Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 20: SYRA: Ultracold Rydberg Atoms and Molecules 1

Q 20.6: Vortrag

Dienstag, 13. März 2012, 12:15–12:30, V47.01

Rydberg four wave mixing in a thermal gas of Rb — •Andreas Kölle, Georg Epple, Thomas Baluktsian, Bernhard Huber, Harald Kübler, Robert Löw, and Tilman Pfau — 5. Physikalisches Institut, Universität Stuttgart, Pfaffenwaldring 57, 70550 Stuttgart Gerrmany

The Rydberg blockade effect is a promising candidate for use in quantum devices. In combination with a four wave mixing scheme a single photon source has been proposed. While ultracold gases seem to be the obvious choice, our vision is to use thermal atomic vapor in small glass cells which offers multiple advantages in terms of scalability and ease of use.

We present four wave mixing measurements including a Rydberg state in a thermal vapor cell and compare our results to a single atom model. Furthermore we demonstrate the tunability of the four wave mixing scheme by means of an electric field via the Stark effect on the Rydberg state.

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