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Enhancement of the quadrupole interaction of an atom with the guided light of an ultrathin optical fiber
https://oist.repo.nii.ac.jp/records/655
https://oist.repo.nii.ac.jp/records/6550c58fe68-23de-4e6e-8538-fb706390dd27
名前 / ファイル | ライセンス | アクション |
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PhysRevA.97.013821 (634.7 kB)
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Creative Commons Attribution 4.0 International
(http://creativecommons.org/licenses/by/4.0/) |
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-08-14 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Enhancement of the quadrupole interaction of an atom with the guided light of an ultrathin optical fiber | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Le Kien, Fam
× Le Kien, Fam× Ray, Tridib× Nieddu, Thomas× Busch, Thomas× Nic Chormaic, Síle |
|||||
書誌情報 |
en : Physical Review A 巻 97, 号 1, p. 013821, 発行日 2018-01-16 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | We investigate the electric quadrupole interaction of an alkali-metal atom with guided light in the fundamental and higher-order modes of a vacuum-clad ultrathin optical fiber. We calculate the quadrupole Rabi frequency, the quadrupole oscillator strength, and their enhancement factors. In the example of a 87Rb atom, we study the dependencies of the quadrupole Rabi frequency on the quantum numbers of the transition, the mode type, the phase circulation direction, the propagation direction, the orientation of the quantization axis, the position of the atom, and the fiber radius. We find that the root-mean-square (rms) quadrupole Rabi frequency reduces quickly but the quadrupole oscillator strength varies slowly with increasing radial distance. We show that the enhancement factors of the rms Rabi frequency and the oscillator strength do not depend on any characteristics of the internal atomic states except for the atomic transition frequency. The enhancement factor of the oscillator strength can be significant even when the atom is far away from the fiber. We show that, in the case where the atom is positioned on the fiber surface, the oscillator strength for the quasicircularly polarized fundamental mode HE11 has a local minimum at the fiber radius a≃107 nm, and is larger than that for quasicircularly polarized higher-order hybrid modes, transverse electric modes, and transverse magnetic modes in the region a<498.2 nm. | |||||
出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9926 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2469-9934 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1103/PhysRevA.97.013821 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://journals.aps.org/pra/abstract/10.1103/PhysRevA.97.013821 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |