Title :
Improved IF gain bandwidth for terahertz mixers based on superconducting hot electron bolometers
Author :
Zhang, Haijun ; Jiang, S.L. ; Jia, X.Q. ; Jin, B.B. ; Kang, L. ; Xu, W.W. ; Chen, Jiann-Jong ; Wu, P.H.
Author_Institution :
Res. Inst. of Supercond. Electron., Nanjing Univ., Nanjing, China
Abstract :
Intermediate frequency (IF) gain bandwidth (GBW) of terahertz (THz) mixers based on superconducting niobium nitride (NbN) hot electron bolometers (HEBs) has been improved. The IF GBW has been measured by 2 different methods and same values up to 7 GHz have been obtained.
Keywords :
bolometers; HEB; intermediate frequency gain bandwidth; superconducting hot electron bolometers; superconducting niobium nitride; terahertz mixers; Bandwidth; Bolometers; Extraterrestrial measurements; Mixers; Superconducting device noise; Superconducting devices; Superconducting thin films;
Conference_Titel :
Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on
Conference_Location :
Tucson, AZ
DOI :
10.1109/IRMMW-THz.2014.6956517