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Researchers from the University of Technology Sydney (UTS) have demonstrated how a microcavity laser can produce energy-saving and user-safe laser emissions requiring low pump power. The work has implications for nanoscale biological applications.
As biosensing and bioimaging research seeks to look deep inside tissue to the intracellular level, miniaturizing laser devices poses significant challenges for these nanoscale biological applications. Courtesy of Jiajia Zhou. By controlling the luminescent emitters contained within individual nanoparticles to interact with one another, enabling present electrons to accumulate at specific energy levels, the research team overcame the constraint of normally low pump power’s insufficiency…