Extended Data Fig. 2: GJJ bolometer input resonator.

a, b, Suppression of the switching current at the resonance frequency of the input resonator for Device H (a) and Device T (b) with test power of −15 dBm applied outside the cryostat at 0.3 K (a) and 0.2 K (b). See Extended Data Table 1 for the dimensions and measured parameters of the devices.