Anomalous temperature dependence of exciton absorption in a mixed-type GaAs quantum well

Carey Phelps; Hailin Wang; John Prineas

doi:10.1364/QELS.2010.JThE102

Conference on Lasers and Electro-Optics 2010
OSA Technical Digest (CD) (Optica Publishing Group, 2010),
paper JThE102
•https://doi.org/10.1364/QELS.2010.JThE102

Anomalous temperature dependence of exciton absorption in a mixed-type GaAs quantum well

Carey Phelps, Hailin Wang, and John Prineas

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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Joint CLEO/QELS Poster Session III (JThE)

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C. Phelps, H. Wang, and J. Prineas, "Anomalous temperature dependence of exciton absorption in a mixed-type GaAs quantum well," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optica Publishing Group, 2010), paper JThE102.

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Abstract

Experimental studies of excitons in mixed-type quantum wells reveal surprisingly that in the presence of relatively low densities of trions and two-dimensional electron gases, the exciton absorption can increase significantly with increasing temperature.

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