1. Key Laboratory of Microelectronic Devices and Circuits (MOE), Department of Micro/nanoelectronics, Peking University, Beijing 100871, China.
2. Center for Brain Inspired Chips, Institute for Artificial Intelligence, Peking University, Beijing 100871, China.
3. Frontiers Science Center for Nano-optoelectronics, Peking University, Beijing 100871, China.