6 papers
Real-Space Imaging of Guided Exciton Polaritons in Free-standing Monolayer WSe2
Manuka Suriyage, Hao Qin, Xueqian Sun +5
Monolayers of transition metal dichalcogenides (TMDCs), known for their strong excitonic states with high binding energies in the visible spectrum at room temperature, offer great…
Optical Visualization of Carrier Surfing in 2D Monolayers Driven by Surface Acoustic Waves
Xueqian Sun, Shuyao Qiu, Hao Qin +1
Charge carrier transport is pivotal in advancing nanoelectronics. Despite progress in exciton transport within ultra-thin semiconductors, the intertwined transport of free carriers…
Long-Propagating Ghost Phonon Polaritons Enabled by Selective Mode Excitation
Manuka P. Suriyage, Qingyi Zhou, Hao Qin +5
The precise control of phonon polaritons(PhPs) is essential for advancements in nanophotonic applications like on-chip optical communication and quantum information processing. Gho…
Dipolar many-body complexes and their interactions in stacked 2D heterobilayers
Xueqian Sun, Ermin Malic, Yuerui Lu
Highly customizable interfaces created by van der Waals stacked 2D materials provide an extremely flexible opportunity for engineering and effectively controlling material properti…
Twisted van der Waals Quantum Materials: Fundamentals, Tunability and Applications
Xueqian Sun, Manuka Suriyage, Ahmed Khan +8
Twisted vdW quantum materials have emerged as a rapidly developing field of 2D semiconductors. These materials establish a new central research area and provide a promising platfor…
Ferroelectric driven exciton and trion modulation in monolayer MoSe2 and WSe2
Bo Wen, Yi Zhu, Didit Yudistira +13
In this work, we show how domain engineered lithium niobate can be used to selectively dope monolayer MoSe2 and WSe2 and demonstrate that these ferroelectric domains can significan…