Papers › Trap Frequency Measurement with a Pulsed Atom Laser

Trap Frequency Measurement with a Pulsed Atom Laser

25 Jan 2022arXiv:2201.10021links table onlyarchive 2025-07-28

B. M. Henson, K. F. Thomas, Z. Mehdi, T. G. Burnett, J. A. Ross, S. S. Hodgman, A. G. Truscott

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We describe a novel method of single-shot trap frequency measurement for a confined Bose-Einstein Condensate, which uses an atom laser to repeatedly sample the mean velocity of trap oscillations as a function of time. The method is able to determine the trap frequency to an accuracy of 39~ppm (16~mHz) in a single experimental realization, improving on the literature by a factor of three. Further, we show that by employing a reconstructive aliasing approach our method can be applied to trap frequencies more than a factor of 3 greater than the sampling frequency.

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