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Creating multiparticle enganglement with optical fiber microcavities

Creating multiparticle enganglement with optical fiber microcavities
Datum:

Dienstag, 12.06.2018, 15.45 Uhr

Ort:

Seminarraum 3-1, Physikhochhaus

Referent:

Prof. Jakob Reichel
Laboratoire Kastler Brossel, ENS & Sorbonne Université, Paris, France

Abstract: An exciting and fast-growing research field has emerged at the interface of fundamental physics and technology, where the non-classical features of quantum mechanics are employed to engineer powerful, radically new functionalities. Multiparticle entanglement is a key resource in these quantum technologies. I will describe how high-finesse optical cavities can be used to produce and detect such entanglement in ultracold atoms and
other quantum emitters, and show examples from recent experiments in our group with fiber microcavities on atom chips. One application is quantum metrology, and I will show progress towards a spin-squeezed atomic clock on a chip