Optical properties of stacked InGaAs sidewall quantum wires in InGaAsP/InP

D. Zhou; R. Nötzel; F.W.M. Otten, van; T.J. Eijkemans; J.H. Wolter

doi:10.1063/1.2199088

Optical properties of stacked InGaAs sidewall quantum wires in InGaAsP/InP

D. Zhou, R. Nötzel, F.W.M. Otten, van, T.J. Eijkemans, J.H. Wolter

Photonics and Semiconductor Nanophysics

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Abstract

The authors report on the optical properties of 3-fold stacked InGaAs sidewall quantum wires (QWires) with quaternary InGaAsP barriers grown on shallow-patterned InP (311)A substrates by chem. beam epitaxy. Temp. dependent photoluminescence (PL) reveals efficient carrier transfer from the adjacent quantum wells (QWells) into the QWires at low temp., thermally activated repopulation of the QWells at higher temp., and negligible localization of carriers along the QWires. Strong broadening of power dependent PL indicates enhanced state filling in the QWires compared to that in the QWells. Clear linear polarization of the PL from the QWires confirms the lateral quantum confinement of carriers. These results demonstrate excellent optical quality of the sidewall QWire structures with room temp. PL peak wavelength at 1.55 mm for applications in fiber-based optical telecommunication systems. [on SciFinder (R)]

Original language	English
Article number	103511
Pages (from-to)	103511-1/5
Journal	Journal of Applied Physics
Volume	99
Issue number	10
DOIs	https://doi.org/10.1063/1.2199088
Publication status	Published - 2006

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title = "Optical properties of stacked InGaAs sidewall quantum wires in InGaAsP/InP",

abstract = "The authors report on the optical properties of 3-fold stacked InGaAs sidewall quantum wires (QWires) with quaternary InGaAsP barriers grown on shallow-patterned InP (311)A substrates by chem. beam epitaxy. Temp. dependent photoluminescence (PL) reveals efficient carrier transfer from the adjacent quantum wells (QWells) into the QWires at low temp., thermally activated repopulation of the QWells at higher temp., and negligible localization of carriers along the QWires. Strong broadening of power dependent PL indicates enhanced state filling in the QWires compared to that in the QWells. Clear linear polarization of the PL from the QWires confirms the lateral quantum confinement of carriers. These results demonstrate excellent optical quality of the sidewall QWire structures with room temp. PL peak wavelength at 1.55 mm for applications in fiber-based optical telecommunication systems. [on SciFinder (R)]",

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AU - Zhou, D.

AU - Nötzel, R.

AU - Otten, van, F.W.M.

AU - Eijkemans, T.J.

AU - Wolter, J.H.

PY - 2006

Y1 - 2006

N2 - The authors report on the optical properties of 3-fold stacked InGaAs sidewall quantum wires (QWires) with quaternary InGaAsP barriers grown on shallow-patterned InP (311)A substrates by chem. beam epitaxy. Temp. dependent photoluminescence (PL) reveals efficient carrier transfer from the adjacent quantum wells (QWells) into the QWires at low temp., thermally activated repopulation of the QWells at higher temp., and negligible localization of carriers along the QWires. Strong broadening of power dependent PL indicates enhanced state filling in the QWires compared to that in the QWells. Clear linear polarization of the PL from the QWires confirms the lateral quantum confinement of carriers. These results demonstrate excellent optical quality of the sidewall QWire structures with room temp. PL peak wavelength at 1.55 mm for applications in fiber-based optical telecommunication systems. [on SciFinder (R)]

AB - The authors report on the optical properties of 3-fold stacked InGaAs sidewall quantum wires (QWires) with quaternary InGaAsP barriers grown on shallow-patterned InP (311)A substrates by chem. beam epitaxy. Temp. dependent photoluminescence (PL) reveals efficient carrier transfer from the adjacent quantum wells (QWells) into the QWires at low temp., thermally activated repopulation of the QWells at higher temp., and negligible localization of carriers along the QWires. Strong broadening of power dependent PL indicates enhanced state filling in the QWires compared to that in the QWells. Clear linear polarization of the PL from the QWires confirms the lateral quantum confinement of carriers. These results demonstrate excellent optical quality of the sidewall QWire structures with room temp. PL peak wavelength at 1.55 mm for applications in fiber-based optical telecommunication systems. [on SciFinder (R)]

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DO - 10.1063/1.2199088

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Optical properties of stacked InGaAs sidewall quantum wires in InGaAsP/InP

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