Ruixin Song, Donglei Zhou, Renhuan Song, Yuqi Wang, Jiyuan Guo, Shangwei Zhou, Enhui Wang, Wei Li, Tingting Zhou, Xue Bai, Hongwei Song. "Circularly Polarized 1540 nm Short‐Wave Infrared Electroluminescence from Er‐Based Halide LEDs with 3.06% Record Efficiency." Advanced Materials, 2026. doi:10.1002/adma.73399