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Sharp-Line Photoluminescence and Two-Photon Absorption of Zero-Dimensional Biexcitons in a GaAs/AlGaAs Structure
Abstract
Using a micron-sized photoluminescence (PL) probe enables us to study single islandlike interface defects of a thin GaAs/AlGaAs quantum well. The bound exciton ground state locally emits a distinct sharp line. With increasing excitation of this quantum dot level additional transition lines emerge at lower energy. They are attributed to localized biexciton states. The biexciton correlation energy is about 4 meV. A distinct two-photon resonant absorption peak of the biexciton ground state is observed in PL excitation spectroscopy. Its linewidth is only about 30 \ensuremath{\mu}eV. The spectra and their polarization properties are discussed on the basis of a discrete level scheme and the Pauli exclusion principle.
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Citations
Cited by
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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
Vacuum Rabi splitting in semiconductors
Khitrova, G., Gibbs, H. M., Kira, M., Koch, S. W., & Scherer, A. (2006) · Nature Physics · doi:10.1038/nphys227 · Cited by 991
Coherent properties of a two-level system based on a quantum-dot photodiode
Zrenner, A., Beham, E., Stufler, S., Findeis, F., Bichler, M., & Abstreiter, G. (2002) · Nature · doi:10.1038/nature00912 · Cited by 775
Self-citationStrong-coupling regime for quantum boxes in pillar microcavities: Theory
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Metadata
- Authors
- Brunner, K., Abstreiter, G., Böhm, G., Tränkle, G., & Weimann, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1994-08-22
- Volume
- 73
- Issue
- 8
- Pages
- 1138-1141
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2001454862
- Cited by
- 499
- References
- 0
- FWCI
- 12.45
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Sharp-Line Photoluminescence and Two-Photon Absorption of Zero-Dimensional Biexcitons in a GaAs/AlGaAs Structure. https://app.cochat.ai/papers/10.1103/physrevlett.73.1138
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- Brunner, K., Abstreiter, G., Böhm, G., Tränkle, G., & Weimann, G. (1994). Sharp-Line Photoluminescence and Two-Photon Absorption of Zero-Dimensional Biexcitons in a GaAs/AlGaAs Structure. Physical Review Letters. https://doi.org/10.1103/physrevlett.73.1138
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