Creating a low-dimensional quantum gas using dark states in an inelastic evanescent-wave mirror

被引：10

作者：

Spreeuw, RJC ^{[1
]}

Voigt, D ^{[1
]}

Wolschrijn, BT ^{[1
]}

van den Heuvel, HBV ^{[1
]}

机构：

[1] Univ Amsterdam, Van der Waals Zeeman Inst, NL-1018 XE Amsterdam, Netherlands

来源：

PHYSICAL REVIEW A | 2000年 / 61卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.61.053604

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We discuss an experimental scheme to create a low-dimensional gas of ultracold atoms, based on inelastic bouncing on an evanescent-wave mirror. Close to the turning point of the mirror, the atoms are transferred into an optical dipole trap. This scheme can compress the phase-space density and can ultimately yield an optically driven atom laser. An important issue is the suppression of photon scattering due to "cross talk" between the mirror potential and the trapping potential. We propose that for alkali-metal atoms the photon scattering rate can be suppressed by several orders of magnitude if the atoms re decoupled from the evanescent-wave light. We discuss how such dark states can be achieved by making use of circularly polarized evanescent waves.

引用

页码：536041 / 536047

页数：7

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