Speaker
Jule Brosig
(Universität Tübingen)
Description
Quantum simulation with single Rydberg atoms in an optical tweezer array is a powerful tool for investigating complex quantum systems. During the excitation of the atoms, however, technical and physical imperfections lead to decoherence in the system. In our case, a limiting technical imperfection is the phase noise of the laser used for the single-photon Rydberg excitation. A physical imperfection is the black-body-induced decay of the excited state into nearby states. To address these imperfections, we implemented a feedforward correction scheme based on the Pound-Drever-Hall method to reduce the phase noise and set up a laser system that depumps the contaminating Rydberg states and thereby counteracts the black-body-induced losses.
Author
Jule Brosig
(Universität Tübingen)