Bulletin of the American Physical Society
APS March Meeting 2024
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: F09.00003 : Indirect bandgap MoSe2 resonators for light-emitting nanophotonics
8:24 AM–8:36 AM
Presenter:
Bogdan R Borodin
(University of Notre Dame)
Author:
Bogdan R Borodin
(University of Notre Dame)
In this study, we present a new type of stand-alone TMD nanocavity that serves as a source of excitonic photoluminescence. We created disk whispering-gallery-mode optical nanoresonators using bulk indirect bandgap MoSe2. To avoid contamination or chemical treatment that could alter the TMD's properties, we employed the novel frictional probe lithography to fabricate the nanoresonators. The resulting nanoresonators exhibited strongly enhanced photoluminescence (by two orders of magnitude) in the range of 850 to 1050 nm. By varying the nanocavity diameter, we can tune the peak positions. This work demonstrates a new approach to fabricating light-emitting nanophotonic devices from indirect bandgap TMDs and paves the way for further research.
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