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Single-dot optical emission from ultralow density well-isolated InP quantum dots
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10.1063/1.2996004
/content/aip/journal/apl/93/14/10.1063/1.2996004
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/14/10.1063/1.2996004

Figures

Image of FIG. 1.
FIG. 1.

AFM images of three samples grown at different growth rates. (a) 0.015 ML/s . (b) 0.006 ML/s . [(c)–(d)] 0.01 ML/s .

Image of FIG. 2.
FIG. 2.

emission for sample Fig. 1(a). (a) The sharp peaks 650–710 nm shows resolvable QD density. The peak at 645 nm is due to the InP wetting layer (grating:150). (b) Sharp features of single QD with 0.1 nm FWHM are resolved (exposure time: 2s, temperature: 4 K, NA:0.7).

Image of FIG. 3.
FIG. 3.

(a) Saturation curve for single QD on sample Fig. 1(b). (b) Single QD emission with excitation power.

Tables

Generic image for table
Table I.

Density of QDs with different InP growth rates.

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/content/aip/journal/apl/93/14/10.1063/1.2996004
2008-10-09
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Single-dot optical emission from ultralow density well-isolated InP quantum dots
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/14/10.1063/1.2996004
10.1063/1.2996004
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