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

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Pages (from-to)	2384-2388
Number of pages	5
Journal	Physica Status Solidi (B) Basic Research
Volume	243
Issue number	10
DOIs	https://doi.org/10.1002/pssb.200668071
Publication status	Published - 1 Aug 2006
Externally published	Yes

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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.",

author = "D. Bajoni and P. Senellart and M. Perrin and A. Lema{\^i}tre and B. Sermage and J. Bloch",

year = "2006",

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T1 - Exciton dynamics in the presence of an electron gas in GaAs quantum wells

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.

U2 - 10.1002/pssb.200668071

DO - 10.1002/pssb.200668071

M3 - Article

AN - SCOPUS:33748302112

SN - 0370-1972

VL - 243

SP - 2384

EP - 2388

JO - Physica Status Solidi (B) Basic Research

JF - Physica Status Solidi (B) Basic Research

IS - 10

ER -

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

Abstract

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