Trap frequency measurement with a pulsed atom laser

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

doi:10.1364/OE.455009

Trap frequency measurement with a pulsed atom laser

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	13252-13262
Number of pages	11
Journal	Optics Express
Volume	30
Issue number	8
DOIs	https://doi.org/10.1364/OE.455009
Publication status	Published - 11 Apr 2022

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abstract = "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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AU - Henson, B. M.

AU - Thomas, K. F.

AU - Mehdi, Z.

AU - Burnett, T. G.

AU - Ross, J. A.

AU - Hodgman, S. S.

AU - Truscott, A. G.

PY - 2022/4/11

Y1 - 2022/4/11

N2 - 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.

AB - 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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EP - 13262

JO - Optics Express

JF - Optics Express

IS - 8

ER -

Trap frequency measurement with a pulsed atom laser

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