Cooperative Exciton Interactions in Perovskite Supercrystal Enable Superior Optical Gains. - Yu, Junhong; Sharma, Manoj; Lian, Zhenzhong; Wang, Ke; Cao, Chang; Nguyen, Lan; Nurrosyid, Naufan; Jasieniak, Jacek J. (Laser & Photonics Reviews, 2026)