‘Squeezing’ light into quantum dots

lasers
McGill University researchers have successfully amplified light with colloidal quantum dots. This had been written off by many as a scientific dead-end since, over the last 15 years, repeated quantum dot research efforts failed to deliver on expected improvements in amplification. However, after extensive research, Professor Patanjali (Pat) Kambhampati and colleagues at the Department of Chemistry determined that colloidal quantum dots do indeed amplify light as promised. The earlier disappointments were due to accidental roadblocks, not by any fundamental law of physics, the researchers said. This breakthrough has enormous potential significance for the future of laser technology, and by extension, for telecommunications, next-generation optical computing and an innumerable array of other applications. Read more online:

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