Abstract
The design and development of a multiband ceramic material-based optical antenna are discussed. A square-shaped aperture is utilized to excite the silicon-based dielectric resonator. This type of excitation system provides the capability to create a triple hybrid mode (HEM11δ, HEM12δ, and HEM11δ + 2) inside the cylindrical-shaped ceramic material. Due to this feature, the proposed aerial is operating over diverse frequency bands, i.e., 117.5 to 140 THz, 158 to 165.5 THz, and 175.2 to 190.5 THz, respectively. Stable radiation characteristics as well as the good value of gain (about 4.0 dBi) make the proposed nanoradiator applicable for hyperspectral imaging system (125 THz) and VLC for wireless LAN (160 / 180 THz).
Highlights
In the recent years, the main development in field of nanotechnology is the design and analysis of antennas in optical domain
Square shaped slot is utilized to excite the Nano cylindrical shaped ceramic material. Because of such type of feed design, three hybrid mode patterns are excited inside the cylindrical ceramic i.e. HEM11δ, HEM12δ and HEM11δ+2
The maximum antenna gain is about 4.0 dBi in all three frequency bands, which is quite large in the perspective of THz frequency
Summary
The main development in field of nanotechnology is the design and analysis of antennas in optical domain. It is the first time, when authors are proposed for multiband application in optical spectrum In this antenna design, square shaped slot is utilized to excite the Nano cylindrical shaped ceramic material. STRUCTURAL LAYOUT OF PROPOSED NANO ANTENNA Fig. 1 displays the structural layout of proposed aperture coupled ceramic based nanoantenna In this antenna design, cylindrical shaped silicon material is used as a ceramic.
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