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Terahertz tech reveals semiconductor laser mechanism

August 15, 2018

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Lasers are commonly used as high power sources that reliably operate at a specific frequency. But how does this frequency get selected when a laser is turned on, and how quickly does this consistent transmission effect occur?

Engineers using terahertz frequency technology have started to answer these questions, having investigated this process for the first time. Their results, just published in Nature Communications, will “underpin the future development of semiconductor lasers, including those used in telecommunications systems.”

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