Title :
Energy relaxation times in a Nb persistent current qubit
Author :
Yu, Yang ; Oliver, William D. ; Nakada, D. ; Lee, Janice C. ; Berggren, Karl K. ; Orlando, T.P.
Author_Institution :
Massachusetts Inst. of Technol., Cambridge, MA, USA
fDate :
6/1/2005 12:00:00 AM
Abstract :
We measured the energy relaxation time in a Nb superconducting persistent current qubit using a time-resolved fast measurement scheme. The energy relaxation time is longer than 10μs, showing a strong potential of realizing quantum computation with Nb-based superconducting qubits.
Keywords :
SQUIDs; niobium; quantum gates; superconducting logic circuits; Nb; energy relaxation times; quantum computation; superconducting devices; superconducting persistent current qubit; superconducting qubits; time-resolved fast measurement scheme; Current measurement; Energy measurement; Josephson junctions; Magnetic fields; Niobium; Persistent currents; Potential well; Quantum computing; Quantum mechanics; Time measurement; Nanotechnology; quantum computation; superconducting devices;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
DOI :
10.1109/TASC.2005.850078
