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Laser technology

Less excitement for more gain

In theory, semiconductor nanocrystals are highly suitable laser materials, not least because the colour of their light is tunable over a wide range. In practice, they are difficult — but not impossible — to deal with.

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Figure 1: Splitting the exciton.


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Krauss, T. Less excitement for more gain. Nature 447, 385–386 (2007).

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