Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session X57: 2D Semiconductors: Defects, Twists, and Optical Properties
11:15 AM–2:15 PM,
Friday, March 6, 2020
Room: Mile High Ballroom 3A
Sponsoring
Units:
DMP DCOMP
Chair: Archana Raja, Lawrence Berkeley National Laboratory
Abstract: X57.00007 : Visualizing Electrically Driven Photon Emission from Individual Defects in WS2 with Atomic Resolution
Presenter:
Bruno Schuler
(Lawrence Berkeley National Laboratory)
Authors:
Bruno Schuler
(Lawrence Berkeley National Laboratory)
Katherine Cochrane
(Lawrence Berkeley National Laboratory)
Jun-Ho Lee
(Lawrence Berkeley National Laboratory)
Christoph Kastl
(Technical University Munich)
Ed Barnard
(Lawrence Berkeley National Laboratory)
Ed Wong
(Lawrence Berkeley National Laboratory)
Nicholas J Borys
(Montana State University)
Adam Schwartzberg
(Lawrence Berkeley National Laboratory)
Frank Ogletree
(Lawrence Berkeley National Laboratory)
Jeffrey B Neaton
(Lawrence Berkeley National Laboratory)
Javier Garcia de Abajo
(ICFO – The Institute of Photonic Sciences)
Alexander Weber-Bargioni
(Lawrence Berkeley National Laboratory)
Here we demonstrate electrically driven photon emission from individual, atomically defined defects in a 2D semiconductor [4]. We show atomically resolved luminescence maps from sulfur vacancy defects and native chromium substituents. The widely tunable optical emission generated by charge carrier injection into localized defect states in a 2D material is a powerful platform for electrically driven single-photon emission.
[1] B. Schuler et al., ACS Nano 13, 10520 (2019)
[2] S. Barja et al., Nat. Commun. 10, 3382 (2019)
[3] B. Schuler et al., Phys. Rev. Lett. 123, 076801 (2019)
[4] B. Schuler et al., arxiv: 1910.04612 (2019)
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