Dielectric microcylinder makes a nanocylindrical trap for atoms and ions

Research output: Contribution to journalArticleScientificpeer-review

Abstract

In the diffraction of visible light by a dielectric microcylinder, packages of evanescent waves always arise. However, single plane-wave incidence corresponds to rather small impact of evanescent waves outside the cylinder. In this paper, we theoretically show that a pair of plane waves impinging a glass microcylinder under certain conditions may correspond to much higher impact of the evanescent waves. Namely, the interference of the evanescent waves with the propagating ones results in the suppression of the electromagnetic field in an area with very small cross section. This area is located in free space at a substantial distance from the rear side of the microcylinder and along its axis. It may serve a linear optical trap for cold atoms and ions.

Original languageEnglish
Article number165405
Number of pages10
JournalPhysical Review B
Volume103
Issue number16
DOIs
Publication statusPublished - 8 Apr 2021
MoE publication typeA1 Journal article-refereed

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