A Centimeter-Scale Dielectric Metasurface for the Generation of Cold Atoms - Details

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Abstract：

The　single-beam　magneto-optical　trap　(MOT)　based　on　the　diffractive　optical　element　offers　a　new　route　to　develop　compact　cold　atom　sources.　However,　the　optical　efficiency　in　the　previous　single-beam　MOT　systems　is　usually　low　and　unbalanced,　which　will　affect　the　quality　of　the　trapped　atoms.　To　solve　this　issue,　we　developed　a　centimeter-scale　dielectric　metasurface　optical　chip　with　dynamic　phase　distributions,　which　was　used　to　split　a　single　incident　laser　beam　into　five　separate　ones　with　well-defined　polarization　states　and　uniform　energy　distributions.　The　measured　diffraction　efficiency　of　the　metasurface　is　up　to　47%.　A　single-beam　MOT　integrated　with　the　metasurface　optical　chip　was　then　used　to　trap　the　87Rb　atoms　with　numbers　∼1.4　×　108　and　temperatures　∼7.0　μK.　The　proposed　concept　in　this　work　may　provide　a　promising　solution　for　developing　ultracompact　cold　atom　sources.　©　2023　American　Chemical　Society.

Keyword：

cold atom diffractive optical element dielectric metasurface magneto-optical trap

Author Community：

[ 1 ] [Jin M.]Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
[ 2 ] [Zhang X.]College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China
[ 3 ] [Zhang X.]Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha, 410073, China
[ 4 ] [Liu X.]Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
[ 5 ] [Liu X.]Institute of Laser Engineering, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
[ 6 ] [Liang C.]College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China
[ 7 ] [Liang C.]Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha, 410073, China
[ 8 ] [Liu J.]College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China
[ 9 ] [Liu J.]Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha, 410073, China
[ 10 ] [Hu Z.]Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
[ 11 ] [Li K.]Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
[ 12 ] [Wang G.]College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China
[ 13 ] [Wang G.]Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha, 410073, China
[ 14 ] [Yang J.]College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China
[ 15 ] [Yang J.]Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha, 410073, China
[ 16 ] [Zhu L.]College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China
[ 17 ] [Zhu L.]Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha, 410073, China
[ 18 ] [Li G.]Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China

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Source ：

Nano Letters

ISSN： 1530-6984

Year： 2023

Issue： 9

Volume： 23

Page： 4008-4013

1 0 . 8 0 0

JCR@2022

ESI Discipline： PHYSICS;

ESI HC Threshold：17

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WoS CC Cited Count：

SCOPUS Cited Count： 15

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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