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TU Dresden » Faculty of Mechanical Science and Engineering » Institute for Materials Science » Chair of Materials Science and Nanotechnology



Thursday, 11 March 2004
(at 09:30 in room H15)
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Spin qubits with quantum dots

L. P. Kouwenhoven

Department of Applied Physics
Delft University of Technology
  The Netherlands  






Qubits are 2-level systems suitable for control over the level occupation including superpositions. In solid state, two qubit examples are the effective 2-level system in appropriately designed superconducting devices and single-electron spin states in semiconductor quantum dots. Qubit control is demonstrated with NMR-type pulse techniques such as Rabi flops and spin-echo. The readout of a qubit state is an important part of the qubit circuit since any backaction can shorten the coherence lifetime. We discuss a recent realization of a single-shot readout of the spin of a single electron.



abstract (html)

Within the DPG Frühjahrstagung 2004 (German Physical Society, Spring Meeting 2004)

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