3 papers
physics.optics2025
On-chip quadratically nonlinear photodetector
Yu Zhang, Xiaoqing Chen, Mingwen Zhang +5
Involving deterministically nonlinear photoresponse in on-chip photodetector is intriguing to develop sophisticated functions in photonic integrated circuits, such as in-sensor com…
physics.optics2024
Nonlinear photodetector based on InSe p-n homojunction for improving spatial imaging resolution
Yu Zhang, Xiaoqing Chen, Mingwen Zhang +7
We demonstrate an efficient nonlinear photodetector (NLPD) with quadratic response based on a few-layer InSe p-n homojunction, which is beneficial from the strong second harmonic g…
cond-mat.mes-hall2023
Approaching the robust linearity in dual-floating van der Waals photodiode
Jinpeng Xu, Xiaoguang Luo, Xi Lin +9
Two-dimensional (2D) material photodetectors have gained great attention as potential elements for optoelectronic applications. However, the linearity of the photoresponse is often…