Homogeneous Linewidth Temperature Dependence of Interfacial GaAs Quantum Dots Studied with Optical 2D Fourier-Transform Spectroscopy

D. Karaiskaj; D. Karaiskaj; G. Moody; G. Moody; A. D. Bristow; M. E. Siemens; X. Dai; A. S. Bracker; D. Gammon; S. T. Cundiff; S. T. Cundiff

doi:10.1364/QELS.2010.QFD6

Conference on Lasers and Electro-Optics 2010
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper QFD6
•https://doi.org/10.1364/QELS.2010.QFD6

Homogeneous Linewidth Temperature Dependence of Interfacial GaAs Quantum Dots Studied with Optical 2D Fourier-Transform Spectroscopy

D. Karaiskaj, G. Moody, A. D. Bristow, M. E. Siemens, X. Dai, A. S. Bracker, D. Gammon, and S. T. Cundiff

Quantum Electronics and Laser Science Conference 2010

San Jose, California United States
16–21 May 2010
ISBN: 978-1-55752-889-6

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Quantum Dots (QFD)

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D. Karaiskaj, G. Moody, A. D. Bristow, M. E. Siemens, X. Dai, A. S. Bracker, D. Gammon, and S. T. Cundiff, "Homogeneous Linewidth Temperature Dependence of Interfacial GaAs Quantum Dots Studied with Optical 2D Fourier-Transform Spectroscopy," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper QFD6.

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Abstract

Optical 2D Fourier-transform spectroscopy extracts the temperature-dependent homogeneous lineshape of an ensemble of interfacial quantum dots. The asymmetric lineshape reveals that confinement and excitation-induced dephasing compete with strong exciton-phonon interactions, which dominate at higher temperature.

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