Integrated Intelligent Electromagnetic Radiator Design for Future THz Communication: A Review

In order to solve the problem of traditional Chinese painting image color processing technology, meet the needs of digital museum construction, make up for the vacancy of color processing technology in traditional Chinese painting, and improve people’s understanding of traditional Chinese painting. Through the analysis of the experiment, the experimental equipment adopts Epson v940 scanner, the color depth is 24 bit true color, and the scanning accuracy is 1200dpi. The main simulation methods of Chinese painting are systematically and deeply studied, from which the characteristics of Chinese painting are analyzed. Through a large number of formula analysis, it is found that the application of computer image processing technology in Chinese painting is very successful, which promotes the development of the digital museum and improves people’s understanding and liking of Chinese painting.

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3 bit terahertz coder based on a graphene composite metasurface

Wang

Gong

et al. 2023

J. Opt. Soc. Am. B

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Terahertz (THz) frequency coders are indispensable components of broadband wireless communication systems of the future. However, the coding of THz wave at multiple frequencies is still a challenge. In this work, a 3 bit THz coder based on a graphene composite metasurface is proposed and simulated using a full-wave electromagnetic simulation software. The unit cell of the device consists of three graphene-embedded split-ring-resonators (SRRs), i.e., SRR1, SRR2, and SRR3. The device has three transmission peaks modulated by external voltages of V1, V2, and V3. The central frequency of the peak generated by SRR1 locates at 0.864 THz and its maximum modulation depth is 79.6%. The second peak generated by SRR2 locates at 1.161 THz and has a maximum modulation depth of 87%. The third peak at 1.541 THz is produced by SRR3 and has a maximum modulation depth of 85.3%. More importantly, the device can be used as a 3 bit coder, and the codes of 111, 110, 101, 011, 100, 010, 001, and 000 are successfully realized by controlling the voltages of V1, V2 and V3. The proposed device has potential applications in next-generation broadband wireless communications.

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Integrated Intelligent Electromagnetic Radiator Design for Future THz Communication: A Review

Cited by 5 publications

References 58 publications

A Programmable Terahertz Metasurface With Circuit-Coupled Meta-Elements in Silicon Chips: Creating Low-Cost, Large-Scale, Reconfigurable Terahertz Metasurfaces

A Programmable Terahertz Metasurface With Circuit-Coupled Meta-Elements in Silicon Chips: Creating Low-Cost, Large-Scale, Reconfigurable Terahertz Metasurfaces

Fusion Analysis of Chinese Painting Color Teaching and Intelligent Image Color Processing Technology

3 bit terahertz coder based on a graphene composite metasurface

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