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Fine Structure of Biexciton Emission in Symmetric and Asymmetric CdSe/ZnSe Single Quantum Dots
Abstract
The influence of quantum dot (QD) asymmetry on the emission of single three-dimensionally confined biexcitons in II-VI semiconductor nanostructures has been studied by magnetophotoluminescence spectroscopy. Investigating both the biexciton and the single-exciton transition in the same single QD, we obtain a unified picture of the impact of electron-hole exchange interaction on the fine structure and the polarization properties of optical transitions in QDs. The exchange splitting is demonstrated to have a strong influence on the derivation of the biexciton binding energy, which we determine to be about 17 meV, much less than the separation between exciton and biexciton lines ( $\ensuremath{\approx}24$ meV) in the spectra.
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Cited by
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Santori, C., Fattal, D., Vučković, J., Solomon, G. S., & Yamamoto, Y. (2002) · Nature · doi:10.1038/nature01086 · Cited by 1,559
Fine structure of neutral and charged excitons in self-assembled In(Ga)As/(Al)GaAs quantum dots
Bayer, M., Ortner, G., Stern, O., Kuther, A., Gorbunov, A. A., Forchel, A., Hawrylak, P., Fafard, S., Hinzer, K., Reinecke, T. L., et al. (2002) · Physical Review B · doi:10.1103/physrevb.65.195315 · Cited by 1,083
Self-citationSemiconductor quantum light sources
Shields, A. J. (2007) · Nature Photonics · doi:10.1038/nphoton.2007.46 · Cited by 900
Scheibner, M., Schmidt, T., Worschech, L., Forchel, A., Bacher, G., Passow, T., & Hommel, D. (2007) · Nature Physics · doi:10.1038/nphys494 · Cited by 494
Self-citationEngineered quantum dot single-photon sources
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Metadata
- Authors
- Kulakovskii, V. D., Bacher, G., Weigand, R., Kümmell, T., Forchel, A., Borovitskaya, E., Leonardi, K., & Hommel, D.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1999-02-22
- Volume
- 82
- Issue
- 8
- Pages
- 1780-1783
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1964095248
- Cited by
- 387
- References
- 0
- FWCI
- 17.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Kulakovskii, V. D., Bacher, G., Weigand, R., Kümmell, T., Forchel, A., Borovitskaya, E., Leonardi, K., & Hommel, D. (1999). Fine Structure of Biexciton Emission in Symmetric and Asymmetric CdSe/ZnSe Single Quantum Dots. Physical Review Letters. https://doi.org/10.1103/physrevlett.82.1780
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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