与悉尼科技大学朱熹博士合作，研制了一种基于锗化硅工艺的片上宽带带通滤波器。已被IEEE Electron Device Letters录用。

Kai-Da Xu, Xi Zhu, Yang Yang, and Qiang Chen, “A broadband on-chip bandpass filter using shunt dual-layer meander-line resonators,” IEEE Electron Device Lett., 2020. DOI: 10.1109/LED.2020.3027734