Exciton dynamics in the presence of an electron gas in GaAs quantum wells

D. Bajoni; P. Senellart; M. Perrin; A. Lemaître; B. Sermage; J. Bloch

doi:10.1002/pssb.200668071

Exciton dynamics in the presence of an electron gas in GaAs quantum wells

D. Bajoni
, P. Senellart
, M. Perrin
, A. Lemaître
, B. Sermage
, J. Bloch

Centre de Nanosciences et de Nanotechnologies
Orange Labs

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

The dynamics of excitons in a GaAs quantum well in the presence of an electron gas is investigated by time resolved photoluminescence (PL). We prove that the emission at the exciton energy originates from a real exciton population for all time delays. Moreover we show that injecting a low density electron gas strongly accelerates the exciton dynamics, by increasing the exciton formation rate.

langue originale	Anglais
Pages (de - à)	2384-2388
Nombre de pages	5
journal	Physica Status Solidi (B) Basic Research
Volume	243
Numéro de publication	10
Les DOIs	https://doi.org/10.1002/pssb.200668071
état	Publié - 1 août 2006
Modification externe	Oui

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10.1002/pssb.200668071

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title = "Exciton dynamics in the presence of an electron gas in GaAs quantum wells",

abstract = "The dynamics of excitons in a GaAs quantum well in the presence of an electron gas is investigated by time resolved photoluminescence (PL). We prove that the emission at the exciton energy originates from a real exciton population for all time delays. Moreover we show that injecting a low density electron gas strongly accelerates the exciton dynamics, by increasing the exciton formation rate.",

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AU - Bajoni, D.

AU - Senellart, P.

AU - Perrin, M.

AU - Lemaître, A.

AU - Sermage, B.

AU - Bloch, J.

PY - 2006/8/1

Y1 - 2006/8/1

N2 - The dynamics of excitons in a GaAs quantum well in the presence of an electron gas is investigated by time resolved photoluminescence (PL). We prove that the emission at the exciton energy originates from a real exciton population for all time delays. Moreover we show that injecting a low density electron gas strongly accelerates the exciton dynamics, by increasing the exciton formation rate.

AB - The dynamics of excitons in a GaAs quantum well in the presence of an electron gas is investigated by time resolved photoluminescence (PL). We prove that the emission at the exciton energy originates from a real exciton population for all time delays. Moreover we show that injecting a low density electron gas strongly accelerates the exciton dynamics, by increasing the exciton formation rate.

UR - https://www.scopus.com/pages/publications/33748302112

U2 - 10.1002/pssb.200668071

DO - 10.1002/pssb.200668071

M3 - Article

AN - SCOPUS:33748302112

SN - 0370-1972

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SP - 2384

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JO - Physica Status Solidi (B) Basic Research

JF - Physica Status Solidi (B) Basic Research

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Exciton dynamics in the presence of an electron gas in GaAs quantum wells

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