Bulletin of the American Physical Society
2024 APS March Meeting
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session F12: Optics in 2D Materials: Part I
8:00 AM–10:48 AM,
Tuesday, March 5, 2024
Room: M100C
Sponsoring
Unit:
FIAP
Chair: YUEH-CHUN WU, University of Massachusetts Amherst
Abstract: F12.00011 : Nano-optical control of quantum materials in plasmonic nanocavities
10:00 AM–10:12 AM
Presenter:
Thomas P Darlington
(Columbia University)
Author:
Thomas P Darlington
(Columbia University)
In this presentation, I will show our efforts realizing tunable plexcitons using gap mode plasmons formed between metallic nano-optical probes and template stripped gold substrates. Using commercially available quantum dots, we achieve nanoscopic manipulation of the plexciton emission polarization, showing that simple nanocavity designs can achieve circularly polarized emission with purity approaching 80%. In nanobubbles of monolayer transition metal dichalcogenides (1L-TMDs), we realize plexcitons with highly tunable emission energies, and further show that the nanocavity resonance and exciton energy can be electrostatically controlled in operando, making the TMD nanobubble / gap-mode plasmon potentially a plexcitonic nano-electro-mechanical system. Our results show the power of plasmonic nanocavities to control quantum materials in real time.
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