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Erlangen 2022 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 23: Quantum Information I

Q 23.3: Poster

Dienstag, 15. März 2022, 16:30–18:30, P

Towards EIT ground-state cooling of a lattice of individually trapped atoms — •Apurba Das, Deviprasath Palani, Florian Hasse, Lennart Guth, Amir Mohammadi, Ulrich Warring, and Tobias Schaetz — Physikalisches Institut, Hermann-Herder-Str. 3, 79104 Freiburg i. Br.

Customized trap architectures for single trapped atoms with suitable local and global control fields enable us to set up and tune increasingly complex quantum systems with a high level of control. For individual state control and coupling of internal and external degrees of freedom in the system, we typically implement two-photon stimulated Raman transition. In our future work, in addition to our established control features, we want to bring ground state cooling based on electromagnetically-induced transparency to enable broadband cooling of multiple modes to deterministically prepare the system to its global ground state. This will allow us to prepare our 25Mg+ arrays for further quantum operations more efficiently. Here in this presentation, we give an overview of required technical developments, recent advancements and discuss important steps towards near-future applications.

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