THz Frequency Up-Conversion using Superconducting Tunnel Junction

In this letter we present the characterization of the first frequency up-converter using distributed superconducting tunnel junctions. The power of the frequency up-converted signal was large enough to pump an SIS mixer. The efficiency of the distributed superconducting tunnel junction is 11-22 % fo...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2016-10, Vol.26 (10), p.831-833
Hauptverfasser:	Rashid, Hawal, Desmaris, Vincent, Pavolotsky, Alexey, Belitsky, Victor
Format:	Artikel
Sprache:	eng
Schlagworte:	Bandwidth Josephson junctions Junctions Mixers Silicon SIS frequency up-converters superconducting tunnel junctions THz technology
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Zusammenfassung:	In this letter we present the characterization of the first frequency up-converter using distributed superconducting tunnel junctions. The power of the frequency up-converted signal was large enough to pump an SIS mixer. The efficiency of the distributed superconducting tunnel junction is 11-22 % for a fractional bandwidth of 7% with excellent spectral line purity. The -3 dB line width of the up-converter signal is better than 1 Hz, which was the lowest resolution bandwidth of the spectrum analyzer.
ISSN:	1531-1309 2771-957X 1558-1764 1558-1764 2771-9588
DOI:	10.1109/LMWC.2016.2605453