Multicore fiber for cold-atomic cloud monitoring - Archive ouverte HAL
Journal Articles Optics Express Year : 2011

Multicore fiber for cold-atomic cloud monitoring

Abstract

Thanks to an all solid core photonic crystal fiber (PCF) used as a multicore fiber, we propose and experimentally demonstrate what is to our knowledge a new optical detection scheme for the spontaneous emission collection of cold atoms. A Magneto-Optical Trap (MOT) is placed in front of a polished PCF end-face. As they display a higher optical index than the surrounding cladding silica, the 108 rods (equivalent to a 108 pixels camera) of this PCF are light guiding and behave like an array of detectors. Both global and local properties of the trapped atoms are probed. A MOT lifetime is reported. We also take advantage of the multi-core geometry for a real time detection of the center-of-mass motion of the atomic cloud.

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Dates and versions

hal-04557000 , version 1 (23-04-2024)

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Jean-François Clément, Denis Bacquet, Alexandre Kudlinski, Géraud Bouwmans, Olivier Soppera, et al.. Multicore fiber for cold-atomic cloud monitoring. Optics Express, 2011, 19 (23), pp.22936-22941. ⟨10.1364/OE.19.022936⟩. ⟨hal-04557000⟩
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