Available on-demand - F.MT06.01.08
Dynamical Modulation of Defect-Phonon Coupling in Transition Metal Dichalcogenides
Chitraleema Chakraborty1,Christopher Ciccarino1,Prineha Narang1
Harvard University1
Show Abstract
The formation of atomic defects is unavoidable in 2D materials with currently available
growth techniques 1 . Nevertheless, there is a myriad of functionalities in modern optoelectronic
and nanophotonic devices that leverage quantum defects including the recent demonstration of
single photon emitters in 2D materials 2,3 . In parallel, advances in atomic-resolution imaging
techniques provide new opportunities to directly create, manipulate and characterize defects
down to the atomic scale in low-dimensional materials 4 . Therefore, we present theoretical
calculations and analysis of optically active quantum defects in 2D materials. We study the
electron-phonon interactions 5,6 of electronic transitions in defects and quantify their optical
efficiency by calculating the Huang-Rhys factor. This presents a pathway for maximizing the
optical efficiency of designer defect and provides a deterministic choice for defect creation at the
atomic scale using scanning probe techniques 2 .
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10, 507 (2015)
[4] G. Grosso, H. Moon, B. Lienhard, S. Ali, D. K. Efetov, M. M. Furchi, P. Jarillo-Herrero, M. J.
Ford, I. Aharonovich, and D. Englund, Nat. Comm. 8, 705, (2017)
[5] C. J. Ciccarino, T. Christensen, R. Sundararaman, and P. Narang, Nano Lett. 18, 5709,
(2018)
[6] C. J. Ciccarino, C. Chakraborty, D. Englund, and P. Narang, Far. Disc. 214, 175, (2018)