229 citations · 1.3k across the 36 of their papers we have counts for
8 papers · 1 filter
High-responsivity MoS hot-electron telecom-band photodetector integrated with microring resonator
Qiao Zhang, Yingke Ji, Siqi Hu +9
We report a high-responsive hot-electron photodetector based on the integration of an Au-MoS junction with a silicon nitride microring resonator (MRR) for detecting telecom-ban…
Efficient Second Harmonic Generation from Silicon Slotted Nanocubes with Bound States in the Continuum
C. Fang, Q. Yang, Q. Yuan +6
Optical materials with centrosymmetry, such as silicon and germanium, are unfortunately absent of second-order nonlinear optical responses, hindering their developments in efficien…
High-Q Resonances Governed by the Quasi-Bound States in the Continuum in All-Dielectric Metasurfaces
C. Fang, Q. Yang, Q. Yuan +6
The realization of high-Q resonances in a silicon metasurface with various broken-symmetry blocks is reported. Theoretical analysis reveals that the sharp resonances in the metasur…
Tunable linearity of high-performance vertical dual-gate vdW phototransistor
Jinpeng Xu, Xiaoguang Luo, Siqi Hu +8
Layered two-dimensional (2D) semiconductors have been widely exploited in photodetectors due to their excellent electronic and optoelectronic properties. To improve their performan…
Chip-integrated van der Waals PN heterojunction photodetector with low dark current and high responsivity
Ruijuan Tian, Xuetao Gan, Chen Li +7
Two-dimensional materials are attractive for constructing high-performance photonic chip-integrated photodetectors because of their remarkable electronic and optical properties and…
Electrically tunable second harmonic generation in atomically thin ReS2
Jing Wang, Nannan Han, Zheng-Dong Luo +6
Electrical tuning of second-order nonlinearity in optical materials is attractive to strengthen and expand the functionalities of nonlinear optical technologies, though its impleme…
High-efficiency second-harmonic and sum-frequency generation in a silicon nitride microring integrated with few-layer GaSe
Binbin Wang, Yafei Ji, Linpeng Gu +3
Silicon nitride (SiN) photonics platform has attributes of ultra-low linear and nonlinear propagation losses and CMOS-compatible fabrication process, promising large-scale multifun…
Strong Second Harmonic Generation from Bilayer Graphene with Symmetry Breaking by Redox-Governed Charge Doping
Mingwen Zhang, Nannan Han, Jing Wang +5
Missing second-order nonlinearity in centrosymmetric graphene overshadows its intriguing optical attribute. Here, we report redox-governed charge doping could effectively break the…