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Berlin 2005 – scientific programme

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Q: Quantenoptik und Photonik

Q 3: Poster Quanteninformation, -kommunikation und Quantencomputer

Q 3.17: Poster

Friday, March 4, 2005, 11:00–12:30, Poster HU

Transport-Induced Adiabatic Passages. — •Mkrtych Khudaverdyan, Wolfgang Alt, Igor Dotsenko, Leonid Förster, Dieter Meschede, Yevhen Miroshnychenko, Arno Rauschenbeutel, and Dominik Schrader — Institut für Angewandte Physik, Wegelerstr.8, 53115 Bonn

We demonstrate a robust scheme for selective spin flips within a string of optically trapped individual neutral Cs atoms using microwave induced adiabatic passages. The atoms are imaged with a CCD camera and their transition frequency is position dependently shifted with a magnetic field gradient. A spin flip on a selected atom is accomplished by sweeping the microwave frequency across the respective resonance frequency. We analyze the addressing resolution of this scheme. In a second experiment we induce a spin flip with a fixed microwave frequency by deterministically transporting the atoms across the position of resonance. Our experiments are an important step towards quantum logic operations with atoms.

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