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Q: Quantenoptik und Photonik

Q 3: Poster Quanteninformation, -kommunikation und Quantencomputer

Q 3.9: Poster

Freitag, 4. März 2005, 11:00–12:30, Poster HU

Alignment structures for a fiber resonator using deep UV lithography — •Marco Wilzbach¹, Söenke Groth¹, Albrecht Haase², Björn Hessmo², Xiyuan Liu³, Michael Schwarz¹, and Jörg Schmiedmayer¹ — ¹Physikalisches Institut der Universität Heidelberg, Philosophenweg 12, D-69120 Heidelberg, Germany. — ²Royal Institute of Technology, Dept. of Microelectronics and IT, Electrum 229, Isafjordsgatan 22, S-16440 Kista, Sweden. — ³Lehrstuhl für Optoelektronik, Universität Mannheim, B6 23-29, D-68131 Mannheim, Germany.

On atom chips various atom optical elements have been realized using magnetostatic and electrostatic potentials created by surface-mounted microscopic wire structures. Here we present a next step to make these atom chips become an universal toolbox for fundamental experiments in quantum optics as well as for possible applications like quantum information processing. Our first experiments aim at the detection of single atoms in miniaturized traps using optical fibre cavities. For the integration of the fibre cavities we developed passive alignment structures on an atom chip. We will describe our setup, show the first measurements with these structures and give first experimental results.