'Squeezing' light into quantum dots

(PhysOrg.com) -- `Quantum wells have been instrumental in telecommunications, enabling light amplification,` Patanjali Kambhampati tells PhysOrg.com, `but theory has suggested that a very small - colloidal - quantum dot could amplify light even better than a quantum well. There have been problems, however, in getting lasers to work properly with colloidal quantum dots, so focus has shifted to other types of structures.`

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