News and Views
Nature Physics 3, 761 - 762 (2007)
doi:10.1038/nphys769
Subject Categories: Condensed-matter physics | Optical physics | Atomic and molecular physics
Quantum dots: An optical point of view
Dan Gammon1
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Dan Gammon is at the Naval Research Laboratory, Washington, DC 20375, USA.
e-mail: gammon@nrl.navy.mil
Abstract
A quantum dot is usually charged by inserting electrons. But electrons can also be removed from a neutral dot. Unexpectedly, positively charged dots are different from highly charged negative ones, which have their own peculiarities.
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