Author Affiliations

Qinghong Zhou,¹ Lisha Tu,¹ Liuying Chen,¹ Jun Liu,¹ Ma‐Ke Ying,² Karen Lei,³ Hao-Wen Luo,^4,5 Juhao Wu,^6,* and Alexander W. Chao⁶

¹School of Science, Southwest University of Science and Technology, Mianyang, Sichuan 621010, China

²Institute of Photonics Technologies and Department of Electrical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan

³Saratoga High School, 20300 Herriman Avenue, Saratoga, CA 95070, USA

⁴Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan

⁵National Synchrotron Radiation Research Center, 101 Hsin-Ann Road, Hsinchu 30076, Taiwan

⁶Stanford University, Stanford, CA 94309, USA

^*Corresponding author: juhaowu@stanford.edu