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Random Telegraph Signal in the Photoluminescence Intensity of a Single Quantum Dot
Abstract
We propose a model in which the time dependence of the photoluminescence intensity of a single nanosize quantum dot under cw excitation conditions shows a sequence of ``on'' and ``off'' periods similar to a random telegraph signal. In our model the off periods are the times when the dot is ionized and the luminescence is quenched by nonradiative Auger recombination. The duration of the on periods depends on the ionization rate of the dot via thermal or Auger autoionization, and depends strongly on excitation intensity. Numerical simulations reproduce the random intermittency recently observed in the photoluminescence intensity of a single CdSe quantum dot.
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Cites
Shelved optical electron amplifier: Observation of quantum jumps
Nagourney, W., Sandberg, J., & Dehmelt, H. (1986) · Physical Review Letters · doi:10.1103/physrevlett.56.2797 · Cited by 937
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Kubacka, A., Fernández-García, M., & Colón, G. (2012) · Chemical Reviews · doi:10.1021/cr100454n · Cited by 2,373
Quantum Dots and Their Multimodal Applications: A Review
Bera, D., Qian, L., Tseng, T.-K., & Holloway, P. H. (2010) · Materials · doi:10.3390/ma3042260 · Cited by 1,365
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 correlation among photons from a single quantum dot at room temperature
Michler, P., Imamoğlu, A., Mason, M. D., Carson, P. J., Strouse, G. F., & Buratto, S. K. (2000) · Nature · doi:10.1038/35023100 · Cited by 964
Blinking statistics in single semiconductor nanocrystal quantum dots
Shimizu, K. T., Neuhauser, R. G., Leatherdale, C. A., Empedocles, S. A., Woo, W. K., & Bawendi, M. G. (2001) · Physical Review B · doi:10.1103/physrevb.63.205316 · Cited by 580
Metadata
- Authors
- Efros, A. L., & Rosen, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1997-02-10
- Volume
- 78
- Issue
- 6
- Pages
- 1110-1113
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2072113905
- Cited by
- 824
- References
- 1
- FWCI
- 9.27
- Type
- journal article
- Language
- en
- Open access
- closed
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- Efros, A. L., & Rosen, M. (1997). Random Telegraph Signal in the Photoluminescence Intensity of a Single Quantum Dot. Physical Review Letters. https://doi.org/10.1103/physrevlett.78.1110
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
