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Quantum Chemistry

Femtosecond wavepacket interferometry using the rotational dynamics of a trapped cold molecular ion

arXiv

Authors: J. Martin Berglund, Michael Drewsen, Christiane P. Koch

Year

2014

Paper ID

46455

Status

Preprint

Abstract Read

~2 min

Abstract Words

101

Citations

N/A

Abstract

A Ramsey-type interferometer is suggested, employing a cold trapped ion and two time-delayed off-resonant femtosecond laser pulses. The laser light couples to the molecular polarization anisotropy, inducing rotational wavepacket dynamics. An interferogram is obtained from the delay dependent populations of the final field-free rotational states. Current experimental capabilities for cooling and preparation of the initial state are found to yield an interferogram visibility of more than 80%. The interferograms can be used to determine the polarizability anisotropy with an accuracy of about pm 2\%, respectively pm 5\%, provided the uncertainty in the initial populations and measurement errors are confined to within the same limits.

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A Ramsey-type interferometer is suggested, employing a cold trapped ion and two time-delayed off-resonant femtosecond laser pulses.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1411.3849 [2] arXiv https://arxiv.org/abs/1411.3849 [3] Publisher https://arxiv.org/abs/1411.3849

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