Low‐Threshold High‐Quality Room‐Temperature Multi‐Photon‐Pumped Blue Lasing from a Novel D‐π‐A Ladder‐Type Oligo(p‐phenylene). - Huang, Xiansheng; Liu, Xiao; Guo, Xu; Liu, Yangqian; Lan, Sheng; Wong, Man Shing; Guo, Lei; Chen, Yibo; Fan, Haihua (Laser & Photonics Reviews, 2026)