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FM: Fall Meeting

FM 38: Enabling Technologies: Quantum Dots, Quantum Wires, Point Contacts and Excitonic Systems

FM 38.2: Talk

Dienstag, 24. September 2019, 14:15–14:30, 3043

The development of the optically active gate-defined quantum dots — •Thomas Descamps¹, Feng Liu¹, Chao Zhao¹, Arne Ludwig², and Hendrik Bluhm¹ — ¹JARA-FIT Insitute Quantum Information, Forschungzentrum Jülich GmbH and RWTH Aachen Universit, 52074 Aachen, Germany — ²Lehrstuhl für Angewandte Festkörperphysik, Rhur-Universität Bochum, D-44780 Bochum, Germany

GaAs gate defined quantum dots (GDQD) have been extensively studied as a platform for spin qubits. To improve the scalability, one method to transfer the information relies on the coupling of the electron spin to a photon. In this work, we pursue the coupling of the spin qubit to excitons in a new type of optically active gate-defined quantum dots.