Traditional lasers typically rely on fixed gain media and external microcavity structures (such as Fabry-Perot cavities, photonic crystals, whispering galleries, etc.). Although these structures can ...

State Key Laboratory of Flexible Electronics (LoFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), Nanjing 211816 ...

QDs were coupled into the microcavity, and a laser pump was used to excite the QDs to their multi-excitonic states. The red and green emissions from the multi-excitonic emission spectrum of QDs ...