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Effects of a Gaussian size distribution on the absorption spectra of III-V semiconductor quantum dots
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10.1063/1.2798986
/content/aip/journal/jap/102/8/10.1063/1.2798986
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/8/10.1063/1.2798986

Figures

Image of FIG. 1.
FIG. 1.

Absorption spectra of the lowest transition of the QD system corresponding to both real and ideal dots for relative standard deviation , 0.05, 0.10, and 0.20, as specified. The solid and dotted curves correspond to the realistic and ideal QD systems, respectively. The photon energy for real and ideal dots is defined by Eqs. (8) and (9). The relative absorption of the ideal and realistic dots defined as and from Eqs. (20) and (22), respectively.

Image of FIG. 2.
FIG. 2.

Absorption spectra of the lowest four transitions of the QD system corresponding to both real and ideal dots. In each of these plots, the solid and dotted lines represent the individual absorption peaks of real and ideal dots, respectively, while the closed and open circle curves correspond to their superposition. The photon energy for real and ideal dots is defined by Eqs. (8) and (9). The relative absorption of the ideal and realistic dots defined as and from Eqs. (20) and (22), respectively.

Image of FIG. 3.
FIG. 3.

Absorption spectra of the lowest four transitions of the QD system corresponding to both real and ideal dots. In each of these plots, the solid and dotted lines represent the individual absorption peaks of real and ideal dots, respectively, while the closed and open circle curves correspond to their superposition. The photon energy for real and ideal dots is defined by Eqs. (8) and (9). The relative absorption of the ideal and realistic dots defined as and from Eqs. (20) and (22), respectively.

Image of FIG. 4.
FIG. 4.

Variation of the energy difference of the absorption peak of the ideal and realistic dots with average dot size. Results of computations are presented for both and QD systems for the lowest two transitions.

Image of FIG. 5.
FIG. 5.

Variation of the linewidth of realistic QD systems on the average dot size for and 0.05. The linewidth is defined by Eq. (26), and the results of the computations are presented for both and realistic QD systems for the lowest transition.

Tables

Generic image for table
Table I.

Difference in the linewidth, , of the absorption peak of ideal and realistic and QD systems computed from Eq. (27) for and .

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/content/aip/journal/jap/102/8/10.1063/1.2798986
2007-10-22
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of a Gaussian size distribution on the absorption spectra of III-V semiconductor quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/8/10.1063/1.2798986
10.1063/1.2798986
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