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Electrically Tunable Excitonic Light Emitting Diodes based on Monolayer WSe2 p-n Junctions
Jason S. Ross, Philip Klement, Aaron M. Jones +9
Light-emitting diodes are of importance for lighting, displays, optical interconnects, logic and sensors. Hence the development of new systems that allow improvements in their effi…
Spin-Layer Locking Effects in Optical Orientation of Exciton Spin in Bilayer WSe2
Aaron M. Jones, Hongyi Yu, Jason S. Ross +6
Coupling degrees of freedom of distinct nature plays a critical role in numerous physical phenomena. The recent emergence of layered materials provides a laboratory for studying th…
Control of Two-Dimensional Excitonic Light Emission via Photonic Crystal
Sanfeng Wu, Sonia Buckley, Aaron M. Jones +9
Monolayers of transition metal dichalcogenides (TMDCs) have emerged as new optoelectronic materials in the two dimensional (2D) limit, exhibiting rich spin-valley interplays, tunab…
Giant Faraday rotation induced by Berry phase in bilayer graphene under strong terahertz fields
Fan Yang, Xiaodong Xu, Ren-Bao Liu
High-order terahertz (THz) sideband generation (HSG) in semiconductors is a phenomenon with physics similar to high-order harmonic generation but in a much lower frequency regime.…
Optical Generation of Excitonic Valley Coherence in Monolayer WSe2
Aaron Mitchell Jones, Hongyi Yu, Nirmal Ghimire +9
Due to degeneracies arising from crystal symmetries, it is possible for electron states at band edges ("valleys") to have additional spin-like quantum numbers. An important questio…
Magnetoelectric effects and valley controlled spin quantum gates in transition metal dichalcogenide bilayers
Zhirui Gong, Gui-Bin Liu, Hongyi Yu +4
In monolayer group-VI transition metal dichalcogenides (TMDC), charge carriers have spin and valley degrees of freedom, both associated with magnetic moments. On the other hand, th…