Recently, Hongqi Xu's group from BAQIS/Peking University, in collaboration with Jianhua Zhao-Dong Pan's group from the Institute of Semiconductors of the Chinese Academy of Sciences, has achieved an integrated device carrying two single-electron charge sensors and a coupled one-dimensional quintuple-quantum-dot (QQD) array based on a semiconductor indium arsenide (InAs) nanowire, utilizing the cutting-edge nanofabrication techniques.

Quantum Cascade Laser Frequency Comb (QCL-FC), as an emerging solid-state radiation source operating in the mid-infrared to terahertz spectral ranges, has attracted widespread attention for its application in fields such as rapid spectroscopy, sensing, and lidar.

Experimentally realizing novel quantum phases of matter and manipulating their properties is a centr