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The Importance of Pure Dephasing in the Optical Response of Excitons in High-quality van der Waals Heterostructures
Anabel Atash Kahlon, Matan Meshulam, Tomer Eini +4
Excitons in monolayer transition metal dichalcogenides (TMDs) dominate their optical response due to exceptionally large binding energies arising from their two-dimensional nature.…
Electrically Tunable Interband Collective Excitations in Biased Bilayer and Trilayer Graphene
Tomer Eini, M. F. C. Martins Quintela, J. C. G. Henriques +4
Collective excitations of charged particles under the influence of an electromagnetic field give rise to a rich variety of hybrid light-matter quasiparticles with unique properties…
Absorption and optical selection rules of tunable excitons in biased bilayer graphene
J. C. G. Henriques, Itai Epstein, N. M. R. Peres
Biased bilayer graphene, with its easily tunable band gap, presents itself as the ideal system to explore the excitonic effect in graphene based systems. In this paper we study the…
Quantum Surface-Response of Metals Revealed by Acoustic Graphene Plasmons
P. A. D. Gonçalves, Thomas Christensen, N. M. R. Peres +5
A quantitative understanding of the electromagnetic response of materials is essential for the precise engineering of maximal, versatile, and controllable light--matter interaction…
Optomechanical measurement of thermal transport in two-dimensional MoSe2 lattices
Nicolas Morell, Slaven Tepsic, Antoine Reserbat-Plantey +7
Nanomechanical resonators have emerged as sensors with exceptional sensitivities. These sensing capabilities open new possibilities in the studies of the thermodynamic properties i…
Probing the Ultimate Plasmon Confinement Limits with a Van der Waals heterostructure
David Alcaraz Iranzo, Sebastien Nanot, Eduardo J. C. Dias +11
The ability to confine light into tiny spatial dimensions is important for applications such as microscopy, sensing and nanoscale lasers. While plasmons offer an appealing avenue t…