Title :
Gain banwidth for superconducting hot electron bolometers at terahertz waveband
Author :
Jiang, Y. ; Jin, B.B. ; Kang, L. ; Xu, W.W. ; Chen, J. ; Wu, P.H.
Author_Institution :
Res. Inst. of Supercond. Electron., Nanjing Univ., Nanjing, China
Abstract :
Intermediate frequency (IF) gain bandwidth (GBW) of terahertz (THz) heterodyne detectors based on superconducting niobium nitride (NbN) hot electron bolometers (HEBs) has been studied in details. Two different methods, resulting in same IF GBW value of about 3.5 GHz are reported here.
Keywords :
amplification; bolometers; hot carriers; niobium compounds; superconductivity; terahertz waves; HEB; IF GBW; NbN; THz heterodyne detectors; gain bandwidth; gain banwidth; intermediate frequency; superconducting hot electron bolometers; superconducting niobium nitride; terahertz heterodyne detectors; terahertz waveband; Bandwidth; Detectors; Gain; Niobium; Noise; Superconducting devices; Temperature measurement;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2012 37th International Conference on
Conference_Location :
Wollongong, NSW
Print_ISBN :
978-1-4673-1598-2
Electronic_ISBN :
2162-2027
DOI :
10.1109/IRMMW-THz.2012.6380456
