Granular aluminum is an intriguing superconducting material, which has recently been receiving increasing attention in the superconducting quantum bits (qubits) and detectors communities. Among its key features are a tunable kinetic inductance up to nH/sq, amenable nonlinearity, and low microwave frequency losses [1,2,3]. Furthermore, quasiparticle relaxation times on the order of ~s have been recently observed .
We will present our recent results on granular aluminum quantum circuits , and discuss how superconducting qubits combined with fast readout electronics could be utilized as ultra-sensitive low temperature detectors.
 L. Grünhaupt et. al, Phys. Rev. Lett. 121, 117001 (2018)
 N. Maleeva et al., Nat. Commun. 9, 3889 (2018)
 F. Valenti et al., Phys. Rev. Appl. (in press), Preprint at: http://arxiv.org/abs/1810.12341
 L. Grünhaupt & M. Spiecker et al., Nat. Mater. (in press), Preprint at: http://arxiv.org/abs/1809.10646
|Less than 5 years of experience since completion of Ph.D||Y|
|Student (Ph.D., M.Sc. or B.Sc.)||N|