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Mainz 2017 – scientific programme

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A: Fachverband Atomphysik

A 7: Ultracold atoms and BEC - II (with Q)

A 7.1: Talk

Monday, March 6, 2017, 17:00–17:15, N 1

Multiple BECs in a non-degenerate ring cavity — •Deepak Pandey1,3, Grigor Kuyumjyan1, Walid Cherifi1, Naik Devang1, Andrea Bertoldi1, Arnaud Landragin2, and Philippe Bouyer11LP2N, Université Bordeaux, IOGS, CNRS, Talence, France — 2LNE-SYRTE, Observatoire de Paris, CNRS, UPMC, F-75014 Paris, France — 3Presently at Institut für Angewandte Physik, Wegelerstr. 8, D-53115 Bonn, Germany

Quantum degenerate gases of neutral atoms are excellent systems with important applications in the study of many body quantum physics, condensed matter physics, precision measurements, and quantum information processing. We demonstrate the creation of multiple 87Rb Bose-Einstein condensates (BECs) in the higher transverse modes of a bow-tie ring cavity at telecom wavelength 1560 nm. The non-degenerate character of the cavity allows splitting and merging of cold ensembles by deforming the trapping potentials inside the cavity. Another cavity resonance at 780 nm will allow us to realize the cavity aided quantum non-demolition measurements to generate measurement induced spin squeezed states.

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