Anomalous Switching Curves in a dc SQUID Phase Qubit

We have observed anomalous switching curves (s-curves) in a dc SQUID phase qubit. The SQUID has two Al/AlO x /Al Josephson junctions in a 1.5 nH loop. One junction as a phase qubit and the other acts as a detector junction. The qubit junction area is 2 μm 2 , the critical current is 0.08 μA and the...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2011-06, Vol.21 (3), p.860-863
Hauptverfasser:	Kwon, H, Przybysz, A J, Cooper, B K, Paik, H, Osborn, K D, Palmer, B S, Budoyo, R, Anderson, J R, Lobb, C J, Wellstood, F C
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Applied sciences Capacitors Detectors Devices Dielectric, amorphous and glass solid devices Direct current Electrical engineering. Electrical power engineering Electromagnets Electronics Exact sciences and technology Junctions Lead Magnetic devices Oscillators Qubits (quantum computing) Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices SQUIDs Stationary state Studies Superconducting devices Superconducting quantum interference devices Switches Switching Various equipment and components
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