Principle Investigator Bo Zhen Postdoctoral Researchers Dr. Li He (heli1 AT sas DOT upenn DOT edu) Dr. Bumho Kim (bk2600 AT sas DOT upenn DOT edu) Dr. Jicheng Jin (jichengj AT sas DOT upenn DOT edu) Ph.D. Graduate students Valerie Yoshioka (vyoshi AT sas) Zhi Wang (zhiw AT sas) Haiqi Zhou (haiqi AT sas) Chen Qian (chqian AT sas) M.S. Graduate students Xiang Lu (luxiang1 AT seas) Undergraduate students Qinxi Liu (qinxiliu AT seas) Alumni Dr. Jian Lu (ASML) Prof. Longqing Cong (SUSTech) Stephen Thorton Shengyan Liu (UIUC) Annie Cheng (Stanford) Valerie, Bo, Li @ Lab. Summer 2019. (Photo credit: Eric Sucar) Amelia, Bo, Zhi, Valerie, Annie, Jicheng, Haiqi, Bumho, Chen, Yue, Li Summer 2022 @ Willows park.