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Berlin 2001 – wissenschaftliches Programm

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Q: Quantenoptik

Q 20: Quantum Effects I

Q 20.3: Vortrag

Mittwoch, 4. April 2001, 16:15–16:30, H 2013

Deterministic Generation of Fock States with the One Atom Maser — •Simon Brattke1,2, Benjamin T. H. Varcoe1, and Herbert Walther1,21Max-Planck-Institut für Quantenoptik, 85748 Garching — 2Sektion Physik der Universität München, 85748 Garching

Pure Fock states of a resonator radiation field can be generated in the micromaser in a trapping state experiment in steady state [1] and in a pulsed experiment using state reduction [2,3]. The purity of the so prepared states was measured for the first time [2]. The generation of the Fock states using this method is based on a statistical process. Here we show a method of preparing pure Fock states on demand in a pulsed experiment, making use of trapping state dynamics. In this mode the maser can also be seen as a deterministic source for single atoms in a certain quantum state.

[1] M. Weidinger, B. T. H. Varcoe, R. Heerlein, H. Walther, Phys. Rev. Lett. 82, 3795 (1999)

[2] B. T. H. Varcoe, S. Brattke, M. Weidinger, H. Walther, Nature 403, 743 (2000)

[3] S. Brattke, B.-G. Englert, B. T. H. Varcoe, H. Walther, J. Mod. Opt. 47, 2857 (2000)

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