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10 March 2020 Discrete interactions between a few interlayer excitons trapped at a MoSe2-WSe2 heterointerface (Conference Presentation)
Malte Kremser, Mauro Brotons-Gisbert, Moritz Meyer, Johannes Knörzer, Matteo Barbone, Brian D. Gerardot, Jonathan J Finley, Kai Müller
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Proceedings Volume 11282, 2D Photonic Materials and Devices III; 1128208 (2020) https://doi.org/10.1117/12.2548196
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
We present our results on trapping a tunable number of interlayer excitons (IX) within a nanoscale confinement potential induced by placing a MoSe2-WSe2 hetero-bilayer onto an array of nanopillars. The mean occupation of the IX trap is controlled via the optical excitation level and discrete sharp-line emission from different configurations of interacting IXs is observed. The intensities of these features exhibit characteristic near linear, quadratic, cubic and quartic power dependencies, which allows us to identify them as different multiparticle configurations of 1-4 IX and we directly measure the hierarchy of dipolar and exchange interactions as the number of increases.
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Malte Kremser, Mauro Brotons-Gisbert, Moritz Meyer, Johannes Knörzer, Matteo Barbone, Brian D. Gerardot, Jonathan J Finley, and Kai Müller "Discrete interactions between a few interlayer excitons trapped at a MoSe2-WSe2 heterointerface (Conference Presentation)", Proc. SPIE 11282, 2D Photonic Materials and Devices III, 1128208 (10 March 2020); https://doi.org/10.1117/12.2548196
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Cited by 3 scholarly publications.
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KEYWORDS
Excitons
Crystals
Numerical modeling
Transition metals
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