PT Journal AU Jackson, BD Baryshev, AM de Lange, G Gao, JR Shitov, SV Iosad, NN Klapwijk, TM TI Low-noise 1 THz superconductor-insulator-superconductor mixer incorporating a NbTiN/SiO[sub:2]/Al tuning circuit SO Appl. Phys. Lett. PY 2001 BP 436 VL 79 IS 3 ER