IndiumV3, Russie, Analysis, bibRecord, 000396

The effect of an additional infrared laser on the carrier collection efficiency of InAs quantum dots

Identifieur interne : 000396 ( Russie/Analysis ); précédent : 000395; suivant : 000397

The effect of an additional infrared laser on the carrier collection efficiency of InAs quantum dots

Auteurs : RBID : Pascal:04-0267904

Descripteurs français

Pascal (Inist)
- 6180B, 7866F, 7855C, 7867H, 6182F, Etude expérimentale, Indium composé, Semiconducteur III-V, Point quantique semiconducteur, Effet faisceau laser, Extinction rayonnement, Photoluminescence, Recombinaison électron trou.

English descriptors

KwdEn :
- Electron-hole recombination, Experimental study, III-V semiconductors, Indium compounds, Laser beam effects, Photoluminescence, Radiation quenching, Semiconductor quantum dots.

Abstract

We report a micro-photoluminescence study on the influence of single and multi-quantum dots (QDs) on the exposure by a low-energy laser, in addition to the principal exciting laser. At low temperatures, the presence of the low-energy laser effectively quenches the single QD luminescence. This can be explained in terms of an induced screening of a built-in electric field, which plays an important role as a carrier capture mechanism. The influence of the low-energy laser is successively decreasing when the capture efficiency is increased either by elevated crystal temperature or by increased QD densities, full consistent with the proposed model. © 2004 American Institute of Physics.

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Pascal:04-0267904

Le document en format XML

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The effect of an additional infrared laser on the carrier collection efficiency of InAs quantum dots

The effect of an additional infrared laser on the carrier collection efficiency of InAs quantum dots

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri