Experimental Investigation of Lasing Modes in Double-Lattice Photonic-Crystal Resonators and Introduction of In-Plane Heterostructures. - Masahiro Yoshida; Masato Kawasaki; Menaka de Zoysa; Kenji Ishizaki; Takuya Inoue; Yoshinori Tanaka; Ranko Hatsuda; Susumu Noda (Proc. IEEE, 2020)