AIP Advances, Vol 11, Iss 1, Pp 015017-015017-4 (2021) King, B C, Rae, K J, McKenzie, A F, Boldin, A, Kim, D, Gerrard, N D, Li, G, Nishi, K, Takemasa, K, Sugawara, M, Taylor, R J E, Childs, D T D & Hogg, R A 2021, ' Coherent power scaling in photonic crystal surface emitting laser arrays ', AIP Advances, vol. 11, no. 1, 015017 . https://doi.org/10.1063/5.0031158