Evidence for moiré intralayer excitons in twisted WSe2/WSe2 homobilayer superlattices

B Wu, H Zheng, S Li, J Ding, J He, Y Zeng… - Light: Science & …, 2022 - nature.com
Recent advances in twisted van der Waals heterostructure superlattices have emerged as a
powerful and attractive platform for exploring novel condensed matter physics due to the …

Light–matter coupling in large-area van der Waals superlattices

P Kumar, J Lynch, B Song, H Ling, F Barrera… - Nature …, 2022 - nature.com
Abstract Two-dimensional (2D) crystals have renewed opportunities in design and assembly
of artificial lattices without the constraints of epitaxy. However, the lack of thickness control in …

Electrically Switchable Intervalley Excitons with Strong Two-Phonon Scattering in Bilayer WSe2

MM Altaiary, E Liu, CT Liang, FC Hsiao, J van Baren… - Nano …, 2022 - ACS Publications
We report the observation of QΓ intervalley exciton in bilayer WSe2 devices encapsulated by
boron nitride. The QΓ exciton resides at∼ 18 meV below the QK exciton. The QΓ and QK …

Charged bosons made of fermions in bilayer structures with strong metallic screening

Z Sun, J Beaumariage, Q Wan, H Alnatah… - Nano Letters, 2021 - ACS Publications
Two-dimensional monolayer structures of transition metal dichalogenides (TMDs) have
been shown to allow many higher-order excitonic bound states, including trions (charged …

Observation of double indirect interlayer exciton in MoSe2/WSe2 heterostructure

B Wu, Y Wang, J Zhong, C Zeng, Y Madoune, W Zhu… - Nano Research, 2022 - Springer
Interlayer excitons (IXS) are electron-hole pairs bound in the spatial separation layer by the
Coulomb effect, and their lifetime is several orders of magnitude longer than that of direct …

Time-resolved observation of hole tunneling in van der Waals multilayer heterostructures

Y Li, L Zhang, J Chang, Q Cui… - ACS Applied Materials & …, 2021 - ACS Publications
We reported a time-resolved study of quantum-mechanical tunneling of holes between two
MoSe2 monolayers that are separated by a monolayer WS2 energy barrier. Four-layer …

[HTML][HTML] Broadband enhancement of absorption by two-dimensional atomic crystals modeled as non-Hermitian photonic scattering

X Chen, Z Sun, M Zhang, M Li, Z Hu… - Applied Physics …, 2023 - pubs.aip.org
We report the design and fabrication of a vertical structure using a distributed Bragg reflector
and dielectric material layer to achieve optimized optical absorption enhancement for a …

Dynamics and decoherence of exciton polaron in monolayer transition metal dichalcogenides

C Kenfack-Sadem, AK Teguimfouet… - Journal of Electronic …, 2021 - Springer
The dynamics and decoherence of excitonic polaron in a two-dimensional monolayer
transition metal dichalcogenides (TMDCs) in quantum dot have been investigated using a …

Characterization, Modeling, and Design of Microcavity Exciton-Polariton Samples

JC Beaumariage - 2024 - search.proquest.com
Exciton-polaritons are particles combining the aspects of solid matter with light. They interact
and scatter off one another, while also having a very light effective mass. They thermalize …

Light-Matter Coupling in Scalable Van der Waals Superlattices

P Kumar, J Lynch, B Song, H Ling, F Barrera… - arXiv preprint arXiv …, 2021 - arxiv.org
Two-dimensional (2D) crystals have renewed opportunities in design and assembly of
artificial lattices without the constraints of epitaxy. However, the lack of thickness control in …