InAs/GaAs Quantum Dot Dual-Mode Distributed Feedback Laser Towards Large Tuning Range Continuous-Wave Terahertz Application oleh Qi-zhu Li, Yuan-qing Huang, Ji-qiang Ning, Cheng Jiang, Xu Wang, Hong-mei Chen, Xiao Li, Rui-ying Zhang, Kai Zhang, Jia-hua Min, Yong Peng, Zi-yang Zhang