(”A high-performance topological bulk laser based on band-inversion-induced reflection” Z.-K. Shao, H.-Z. Chen, S. Wang, X.-R. Mao, Z.-Q. Yang, S.-L. Wang, X.-X. Wang, X. Hu and R.-M. Ma; Journal: Nature Nanotechnology, vol. 15, 67-72 (2020); DOI :
10.1038/s41565-019-0584-x