M. Kiviranta et H. Seppa, NOISE BEHAVIOR OF THE UN SQUID STUDIED BY NUMERICAL-SIMULATION, IEEE transactions on applied superconductivity, 7(2), 1997, pp. 3224-3227
The unshunted SQUID is a magnetic flux sensor, whose Josephson junctio
ns are damped in a novel way. We have studied its dynamics with noise
sources by numerical simulation, results suggest that its energy resol
ution is at least 2 times better than that of a conventional dc SQUID.