Title :
Performance of a 500 GHz SIS mixer with a distributed junction array
Author :
Huang, J. ; Li, J. ; Huang, SP ; Xu, J. ; Shi, Sheng-Cai ; Wang, Ming-Jye
Author_Institution :
Purple Mountain Obs., Chinese Acad. of Sci., Nanjing, China
Abstract :
This paper introduces the development of a 500 GHz superconducting SIS (superconductor-insulator-superconductor) mixer, which adopts a distributed junction array of five identical Nb/AlOx/Nb SIS junctions connected in parallel. The noise performance of this 500-GHz SIS mixer is thoroughly investigated, in particular for different quasi-optical setups.
Keywords :
circuit noise; niobium alloys; submillimetre wave mixers; superconducting arrays; superconducting junction devices; superconductor-insulator-superconductor mixers; 500 GHz; Nb-AlO-Nb; Nb-AlOx-Nb SIS junctions; distributed junction array; superconducting SIS mixer; superconductor-insulator-superconductor mixer; Feeds; Impedance; Josephson junctions; Niobium; RF signals; Radio frequency; Superconducting device noise; Superconducting devices; Superconducting thin films; Waveguide junctions;
Conference_Titel :
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings
Print_ISBN :
0-7803-9433-X
DOI :
10.1109/APMC.2005.1606258
