2018
DOI: 10.1142/s0218126619500051
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Comparative Efficiency and Power Assessment of Optical Photoconductive Material-Based Terahertz Sources for Wireless Communication Systems

Abstract: Terahertz band has recently attracted the attention of the communication society due to its huge bandwidth and very high-speed wireless communications capability. It has been utilized in a variety of disciplines including physics, biology and astronomy for years; and the main concerns have always been obtaining highly efficient and high-power terahertz sources. Today, these problems are still the most important issues in establishing an operable wireless terahertz communication link. In this paper, recent stud… Show more

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Cited by 4 publications
(3 citation statements)
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“…While substantial research has been concentrated on integrated circular-polarization detectors in the visible-to-mid-infrared range, the THz band remains relatively underexplored. The THz band, noted for its low photon energy [24,25], robust penetration capabilities [26,27], expansive communication bandwidth [28,29], and superior spatial and temporal resolution [30][31][32] compared to microwaves, holds significant potential for advancing imaging, spectroscopy, and wireless communication [33]. Thus, the development of miniaturized THz circular-polarization detectors, which addresses the challenges posed by bulky non-integrated detectors and the scarcity of suitable polarization optics in the THz range, is not only of great significance but also imminent.…”
Section: Introductionmentioning
confidence: 99%
“…While substantial research has been concentrated on integrated circular-polarization detectors in the visible-to-mid-infrared range, the THz band remains relatively underexplored. The THz band, noted for its low photon energy [24,25], robust penetration capabilities [26,27], expansive communication bandwidth [28,29], and superior spatial and temporal resolution [30][31][32] compared to microwaves, holds significant potential for advancing imaging, spectroscopy, and wireless communication [33]. Thus, the development of miniaturized THz circular-polarization detectors, which addresses the challenges posed by bulky non-integrated detectors and the scarcity of suitable polarization optics in the THz range, is not only of great significance but also imminent.…”
Section: Introductionmentioning
confidence: 99%
“…Due to recent progress in the development of carbon nanotubes and graphene, the nano-communications have wide application area in biomedical, intra-body communications, military, vehicular networks and nano-satellite applications. [1][2][3][4] The nano-communications ¯eld has been separated into two sub-areas 5 as: I. Electromagnetic nano-communications, II. Molecular communications.…”
Section: Introductionmentioning
confidence: 99%
“…The operating frequency located at this terahertz gap is too high for solid-state electronics, while being too low for optical circuits. 19 (2) The scaled CMOS transistor model in THz frequency range is not completely accurate, which makes the design of the CMOS signal generator more di±cult. Meanwhile, the e®ective transistor transconductance becomes lower and lower as the operating frequency of the ICs increases.…”
Section: Introductionmentioning
confidence: 99%