State-Insensitive Trapping and Guiding of Cesium Atoms Using a Two-Color Evanescent Field around a Subwavelength-Diameter Fiber(Atomic and Molecular Physics)
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概要
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We calculate the optical potentials, i.e., the light shifts, of the ground and excited states of atomic cesium in a two-color evanescent field around a subwavelength-diameter fiber. We show that the light shifts of the 6S_<1/2>↔6P_<3/2> transitions can be minimized by tuning one trapping light to around 934.5 nm in wavelength (central red-detuned magic wavelength) and the other light to around 685.5 nm in wavelength (central blue-detuned magic wavelength). The simultaneous use of the red- and blue-detuned magic wavelengths allows state-insensitive two-color trapping and guiding of cesium atoms along the thin fiber. Our results can be used to efficiently load a two-color dipole trap by cesium atoms from a magneto-optical trap and to perform continuous observations.
- 社団法人日本物理学会の論文
- 2005-03-15
著者
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HAKUTA Kohzo
Department of Applied Physics and Chemistry, and Institute for Laser Science, University of Electro-
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Kien Fam
Department Of Physics And Chemistry University Of Electro-communications
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Hakuta Kohzo
Department Of Applied Physics And Chemistry University Of Electro-communications
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Hakuta Kohzo
Department Of Applied Physics And Chemistry And Institute For Laser Science University Of Electro-co
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Kien Fam
Department Of Applied Physics And Chemistry University Of Electro-communications
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Balykin Victor
Institute Of Spectroscopy
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