State-insensitive trapping and guiding of cesium atoms using a two-color evanescent field around a subwavelength-diameter fiber

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dc.creatorKien, Fam Le
dc.creatorBalykin, V. I.
dc.creatorHakuta, K.
dc.date2004-11-24
dc.date.accessioned2026-07-07T06:11:37Z
dc.date.available2026-07-07T06:11:37Z
dc.descriptionWe 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 $6S_{1/2}\leftrightarrow 6P_{3/2}$ 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.
dc.identifierhttps://arxiv.org/abs/quant-ph/0411178
dc.identifierhttp://arxiv.org/abs/quant-ph/0411178
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/92538
dc.subjectQuantum Physics
dc.titleState-insensitive trapping and guiding of cesium atoms using a two-color evanescent field around a subwavelength-diameter fiber
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