Erlangen 2018 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 62: Poster: Quantum Optics and Photonics V
Q 62.76: Poster
Thursday, March 8, 2018, 16:15–18:15, Redoutensaal
Describing a quantum eraser experiment with a symbolic in-out formalism — •Nico Klein1,2,3, Manuel Daiber1,2, Lutz Kasper2, and Matthias Freyberger1 — 1Institut für Quantenphysik and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm, D-89069 Ulm — 2Physics Department, University of Education D-73525 Schwäbisch Gmünd — 3qutools GmbH D-81379 München
Teaching the essential principles of quantum physics to undergraduate students or the general public still remains a challenging task. Here, it is shown how fascinating real-time experiments such as a quantum eraser can contribute to a more phenomenon based and deeper understanding of critical concepts like coherence. An easy to adjust source of single photons and a Michelson interferometer are combined in a modular tabletop setup to perform the experiment. Furthermore, an in-out formalism developed using basic experimental results can be deployed to explain and interpret even these complex quantum optical setups while retaining professional accuracy. Results originate from a cooperation of Ulm University, University of Education Schwäbisch Gmünd and qutools GmbH München.