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High-Field Optical Cesium Magnetometer for Magnetic Resonance Imaging
Hans Stærkind, Kasper Jensen, Jörg H. Müller +3
We present a novel high-field optical quantum magnetometer based on saturated absorption spectroscopy on the extreme angular-momentum states of the cesium D2 line. With key feature…
Precision Measurement of the Excited State Landé g-factor and Diamagnetic Shift of the Cesium D Line
Hans Stærkind, Kasper Jensen, Jörg H. Müller +3
We have performed saturated absorption spectroscopy on the cesium D line in 3 T and 7 T magnetic fields. By means of sideband spectroscopy on the extreme angular momentum sta…
Measurement and simulation of atomic motion in nanoscale optical trapping potentials
Signe B. Markussen, Jürgen Appel, Christoffer Østfeldt +3
Atoms trapped in the evanescent field around a nanofiber experience strong coupling to the light guided in the fiber mode. However, due to the intrinsically strong positional depen…
Dipole force free optical control and cooling of nanofiber trapped atoms
Christoffer Østfeldt, Jean-Baptiste Béguin, Freja T. Pedersen +3
The evanescent field surrounding nano-scale optical waveguides offers an efficient interface between light and mesoscopic ensembles of neutral atoms. However, the thermal motion of…
Coherent backscattering of light off one-dimensional atomic strings
H. L. Sørensen, J. -B. Béguin, K. W. Kluge +5
We present the first experimental realization of coherent Bragg scattering off a one-dimensional (1D) system -- two strings of atoms strongly coupled to a single photonic mode -- r…
In-Situ Dual-Port Polarization Contrast Imaging of Faraday Rotation in a High Optical Depth Ultracold 87Rb Atomic Ensemble
Franziska Kaminski, Nir S. Kampel, Mads P. H. Steenstrup +3
We study the effects of high optical depth and density on the performance of a light-atom quantum interface. An in-situ imaging method, a dual-port polarization contrast technique,…