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Q: Fachverband Quantenoptik und Photonik

Q 62: Poster: Quantum Optics and Photonics III

Q 62.22: Poster

Donnerstag, 26. März 2015, 17:00–19:00, C/Foyer

A Hybrid Microscopic Microwave Sensor — •Daniel Weller¹, Georg Epple², Christian Veit¹, Kathrin S. Kleinbach¹, Tilman Pfau¹, and Robert Löw¹ — ¹5. Physikalisches Institut, Universität Stuttgart, Stuttgart, Germany — ²Max Planck Institute for the Science of Light, Erlangen, Germany

Over the past few years, the usage of atomic vapors has become more and more relevant for applications in quantum technology. Our research focuses on the combination of atomic physics with fiber technology: by enclosing thermal vapor inside hollow core optical fibers, an in-line interaction region between atoms, light and external fields can be realized in miniaturized devices.

Our goal is to exploit the exceptional high sensitivity of Rydberg atoms in combination with the optical guiding properties of hollow core fibers to enable a hybrid sensor for electro-magnetic fields. We will report on the status of our work on creating and maintaining suitable ultra-high vacuum conditions for an enclosed cesium vapor within an all-fiber-based device as well as our latest results on 3-photon-excitation schemes inside various types of hollow core fibers.