R. Su, Y. Zhang, X. Tu, X. Jia, L. Kang, B. Jin, W. Xu, J. Chen, P. Wu
{"title":"基于热、微波和太赫兹偏置超导HEBs的太赫兹直接探测器","authors":"R. Su, Y. Zhang, X. Tu, X. Jia, L. Kang, B. Jin, W. Xu, J. Chen, P. Wu","doi":"10.1109/IRMMW-THZ.2018.8509983","DOIUrl":null,"url":null,"abstract":"Terahertz (THz) direct detectors based on superconducting niobium nitride (NbN) hot electron bolometers (HEBs) with thermal, microwave (MW) and THz biasing have been studied at 0.65 THz and 4.2 K in detail. The current responsivity and noise equivalent power (NEP) have been measured and compared respectively. The detectors with the MW and THz biasing have about one order higher current responsivity than that of the thermal one. With the MW biasing, an NEP at the order of $\\mathrm{pW}/\\surd\\mathrm{Hz}$ is obtained by choosing the MW frequency and power appropriately.","PeriodicalId":6653,"journal":{"name":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","volume":"8 1","pages":"1-2"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Terahertz (THz) Direct Detectors based on Superconducting HEBs with Thermal, Microwave and THz Biasing\",\"authors\":\"R. Su, Y. Zhang, X. Tu, X. Jia, L. Kang, B. Jin, W. Xu, J. Chen, P. Wu\",\"doi\":\"10.1109/IRMMW-THZ.2018.8509983\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Terahertz (THz) direct detectors based on superconducting niobium nitride (NbN) hot electron bolometers (HEBs) with thermal, microwave (MW) and THz biasing have been studied at 0.65 THz and 4.2 K in detail. The current responsivity and noise equivalent power (NEP) have been measured and compared respectively. The detectors with the MW and THz biasing have about one order higher current responsivity than that of the thermal one. With the MW biasing, an NEP at the order of $\\\\mathrm{pW}/\\\\surd\\\\mathrm{Hz}$ is obtained by choosing the MW frequency and power appropriately.\",\"PeriodicalId\":6653,\"journal\":{\"name\":\"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"volume\":\"8 1\",\"pages\":\"1-2\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IRMMW-THZ.2018.8509983\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IRMMW-THZ.2018.8509983","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Terahertz (THz) Direct Detectors based on Superconducting HEBs with Thermal, Microwave and THz Biasing
Terahertz (THz) direct detectors based on superconducting niobium nitride (NbN) hot electron bolometers (HEBs) with thermal, microwave (MW) and THz biasing have been studied at 0.65 THz and 4.2 K in detail. The current responsivity and noise equivalent power (NEP) have been measured and compared respectively. The detectors with the MW and THz biasing have about one order higher current responsivity than that of the thermal one. With the MW biasing, an NEP at the order of $\mathrm{pW}/\surd\mathrm{Hz}$ is obtained by choosing the MW frequency and power appropriately.
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