Ligang Huang is a Chinese Physicist. He received Ph.D. in Physics from Nankai University (China) in 2016. Since September 2020, he works as an associate professor at the College of Optoelectronic Engineering in Chongqing University, China. His research interests include narrow-linewidth lasers, laser parameter measurement, all-fiber acousto-optic tunable filters and whispering-gallery-mode tunable filters. He is author or co-author of more than 50 peer-reviewed journal papers in the field of narrow-linewidth lasers and tunable filters, which have been cited by more than 500 times.