Quantum State Engineering on an Optical Transition and Decoherence in a Paul Trap

by: Ch Roos, Th Zeiger, H Rohde, HC Nägerl, J Eschner, D Leibfried, F Schmidt-Kaler, R Blatt

Physical Review Letters, Vol. 83, No. 23. (6 December 1999), 4713.

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摘要

A single Ca + ion in a Paul trap has been cooled to the ground state of vibration with up to 99.9% probability. Starting from this Fock state | n = 0〉 we have demonstrated coherent quantum state manipulation on an optical transition. Up to 30 Rabi oscillations with 1.4 ms have been observed. We find a similar number of Rabi oscillations after preparation of the ion in the | n = 1〉 Fock state. The coherence of optical state manipulation is limited only by laser and ambient magnetic field fluctuations. Motional heating has been measured to be as low as one vibrational quantum in 190 ms.

@article{roos-decoherence, abstract = {A single Ca + ion in a Paul trap has been cooled to the ground state of vibration with up to 99.9\% probability. Starting from this Fock state | n = 0〉 we have demonstrated coherent quantum state manipulation on an optical transition. Up to 30 Rabi oscillations with 1.4 ms have been observed. We find a similar number of Rabi oscillations after preparation of the ion in the | n = 1〉 Fock state. The coherence of optical state manipulation is limited only by laser and ambient magnetic field fluctuations. Motional heating has been measured to be as low as one vibrational quantum in 190 ms.}, author = {Roos, Ch and Zeiger, Th and Rohde, H. and N\"{a}gerl, H. C. and Eschner, J. and Leibfried, D. and Schmidt-Kaler, F. and Blatt, R. }, citeulike-article-id = {1355022}, doi = {http://dx.doi.org/10.1103/PhysRevLett.83.4713}, journal = {Physical Review Letters}, keywords = {blatt, ion}, month = {December}, number = {23}, pages = {4713+}, posted-at = {2007-06-01 12:03:59}, priority = {2}, publisher = {American Physical Society}, title = {Quantum State Engineering on an Optical Transition and Decoherence in a Paul Trap}, url = {http://dx.doi.org/10.1103/PhysRevLett.83.4713}, volume = {83}, year = {1999} }

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TY - JOUR ID - roos-decoherence L3 - citeulike-article-id:1355022 N2 - A single Ca + ion in a Paul trap has been cooled to the ground state of vibration with up to 99.9% probability. Starting from this Fock state | n = 0〉 we have demonstrated coherent quantum state manipulation on an optical transition. Up to 30 Rabi oscillations with 1.4 ms have been observed. We find a similar number of Rabi oscillations after preparation of the ion in the | n = 1〉 Fock state. The coherence of optical state manipulation is limited only by laser and ambient magnetic field fluctuations. Motional heating has been measured to be as low as one vibrational quantum in 190 ms. IS - 23 JF - Physical Review Letters TI - Quantum State Engineering on an Optical Transition and Decoherence in a Paul Trap PB - American Physical Society VL - 83 SP - 4713 KW - blatt KW - ion AU - Roos, Ch AU - Zeiger, Th AU - Rohde, H AU - Nägerl, HC AU - Eschner, J AU - Leibfried, D AU - Schmidt-Kaler, F AU - Blatt, R PY - 1999/12/06/ UR - http://dx.doi.org/10.1103/PhysRevLett.83.4713 ER -

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