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Electrical Control of Two-Dimensional Neutral and Charged Excitons in a Monolayer Semiconductor
Jason S Ross, Sanfeng Wu, Hongyi Yu +8
Monolayer group VI transition metal dichalcogenides have recently emerged as semiconducting alternatives to graphene in which the true two-dimensionality (2D) is expected to illumi…
Photoresponse of a strongly correlated material determined by scanning photocurrent microscopy
T. Serkan Kasirga, Dong Sun, Jae H. Park +4
The generation of a current by light is a key process in optoelectronic and photovoltaic devices. In band semiconductors, depletion fields associated with interfaces separate long-…
Electrical Tuning of Valley Magnetic Moment via Symmetry Control
Sanfeng Wu, Jason S Ross, Grant Aivazian +8
Crystal symmetry governs the nature of electronic Bloch states. For example, in the presence of time reversal symmetry, the orbital magnetic moment and Berry curvature of the Bloch…
Quantum-Enhanced Tunable Second-Order Optical Nonlinearity in Bilayer Graphene
Sanfeng Wu, Li Mao, Aaron M. Jones +3
Second order optical nonlinear processes involve the coherent mixing of two electromagnetic waves to generate a new optical frequency, which plays a central role in a variety of ap…