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A 220-to 299-GHz CMOS Terahertz Detector
Liu ZY(刘朝阳)1,2,3,4; Qi F(祁峰)1,2,3,4; Wang YL(汪业龙)1,2,3,4; Liu PX(刘鹏翔)1,2,3,4; Li WF(李惟帆)1,2,3,4
Department光电信息技术研究室
Source PublicationJOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES
ISSN1866-6892
2019
Volume40Issue:6Pages:606-619
Indexed BySCI ; EI
EI Accession number20191906867640
WOS IDWOS:000469465400002
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China (NSFC) ; National Key Research and Development Program of China ; Hundred Talent Program of Chinese Academy of Sciences
KeywordCMOS Terahertz detector Terahertz imaging Square loop antenna
AbstractThis paper proposes a terahertz (THz) detector in a 180-nm standard CMOS process. The detector consists of a square loop antenna and an NMOS transistor. The antenna has two feed ports. One is connected to the source of the transistor and the other is grounded to provide the source a dc ground. To improve the power transfer efficiency between the antenna and the transistor, impedance matching between them is needed. It is concluded that in order to increase the voltage responsivity of the detector, impedance matching should be achieved by changing the impedance of the antenna rather than by changing the impedance of the transistor. The parasitic capacitance and inductance of the gate power supply line will affect the antenna-transistor impedance matching. An open microstrip transmission line connected to the gate is designed to eliminate this influence. Measurement results show that the detector can detect THz radiation in the frequency range of 220 to 299 GHz. At 244 GHz, the detector achieves a best voltage responsivity of 2497 V/W and a noise equivalent power (NEP) of 357 pW/Hz(1/2).
Language英语
WOS SubjectEngineering, Electrical & Electronic ; Optics ; Physics, Applied
WOS KeywordTHZ ; RADIATION
WOS Research AreaEngineering ; Optics ; Physics
Funding ProjectNational Natural Science Foundation of China (NSFC)[61804160] ; National Natural Science Foundation of China (NSFC)[61605235] ; National Natural Science Foundation of China (NSFC)[61801467] ; National Key Research and Development Program of China[2016YFC0102900] ; Hundred Talent Program of Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC)[61804160] ; National Natural Science Foundation of China (NSFC)[61605235] ; National Natural Science Foundation of China (NSFC)[61801467] ; National Key Research and Development Program of China[2016YFC0102900] ; Hundred Talent Program of Chinese Academy of Sciences
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/24723
Collection光电信息技术研究室
Corresponding AuthorQi F(祁峰)
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110016, China
3.Key Laboratory of Opto-Electronic Information Processing, Chinese Academy of Sciences, Shenyang 110016, China
4.The Key Lab of Image Understanding and Computer Vision, Liaoning Province, Shenyang 110016, China
Recommended Citation
GB/T 7714
Liu ZY,Qi F,Wang YL,et al. A 220-to 299-GHz CMOS Terahertz Detector[J]. JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES,2019,40(6):606-619.
APA Liu ZY,Qi F,Wang YL,Liu PX,&Li WF.(2019).A 220-to 299-GHz CMOS Terahertz Detector.JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES,40(6),606-619.
MLA Liu ZY,et al."A 220-to 299-GHz CMOS Terahertz Detector".JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES 40.6(2019):606-619.
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