Erlangen 2018 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 52: Cold atoms VI - traps (joint session A/Q)

Q 52.3: Vortrag

Donnerstag, 8. März 2018, 11:00–11:15, K 0.011

Time-dependent custom tailored optical potentials — •Lukas Palm, Marvin Holten, Philipp M. Preiss, and Selim Jochim — Physikalisches Institut der Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany

Engineering quantum states of ultracold atoms requires precise control over the confining potentials. Spatial light modulators displaying computer generated holograms are readily employed to spatially shape such optical potentials in a wide variety of geometries. However, their capabilities in the time domain are severely restricted by the refresh rate of the device.

We utilize multiple optical modes with a relative detuning to realize time-dependent potentials where RF control of the optical frequencies allows a wide range of modulation rates. This allows the creation of rapidly rotating traps where high angular momenta and strongly correlated states are accessible. Therewith we want to realize quantum Hall physics in a few fermion system.

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