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Heidelberg 2015 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 31: Poster: Quantum Optics and Photonics II

Q 31.56: Poster

Dienstag, 24. März 2015, 17:00–19:00, C/Foyer

Spectrum of the light scattered by unharmonically trapped cavity-cooled atoms — •Ralf Betzholz, Marc Bienert, and Giovanna Morigi — Theoretische Physik, Universität des Saarlandes, D-66123 Saarbrücken, Germany

Cavity quantum electrodynamics with single atoms opens the possibility of realizing well controlled quantum interfaces. In addition the spectrum of light emitted by the resonator allows to monitor the dynamics of the atomic internal and external degrees of freedom. When the atom, trapped in an unharmonic potential, is cooled by the cavity field the spectral sidebands of the emitted light allows the readout of the full thermal distribution. We evaluate the cavity output spectrum and the spectrum of resonance fluorescence for the parameters of the experiment in Ref. [1]. This technique opens the perspective to perform feedback on the atomic motion.
[1] T. Kampschulte et al., Phys. Rev. A 89, 033404 (2014)

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