Abstract
The role of excitons in the laser action of ternary II–VI quantum wells is investigated. As a consequence of an increased stability due to localization on alloy disorder, bi-excitons are dominant up to temperatures clearly above 100 K. Steady-state pump-probe measurements reveal a bi-excitonic gain as large as 2.5×104 cm−1. Above 200 K, the threshold density grows steeply and the laser emission turns into electron–hole plasma recombination.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:40 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 6:33 a.m.) |
Indexed | 1 year, 4 months ago (April 7, 2024, 7:17 a.m.) |
Issued | 28 years, 10 months ago (Oct. 14, 1996) |
Published | 28 years, 10 months ago (Oct. 14, 1996) |
Published Print | 28 years, 10 months ago (Oct. 14, 1996) |
@article{Kreller_1996, title={Temperature-dependent study of optical gain in (Zn,Cd)Se/ZnSe multiple-quantum-well structures}, volume={69}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.117652}, DOI={10.1063/1.117652}, number={16}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Kreller, F. and Puls, J. and Henneberger, F.}, year={1996}, month=oct, pages={2406–2408} }