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Improving high-T_c dc-SQUID performance by junction asymmetry
Urbasi Sinha, Aninda Sinha, Frank K. Wilhelm
We study noise and noise energy of a high-T dc SQUID fabricated on a high- substrate whose conduction properties are given by transmission line physics. We show that trans…
Current Fluctuations in Rough Superconducting Tunnel Junctions
Georg Heinrich, F. K. Wilhelm
Intrinsic noise is known to be ubiquitous in Josephson junctions. We investigate a voltage biased superconducting tunnel junction including a very small number of pinholes - transp…
Optimal control of a leaking qubit
Patrick Rebentrost, Frank K. Wilhelm
Physical implementations of quantum bits can contain coherent transitions to energetically close non-qubit states. In particular, for anharmonic oscillator systems such as the supe…
Quantum nondemolition-like, fast measurement scheme for a superconducting qubit
I. Serban, B. L. T. Plourde, F. K. Wilhelm
We present a measurement protocol for a flux qubit coupled to a dc-Superconducting QUantum Interference Device (SQUID), representative of any two-state system with a controllable c…
Nonequilibrium transport in mesoscopic multi-terminal SNS Josephson junctions
M. S. Crosser, Jian Huang, F. Pierre +4
We report the results of several nonequilibrium experiments performed on superconducting/normal/superconducting (S/N/S) Josephson junctions containing either one or two extra termi…