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Optical Studies of Individual InAs Quantum Dots in GaAs: Few-Particle Effects
Abstract
Optical emission from individual strained indium arsenide (InAs) islands buried in gallium arsenide (GaAs) was studied. At low excitation power density, the spectra from these quantum dots consist of a single line. At higher excitation power density, additional emission lines appeared at both higher and lower energies, separated from the main line by about 1 millielectron volt. At even higher excitation power density, this set of lines was replaced by a broad emission peaking below the original line. The splittings were an order of magnitude smaller than the lowest single-electron or single-hole excited state energies, indicating that the fine structure results from few-particle interactions in the dot. Calculations of few-particle effects give splittings of the observed magnitude.
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Citations
Cited by
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
Quantum technology: the second quantum revolution
Dowling, J. P., & Milburn, G. J. (2003) · Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences · doi:10.1098/rsta.2003.1227 · Cited by 1,046
Triggered Single Photons from a Quantum Dot
Santori, C., Pelton, M., Solomon, G., Dale, Y., & Yamamoto, Y. (2001) · Physical Review Letters · doi:10.1103/physrevlett.86.1502 · Cited by 928
Semiconductor quantum light sources
Shields, A. J. (2007) · Nature Photonics · doi:10.1038/nphoton.2007.46 · Cited by 900
Optical Pumping of the Electronic and Nuclear Spin of Single Charge-Tunable Quantum Dots
Bracker, A., Stinaff, E., Gammon, D., Ware, M., Tischler, J., Shabaev, A., Efros, A., Park, D., Gershoni, D., Korenev, V., et al. (2005) · Physical Review Letters · doi:10.1103/physrevlett.94.047402 · Cited by 320
Metadata
- Authors
- Landin, L., Miller, M. S., Pistol, M.-E., Pryor, C. E., & Samuelson, L.
- Venue
- Science
- Published
- 1998-04-10
- Volume
- 280
- Issue
- 5361
- Pages
- 262-264
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1996506684
- Cited by
- 305
- References
- 0
- FWCI
- 26.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- Landin, L., Miller, M. S., Pistol, M.-E., Pryor, C. E., & Samuelson, L. (1998). Optical Studies of Individual InAs Quantum Dots in GaAs: Few-Particle Effects. Science. https://doi.org/10.1126/science.280.5361.262
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