Optical nonlinearities in mixed type I type II GaAs/AlAs multiple quantum wells

I. Galbraith; P. Dawson; C. T. Foxon

doi:10.1103/PhysRevB.45.13499

Optical nonlinearities in mixed type I type II GaAs/AlAs multiple quantum wells

I. Galbraith, P. Dawson, C. T. Foxon

School of Engineering & Physical Sciences

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

Abstract

We demonstrate all-optical nonlinearities at low cw pump powers (mW/cm2) using a GaAs/AlAs double-quantum-well design that spatially separates photoexcited electron-hole pairs. The nonlinearities are examined over a range of temperatures and in a variety of samples. Theoretical calculations based on many-body interactions are in good agreement with the measured spectra and have been used to improve the structure design. © 1992 The American Physical Society.

Original language	English
Pages (from-to)	13499-13508
Number of pages	10
Journal	Physical Review B: Condensed Matter
Volume	45
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.45.13499
Publication status	Published - 1992

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title = "Optical nonlinearities in mixed type I type II GaAs/AlAs multiple quantum wells",

abstract = "We demonstrate all-optical nonlinearities at low cw pump powers (mW/cm2) using a GaAs/AlAs double-quantum-well design that spatially separates photoexcited electron-hole pairs. The nonlinearities are examined over a range of temperatures and in a variety of samples. Theoretical calculations based on many-body interactions are in good agreement with the measured spectra and have been used to improve the structure design. {\textcopyright} 1992 The American Physical Society.",

author = "I. Galbraith and P. Dawson and Foxon, {C. T.}",

year = "1992",

doi = "10.1103/PhysRevB.45.13499",

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issn = "0163-1829",

publisher = "American Institute of Physics",

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AU - Galbraith, I.

AU - Dawson, P.

AU - Foxon, C. T.

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N2 - We demonstrate all-optical nonlinearities at low cw pump powers (mW/cm2) using a GaAs/AlAs double-quantum-well design that spatially separates photoexcited electron-hole pairs. The nonlinearities are examined over a range of temperatures and in a variety of samples. Theoretical calculations based on many-body interactions are in good agreement with the measured spectra and have been used to improve the structure design. © 1992 The American Physical Society.

AB - We demonstrate all-optical nonlinearities at low cw pump powers (mW/cm2) using a GaAs/AlAs double-quantum-well design that spatially separates photoexcited electron-hole pairs. The nonlinearities are examined over a range of temperatures and in a variety of samples. Theoretical calculations based on many-body interactions are in good agreement with the measured spectra and have been used to improve the structure design. © 1992 The American Physical Society.

U2 - 10.1103/PhysRevB.45.13499

DO - 10.1103/PhysRevB.45.13499

M3 - Article

VL - 45

SP - 13499

EP - 13508

JO - Physical Review B: Condensed Matter

JF - Physical Review B: Condensed Matter

SN - 0163-1829

IS - 23

ER -