NSSC OpenIR
Optimization of terahertz monolithic integrated frequency multiplier based on trap-assisted physics model of THz Schottky barrier varactor
Alternative TitleWOS:000576882500001;20204209355322
Qi, Lu-Wei; Meng, Jin; Liu, Xiao-Yu; Weng, Yi; Liu, Zhi-Cheng; Zhang, De-Hai; Zhou, Jing-Tao; Jin, Zhi5
Source PublicationCHINESE PHYSICS B
2020
Volume29Issue:10Pages:104212
DOI10.1088/1674-1056/abab74
ISSN1674-1056
Language英语
KeywordC-Vcharacteristic physics-based model terahertz monolithic integrated circuit (TMIC) Schottky barrier varactor CURRENT-VOLTAGE CHARACTERISTICS MONTE-CARLO DIODE CAPACITANCE DESIGN
AbstractThe optimization of high power terahertz monolithic integrated circuit (TMIC) is systemically studied based on the physical model of the Schottky barrier varactor (SBV) with interface defects and tunneling effect. An ultra-thin dielectric layer is added to describe the extra tunneling effect and the damping of thermionic emission current induced by the interface defects. Power consumption of the dielectric layer results in the decrease of capacitance modulation ration (C-max/C-min), and thus leads to poor nonlinearC-Vcharacteristics. The proposed Schottky metal-brim (SMB) terminal structure could improve the capacitance modulation ration by reducing the influence of the interface charge and eliminating the fringing capacitance effect. Finally, a 215 GHz tripler TMIC is fabricated based on the SMB terminal structure. The output power is above 5 mW at 210-218 GHz and the maximum could exceed 10 mW at 216 GHz, which could be widely used in terahertz imaging, radiometers, and so on. This paper also provides theoretical support for the SMB structure to optimize the TMIC performance.
Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7698
Collection中国科学院国家空间科学中心
Affiliation1.[Qi, Lu-Wei
2.Liu, Xiao-Yu
3.Weng, Yi
4.Liu, Zhi-Cheng
5.Zhou, Jing-Tao
6.Chinese Acad Sci, Inst Microelect, Beijing 100029, Peoples R China
7.[Qi, Lu-Wei
8.Meng, Jin
9.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China
10.Univ Chinese Acad Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Qi, Lu-Wei,Meng, Jin,Liu, Xiao-Yu,et al. Optimization of terahertz monolithic integrated frequency multiplier based on trap-assisted physics model of THz Schottky barrier varactor[J]. CHINESE PHYSICS B,2020,29(10):104212.
APA Qi, Lu-Wei.,Meng, Jin.,Liu, Xiao-Yu.,Weng, Yi.,Liu, Zhi-Cheng.,...&Jin, Zhi.(2020).Optimization of terahertz monolithic integrated frequency multiplier based on trap-assisted physics model of THz Schottky barrier varactor.CHINESE PHYSICS B,29(10),104212.
MLA Qi, Lu-Wei,et al."Optimization of terahertz monolithic integrated frequency multiplier based on trap-assisted physics model of THz Schottky barrier varactor".CHINESE PHYSICS B 29.10(2020):104212.
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