused by the concentration of the light energy on its active surface.

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A circularly polarized hybrid plasmonic nanoantenna

Mohanta

Meher

Behera

et al. 2019

Micro & Optical Tech Letters

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In this article, a waveguide fed circularly polarized hybrid plasmonic nanoantenna (CP‐HPNA) is proposed for nanophotonic applications, at 1550 nm wavelength telecommunication window. Here, the concept of hybrid plasmonic waveguide (HPWG) in conjunction with transmission line model is well incorporated in terms of electromagnetics. The proposed antenna geometry is an L‐hexagonal shaped patch fed by HPWG. The FDTD computational technique through CST microwave studio is used for design, simulation and characterization of CP‐HPNA. The proposed antenna exhibits an impedance bandwidth of 4.07 THz (S11 ≤ −10 dB) and prior to that, complete circular polarization is achieved, with an axial bandwidth of 5.49 THz (AR ≤ 3 dB). It shows broadside pattern with realized gain of 4.64 dB, directivity of 8.10 dBi and antenna efficiency of 63.98% at 1550 nm wavelength. With observed outcomes, the proposed antenna model finds its way‐out for many nanophotonic applications, ranging from the fields of optical sensing to lidars and in wireless optical communications from interconnects to intraconnects of chips. In correspondence to its utility, this research article, can significantly be treated as a link for visualizing the concepts of optical through classical electromagnetism.

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Efficient and wideband horn nanoantenna

Cited by 34 publications

References 22 publications

Perforated Nanoantenna Reflectarray

Perforated Nanoantenna Reflectarray

Boosting PV cell performances by using horn nano-concentrators

A circularly polarized hybrid plasmonic nanoantenna

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