Bulletin of the American Physical Society
2024 APS March Meeting
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session F09: Light-Matter Interactions and Quantum Optics in 2D Materials
8:00 AM–11:00 AM,
Tuesday, March 5, 2024
Room: L100J
Sponsoring
Unit:
DCMP
Chair: Hsun-Jen Chuang, United States Naval Research Laboratory
Abstract: F09.00012 : Fully electrical exciton quantum confinement in zero-dimensional structures
10:12 AM–10:24 AM
Presenter:
Deepankur Thureja
(ETH Zurich)
Authors:
Deepankur Thureja
(ETH Zurich)
Emre Yazici
(ETH Zurich)
Tomasz Smolenski
(ETH Zurich)
David J Norris
(ETH Zurich)
Martin Kroner
(ETH Zurich)
Atac Imamoglu
(ETH Zurich)
Here, we overcome this hurdle and realize fully tunable QDs for excitons in a monolayer transition metal dichalcogenide semiconductor. Through precise design of gate electrodes, we dynamically modulate the in-plane electric fields in our device, enabling the tuning of QD resonance frequencies via the dc Stark effect. Simultaneously, the exciton confinement length is modified, directly impacting the emitter brightness. Our structure is distinct from previous implementations, as it realizes quantum-confined bosonic modes with a nonlinear response arising solely from exciton-exciton interactions. It holds promise as a foundational element of a strongly interacting many-body photonic system.
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