OPTICS & PHOTONICS International Congress 2024

Presentation information

ICNN2024 » Oral Presentation

Session 6

Tue. Apr 23, 2024 3:20 PM - 4:50 PM 414+415 (Pacifico Yokohama Conference Center)

Session Chair: Takashi Asano (Kyoto University)

4:20 PM - 4:35 PM

[ICNN7-04] Probing Coherent Optical Response of Coupled Excitons and Spin States in a Quantum Dot Molecule

*Michelle Lienhart1, Christopher Thalacker1, Frederick Bopp1, Nikolai Bart3, Johannes Schall5, Charlotte Cullip1, Katarina Boos2, Friedrich Sbresny2, Andreas Wieck3, Arne Ludwig3, Dirk Reuter4, Sven Rodt5, Stephan Reitzenstein5, Kai Müller2, Jonathan Finley1 (1. Walter Schottky Institute, TUM School of Natural Sciences, Technical University of Munich, 2. TUM School of Computation, Information, and Technology, Technical University of Munich, 3. Faculty of Physics and Astronomy, Ruhr-University Bochum, 4. Department of Physics, Paderborn University, 5. Institute of Solid-State Physics, Technical University of Berlin)

We explore the coherent response of spatially direct and indirect excitons to a pulsed Rabi drive in a quantum dot molecule. State population is detected off-resonantly via phonon-mediated state transfer. We show that the phonon-mediated relaxation from antibonding to bonding coupled orbitals is spin conserving with a fidelity of >94%.

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