Dynamic decoherence control of a solid-state nuclear quadrupole qubit

Details Dynamic decoherence control of a solid-state nuclear quadrupole qubit Dynamic decoherence control of a solid-state nuclear quadrupole qubit

2004-12-08

arxiv.org/abs/quant-ph/0412061v2

Physics

Quantum Physics

4 pages, 6 figures

Scientific paper

10.1103/PhysRevLett.95.030506

We report on the application of a dynamic decoherence control pulse sequence on a nuclear quadrupole transition in $Pr^{3+}:Y_2SiO_5$ . Process tomography is used to analyse the effect of the pulse sequence. The pulse sequence was found to increase the decoherence time of the transition to over 30 seconds. Although the decoherence time was significantly increased, the population terms were found to rapidly decay on the application of the pulse sequence. The increase of this decay rate is attributed to inhomogeneity in the ensemble. Methods to circumvent this limit are discussed.

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