Over the past two decades, researchers have tried mightily to enhance silicon’s ability to emit light. Yet electrically pumped silicon lasers remain tantalizingly out of reach. These authors describe how the approaches that have been tried so far might be successfully combined.
© 2008 Optical Society of America
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Jeffrey M. Shainline and Jimmy Xu, "Directly Pumped Silicon Lasers," Optics & Photonics News 19(5), 34-39 (2008)