Transient gain spectroscopy of (GaIn)As quantum wells: Experiment and microscopic analysis

C. Lange; S. Chatterjee; C. Schlichenmaier; A. Thränhardt; S. W. Koch; W. W. Rühle; J. Hader; J. V. Moloney; G. Khitrova; H. M. Gibbs

doi:10.1063/1.2749438

Transient gain spectroscopy of (GaIn)As quantum wells: Experiment and microscopic analysis

C. Lange, S. Chatterjee, C. Schlichenmaier, A. Thränhardt, S. W. Koch, W. W. Rühle, J. Hader, J. V. Moloney, G. Khitrova, H. M. Gibbs

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Abstract

Transient gain measurements are performed for (GaIn)As quantum well structures. Gain up to gL=2 × 10^-3 per quantum well is observed on a time scale of several hundred picoseconds. A microscopic theory quantitatively provides theoretical support and yields the carrier density as a function of time by matching the spectral shapes and intensities to the experiment. The decay rate of the population density is found to be proportional to the carrier density, which underlines the importance of monomolecular recombination processes.

Original language	English (US)
Article number	251102
Journal	Applied Physics Letters
Volume	90
Issue number	25
DOIs	https://doi.org/10.1063/1.2749438
State	Published - 2007

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2749438

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title = "Transient gain spectroscopy of (GaIn)As quantum wells: Experiment and microscopic analysis",

abstract = "Transient gain measurements are performed for (GaIn)As quantum well structures. Gain up to gL=2 × 10-3 per quantum well is observed on a time scale of several hundred picoseconds. A microscopic theory quantitatively provides theoretical support and yields the carrier density as a function of time by matching the spectral shapes and intensities to the experiment. The decay rate of the population density is found to be proportional to the carrier density, which underlines the importance of monomolecular recombination processes.",

author = "C. Lange and S. Chatterjee and C. Schlichenmaier and A. Thr{\"a}nhardt and Koch, {S. W.} and R{\"u}hle, {W. W.} and J. Hader and Moloney, {J. V.} and G. Khitrova and Gibbs, {H. M.}",

note = "Funding Information: The authors acknowledge financial support by the Deutsche Forschungsgemeinschaft, the Optodynamics Research Centre, the senior scientist award of the Humboldt foundation, and AFOSR (F49620-02-1-0380).",

year = "2007",

doi = "10.1063/1.2749438",

language = "English (US)",

volume = "90",

journal = "Applied Physics Letters",

issn = "0003-6951",

publisher = "American Institute of Physics",

number = "25",

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TY - JOUR

T1 - Transient gain spectroscopy of (GaIn)As quantum wells

T2 - Experiment and microscopic analysis

AU - Lange, C.

AU - Chatterjee, S.

AU - Schlichenmaier, C.

AU - Thränhardt, A.

AU - Koch, S. W.

AU - Rühle, W. W.

AU - Hader, J.

AU - Moloney, J. V.

AU - Khitrova, G.

AU - Gibbs, H. M.

N1 - Funding Information: The authors acknowledge financial support by the Deutsche Forschungsgemeinschaft, the Optodynamics Research Centre, the senior scientist award of the Humboldt foundation, and AFOSR (F49620-02-1-0380).

PY - 2007

Y1 - 2007

N2 - Transient gain measurements are performed for (GaIn)As quantum well structures. Gain up to gL=2 × 10-3 per quantum well is observed on a time scale of several hundred picoseconds. A microscopic theory quantitatively provides theoretical support and yields the carrier density as a function of time by matching the spectral shapes and intensities to the experiment. The decay rate of the population density is found to be proportional to the carrier density, which underlines the importance of monomolecular recombination processes.

AB - Transient gain measurements are performed for (GaIn)As quantum well structures. Gain up to gL=2 × 10-3 per quantum well is observed on a time scale of several hundred picoseconds. A microscopic theory quantitatively provides theoretical support and yields the carrier density as a function of time by matching the spectral shapes and intensities to the experiment. The decay rate of the population density is found to be proportional to the carrier density, which underlines the importance of monomolecular recombination processes.

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Transient gain spectroscopy of (GaIn)As quantum wells: Experiment and microscopic analysis

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