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19 January 2025 |
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Article overview
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Precisely Modeling the Potential of a Surface Electrode Ion Trap | | Qingqing Qin
; Ting Chen
; Xinfang Zhang
; Baoquan Ou
; Jie Zhang
; Chunwang Wu
; Yi Xie
; Wei Wu
; Pingxing Chen
; | | Date: |
2 Jan 2023 | | Abstract: | Accurately modeling the potential generated by electrode of a Paul trap is of
great importance for either precision metrology or quantum computing using ions
in a Paul trap. For a rectangular shaped electrode, we find a simple but highly
accurate parametric expression for the spatial field distribution. Using this
expression, a method based on multi-objective optimization is presented to
accurately characterize the spatial field strength due to the electrodes and
also the stray electric field. This method allows to utilize many different
types of data for optimization, such as the equilibrium position of ions in a
linear string, trap frequencies and the equilibrium position of a single ion,
which therefore greatly improves the model accuracy. The errors of predicted
secular frequencies and average ion position are less than $pm 0.5\%$ and 1.2
$mu$m respectively, much better than the ones predicted by existing method. | | Source: | arXiv, 2301.00559 | | Services: | Forum | Review | PDF | Favorites | |
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