A nanofiber-based optical conveyor belt for cold atoms
| Autor: | Philipp Schneeweiss, S. T. Dawkins, E. Vetsch, Rudolf Mitsch, Daniel Reitz, Arno Rauschenbeutel |
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| Rok vydání: | 2012 |
| Předmět: |
Materials science
Evanescent wave Physics and Astronomy (miscellaneous) Field (physics) Atomic Physics (physics.atom-ph) FOS: Physical sciences Physics::Optics General Physics and Astronomy chemistry.chemical_element Conveyor belt 7. Clean energy 01 natural sciences Molecular physics Physics - Atomic Physics Physics::Fluid Dynamics 010309 optics Standing wave 0103 physical sciences Physics::Atomic Physics 010306 general physics Condensed Matter::Quantum Gases Quantum optics Quantum Physics Optical lattice General Engineering chemistry Nanofiber Caesium Quantum Physics (quant-ph) |
| Zdroj: | Applied Physics B. 110:279-283 |
| ISSN: | 1432-0649 0946-2171 |
| Popis: | We demonstrate optical transport of cold cesium atoms over millimeter-scale distances along an optical nanofiber. The atoms are trapped in a one-dimensional optical lattice formed by a two-color evanescent field surrounding the nanofiber, far red- and blue-detuned with respect to the atomic transition. The blue-detuned field is a propagating nanofiber-guided mode while the red-detuned field is a standing-wave mode which leads to the periodic axial confinement of the atoms. Here, this standing wave is used for transporting the atoms along the nanofiber by mutually detuning the two counter-propagating fields which form the standing wave. The performance and limitations of the nanofiber-based transport are evaluated and possible applications are discussed. |
| Databáze: | OpenAIRE |
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