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Development of Titanium-Based Transition-Edge Single-Photon Detector
Zhang, Wen1,2; Geng, Yue3,4; Wang, Zheng1,2; Zhong, Jia-Qiang1,2; Li, Pei-Zhan3,4; Miao, Wei1,2; Ren, Yuan1,2; Yao, Qi-Jun1,2; Wang, Jin-Feng5; Shi, Sheng-Cai1,2
2019-08-01
Source PublicationIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
ISSN1051-8223
Volume29Issue:5Pages:5
Corresponding AuthorZhang, Wen(wzhang@pmo.ac.cn)
AbstractSuperconducting transition-edge sensors (TESs), working as single-photon detectors with high quantum efficiency, low dark count rate, and photon number resolving capability, have been successfully used in quantum information experiments as well as astronomical transient object observations. Aiming to achieve high count rate, we are developing titanium-based superconducting TES single-photon detectors with a critical temperature of similar to 300 mK. Ti-based TESs with active area from 10 x 10 mu m to 40 x 40 mu m are first fabricated on silicon substrate coated with SiOx. The fabricated TES devices show a thermal conductance scaling with the active area and an effective time constant of similar to 4 mu s from pulsed laser diode illumination. In order to get high quantum efficiency, we further design and fabricate a 1550-nm optical cavity based on dielectric mirror and antireflection layer, and study its absorption with an IR spectrometer. Ti TES devices on the dielectric mirror are then fabricated and the superconducting transition is measured.
KeywordSuperconducting transition-edge sensor single-photon detector response time quantum efficiency optical cavity
DOI10.1109/TASC.2019.2906276
WOS KeywordSENSOR ; PERFORMANCE
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Physics, Applied
WOS IDWOS:000464919100001
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/24541
Collection中国科学院紫金山天文台
Corresponding AuthorZhang, Wen
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210034, Jiangsu, Peoples R China
2.Key Lab Radio Astron, Nanjing 210034, Jiangsu, Peoples R China
3.Chinese Acad Sci, Purple Mt Observ, Key Lab Radio Astron, Nanjing 210034, Jiangsu, Peoples R China
4.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
5.Chinese Acad Sci, Nanjing Inst Astron Opt & Technol, Natl Astron Observ, Nanjing 210042, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Wen,Geng, Yue,Wang, Zheng,et al. Development of Titanium-Based Transition-Edge Single-Photon Detector[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2019,29(5):5.
APA Zhang, Wen.,Geng, Yue.,Wang, Zheng.,Zhong, Jia-Qiang.,Li, Pei-Zhan.,...&Shi, Sheng-Cai.(2019).Development of Titanium-Based Transition-Edge Single-Photon Detector.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,29(5),5.
MLA Zhang, Wen,et al."Development of Titanium-Based Transition-Edge Single-Photon Detector".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 29.5(2019):5.
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