Biuret-Engineered Mixed-Cation Perovskite with High Optical Gain for Single-Mode VCSELs
Metal halide perovskites are attractive gain media for coherent lasers due to their high optical gain, strong photoluminescence and tunable bandgap. Mixed-cation design can optimize lattice structures and mitigate nonradiative recombination, but mismatched crystallization and incomplete precursor conversion may intro...