Rostock 2019 – scientific programme

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AKjDPG: Arbeitskreis junge DPG

AKjDPG 3: Tutorial Quantum Metrology

AKjDPG 3.2: Tutorial

Sunday, March 10, 2019, 17:00–18:00, U HS 323

Quantum metrology with non-classical states of atoms — Carsten Klempt¹ and •Morgan Mitchell² — ¹Institut für Quantenoptik, Leibniz Universität Hannover, Deutschland — ²ICFO - Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Barcelona, Spain

This tutorial will give an introduction to quantum metrology with non-classical states of atoms, with a focus on experimental aspects. The tutorial will start with an introduction to the basic concepts. I will then present the main experimental methods for the creation of entangled many-particle states in neutral atomic ensembles: Quantum non-demolition measurements, cavity interaction, collisional interaction. I will review the classes of entangled states, that have been created experimentally, and describe methods for the quantification of entanglement, including squeezing parameters and entanglement depth. Finally, I will present some highlight applications in the field of metrology.