Pulse Current Measurements and Rabi Oscillations in a dc SQUID Phase Qubit

We have used 2 ns pulses of current to read out the states of a Nb/AlO x /Nb dc SQUID phase qubit at 25 mK. Plotting the number of escape events that occur versus the size of the current pulse reveals a series of steps corresponding to the occupancy of different energy levels. After calibrating the...

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Veröffentlicht in:	IEEE transactions on applied superconductivity 2007-06, Vol.17 (2), p.162-165
Hauptverfasser:	Palomaki, T.A., Dutta, S.K., Lewis, R.M., Paik, H.., Mitra, K.., Cooper, B.K., Przybysz, A.J., Dragt, A.J., Anderson, J.R., Lobb, C.J., Wellstood, F.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Calibration Classical and quantum physics: mechanics and fields Current measurement Direct current Electronics Energy states Exact sciences and technology Inductors Josephson junction Niobium Oscillations Phase measurement Physics Pulse measurements pulsed-readout Quantum computing Quantum information qubit Qubits (quantum computing) Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices SQUIDs Superconducting devices Superconducting quantum interference devices Superconductivity Switches Voltage
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