Repetition frequency locking of a terahertz quantum cascade laser emitting at 4.2 THzWen Guan, Ziping Li, Kang Zhou, Wenjian Wan, Xiaoyu Liao, Yiran Zhao, Sijia Yang, J. C. Cao and Hua LiTST, 13 1 (2020) 32-40DOI: https://doi.org/10.1051/tst/2020131032
