NbN superconducting tunnel junctions (STJ) have a gap frequency reaching 1.4 THz, although demonstrating relatively large leakage current over Nb ones. In this paper the direct-detection performance of an NbN/AlN/NbN STJ is investigated at 0.5 THz with the aid of a Fourier transform spectrometer.
Direct Detection of THz Signals with an NbN Superconducting Tunnel Junction
2006-09-01
1018990 byte
Conference paper
Electronic Resource
English
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