Towards surface quantum optics with Bose-Einstein condensates in evanescent waves

Abstract

We present a surface trap which allows for studying the coherent interaction of ultracold atoms with evanescent waves. The trap combines a magnetic Joffe trap with a repulsive evanescent dipole potential. The position of the magnetic trap can be controlled with high precision which makes it possible to move ultracold atoms to the surface of a glass prism in a controlled way. The optical potential of the evanescent wave compensates for the strong attractive van der Waals forces and generates a potential barrier at only a few hundred nanometers from the surface. The trap is tested with Rb Bose-Einstein condensates (BEC), which are stably positioned at distances from the surfaces below one micrometer.

References in corpus (4)

• Measurement of the Temperature Dependence of the Casimir-Polder Force
• Two-dimensional Bose-Einstein condensate in an optical surface trap
• Exploring the van der Waals Atom-Surface attraction in the nanometric range
• Diffuse reflection of a Bose-Einstein condensate from a rough evanescent wave mirror

Cited by in corpus (10)

• Direct Measurement of intermediate-range Casimir-Polder potentials
• Thermal Casimir-Polder shifts in Rydberg atoms near metallic surfaces
• Hybrid 2D surface trap for quantum simulation
• Nanowire atomchip traps for sub-micron atom-surface distances
• Critical wetting, first-order wetting and prewetting phase transitions in binary mixtures of Bose-Einstein condensates
• Plasmonic surface traps with arbitrary shape for cold atoms
• Artificial magnetic field induced by an evanescent wave
• Guided transport of ultracold gases of rubidium up to a room-temperature dielectric surface
• Surface-plasmon based dispersive detection and spectroscopy of ultracold atoms
• Ad- and desorption of Rb atoms on a gold nanofilm measured by surface plasmon polaritons