4 papers
Enhanced photon-pair generation from a van der Waals metasurface
Tongmiao Fan, Yilin Tang, Shaun Lung +11
Quantum photon pairs play a pivotal role in many quantum applications. Metasurfaces, two-dimensional arrays of nanostructures, have been studied intensively to enhance and control…
Giant Second Harmonic Generation from 3R-MoS Metasurfaces
Yilin Tang, Hao Qin, Domenico de Ceglia +10
Metasurfaces have long served as a cornerstone technique to enhance nonlinear processes, enabling frequency conversion, efficient light manipulation and integrated photonic devices…
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…
Quasi-Phase-Matching Enabled by van der Waals Stacking
Yilin Tang, Kabilan Sripathy, Hao Qin +8
Quasi-phase matching (QPM) is a technique extensively utilized in nonlinear optics for enhancing the efficiency and stability of frequency conversion processes. However, the conven…