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Temperature-dependent time-resolved four-wave mixing in InGaAs quantum dots

Borri, Paola, Langbein, Wolfgang Werner, Woggon, U., Sellin, R. L., Ouyang, D. and Bimberg, D. 2002. Temperature-dependent time-resolved four-wave mixing in InGaAs quantum dots. physica status solidi (a) 190 (2) , pp. 517-521. 10.1002/1521-396X(200204)190:2<517::AID-PSSA517>3.0.CO;2-K

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Time-resolved four-wave mixing in strongly confined and electrically pumped InGaAs quantum dots is measured at different temperatures. Without electrical injection, the dephasing time of the dot ground state transition is lifetime-limited and of several hundred picoseconds at low temperature. Under electrical injection, the sum of the contributions from empty and populated dots with a relative phase shift of π is evidenced near transparency.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: Wiley
ISSN: 1862-6319
Last Modified: 15 Jul 2020 14:20

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