Continuous measurement of a microwave-driven solid state qubit

Barrett, SD and Stace, TM (2006) Continuous measurement of a microwave-driven solid state qubit. Physical Review Letters, 96 1: 017405-1-017405-4. doi:10.1103/PhysRevLett.96.017405

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Author Barrett, SD
Stace, TM
Title Continuous measurement of a microwave-driven solid state qubit
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2006-01-13
Year available 2006
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.96.017405
Open Access Status File (Publisher version)
Volume 96
Issue 1
Start page 017405-1
End page 017405-4
Total pages 4
Place of publication College Pk
Publisher American Physical Soc
Language eng
Abstract We analyze the dynamics of a continuously observed, damped, microwave-driven solid state charge qubit, consisting of a single electron in a double well potential. The microwave field induces transitions between the qubit eigenstates, which have a profound effect on the detector output current. Useful information about the qubit dynamics, such as dephasing and relaxation rates, and the Rabi frequency, can be extracted from the detector conductance and output noise power spectrum. We also propose a technique for single-shot electron spin readout, for spin based quantum information processing, which has a number of practical advantages over existing schemes.
Keyword Physics, Multidisciplinary
Quantum Measurement
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Physical Sciences Publications
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Citation counts: TR Web of Science Citation Count  Cited 22 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 21 times in Scopus Article | Citations
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Created: Fri, 25 Jan 2008, 16:44:35 EST