Saunders, Winston A. and Vahala, Kerry J. and Atwater, Harry A. and Flagan, Richard C. (1992) Resonance-enhanced spontaneous emission from quantum dots. Journal of Applied Physics, 72 (2). pp. 806-808. ISSN 0021-8979 http://resolver.caltech.edu/CaltechAUTHORS:SAUjap92
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Abstract
Enhanced and inhibited spontaneous emission from a pointlike quantum dot embedded in a finite dielectric sphere are treated classically. Numerical results given for a GaAs quantum dot embedded in an Al0.4Ga0.6As sphere show the spontaneous emission rate is decreased by a factor of 80 when the radius of the sphere is small compared to the wavelength of emitted light. When the radius of the sphere is comparable to the wavelength, the spontaneous emission rate depends strongly on the radius. Sharp resonances, related to Mie resonances, with enhancements up to a factor of 100, are found in some cases.
| Item Type: | Article |
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| Additional Information: | Copyright © 1992 American Institute of Physics. Received 3 January 1992; accepted 8 April 1992. Helpful discussions with Peter Sercel, John Lebens, and Charles Tsai are acknowledged. This work was supported by the NSF (CTS-8912328). |
| Subject Keywords: | QUANTUM WELL STRUCTURES, SPONTANEOUS EMISSION, RESONANCE, ALUMINUM ARSENIDES, GALLIUM ARSENIDES, WAVELENGTHS, SPHERES |
| Record Number: | CaltechAUTHORS:SAUjap92 |
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:SAUjap92 |
| Alternative URL: | http://dx.doi.org/10.1063/1.351818 |
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
| ID Code: | 10048 |
| Collection: | CaltechAUTHORS |
| Deposited By: | Archive Administrator |
| Deposited On: | 08 Apr 2008 |
| Last Modified: | 26 Dec 2012 09:56 |
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