All-dielectric rod antenna array for terahertz communications
作者： Withawat Withayachumnankul , Ryoumei Yamada , Masayuki Fujita , Tadao Nagatsuma
DOI: 10.1063/1.5023787
关键词:
摘要: The terahertz band holds a potential for point-to-point short-range wireless communications at sub-terabit speed. To realize this potential, supporting antennas must have wide bandwidth to sustain high data rate and gain low dissipation compensate the free space path loss that scales quadratically with frequency. Here we propose an all-dielectric rod antenna array radiation efficiency, gain, bandwidth. proposed is integral low-loss photonic crystal waveguide platform, intrinsic silicon only constituent material both feed maintain simplicity, compactness, efficiency. Effective medium theory plays key role in performance integrability. An experimental validation continuous-wave electronic systems confirms minimum of 20 dBi across 315–390 GHz. A demonstration shows pair such identical can handle bit-error-free transmission speed up 10 Gbit/s. Further development will build critical components future communication systems.
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