Subgap kinetic inductance detector sensitive to 85-GHz radiation

F. Levy-Bertrand, A. Benoît, O. Bourrion +8

We have fabricated an array of subgap kinetic inductance detectors (SKIDs) made of granular aluminum ($T_c\sim$2~K) sensitive in the 80-90 GHz frequency band and operating at 300~m…