Strained quantum-well laser

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A strained quantum well laser is a type of quantum-well laser, which was invented by Professor Alf Adams at the University of Surrey in 1986.[1] The laser is distinctive for producing a more concentrated beam than other quantum well lasers, making it considerably more efficient. The lasers are notable for usage in CD, DVD, and Blu-Ray drives as well as applications in supermarket barcode readers and telephone optical transmission.[1]

References

  1. ^ a b "A catalyst to our digital world: strained quantum well lasers—Full Case Study". SET squared. Universities of Bath, Bristol, Exetor, Southampton & Surray. Retrieved 2 April 2015.
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