Excitonic coupling in GaAs/GaAlAs quantum wells in an electric field

L. Via; R. T. Collins; E. E. Mendez; And W.I. Wang

doi:10.1103/PhysRevLett.58.832

Excitonic coupling in GaAs/GaAlAs quantum wells in an electric field

L. Via
, R. T. Collins
, E. E. Mendez
, And W.I. Wang

Physics and Astronomy

IBM

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

61 Scopus citations

Abstract

We have observed coupling between excited and ground states of excitons in GaAs quantum wells under an electric field. Low-temperature photoluminescence excitation spectra show peaks corresponding to excited states of the heavy-hole exciton and to the ground state of the light-hole exciton. With increasing field, the peaks converge and then they show anticrossing and share their oscillator strengths. As a result of this interaction, fine structure attributed to the 2p state of the heavy-hole exciton is resolved.

Original language	English
Pages (from-to)	832-835
Number of pages	4
Journal	Physical Review Letters
Volume	58
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.58.832
State	Published - 1987

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10.1103/PhysRevLett.58.832

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title = "Excitonic coupling in GaAs/GaAlAs quantum wells in an electric field",

abstract = "We have observed coupling between excited and ground states of excitons in GaAs quantum wells under an electric field. Low-temperature photoluminescence excitation spectra show peaks corresponding to excited states of the heavy-hole exciton and to the ground state of the light-hole exciton. With increasing field, the peaks converge and then they show anticrossing and share their oscillator strengths. As a result of this interaction, fine structure attributed to the 2p state of the heavy-hole exciton is resolved.",

author = "L. Via and Collins, \{R. T.\} and Mendez, \{E. E.\} and Wang, \{And W.I.\}",

year = "1987",

doi = "10.1103/PhysRevLett.58.832",

language = "English",

volume = "58",

pages = "832--835",

journal = "Physical Review Letters",

issn = "0031-9007",

number = "8",

}

TY - JOUR

T1 - Excitonic coupling in GaAs/GaAlAs quantum wells in an electric field

AU - Via, L.

AU - Collins, R. T.

AU - Mendez, E. E.

AU - Wang, And W.I.

PY - 1987

Y1 - 1987

N2 - We have observed coupling between excited and ground states of excitons in GaAs quantum wells under an electric field. Low-temperature photoluminescence excitation spectra show peaks corresponding to excited states of the heavy-hole exciton and to the ground state of the light-hole exciton. With increasing field, the peaks converge and then they show anticrossing and share their oscillator strengths. As a result of this interaction, fine structure attributed to the 2p state of the heavy-hole exciton is resolved.

AB - We have observed coupling between excited and ground states of excitons in GaAs quantum wells under an electric field. Low-temperature photoluminescence excitation spectra show peaks corresponding to excited states of the heavy-hole exciton and to the ground state of the light-hole exciton. With increasing field, the peaks converge and then they show anticrossing and share their oscillator strengths. As a result of this interaction, fine structure attributed to the 2p state of the heavy-hole exciton is resolved.

UR - https://www.scopus.com/pages/publications/35949014168

U2 - 10.1103/PhysRevLett.58.832

DO - 10.1103/PhysRevLett.58.832

M3 - Article

AN - SCOPUS:35949014168

SN - 0031-9007

VL - 58

SP - 832

EP - 835

JO - Physical Review Letters

JF - Physical Review Letters

IS - 8

ER -

Excitonic coupling in GaAs/GaAlAs quantum wells in an electric field

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