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Conferences > IQEC > 1992 > PTh > PTh045
  • XVIII International Quantum Electronics Conference
  • Technical Digest Series (Optica Publishing Group, 1992),
  • paper PTh045

Temperature Dependent Optical Dephasing in Disordered Semiconductors

D. Bennhardt, V. Heuckeroth, and P. Thomas

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Abstract

Dephasing experiments on semiconductor mixed crystals reveal an unusual feature of the temperature dependence of the dephasing rate.[1] For excitations deep in the tail of localized excitons, the dephasing rate at low temperatures is smaller than that for higher energy excitations. However, the temperature dependence of the former rate is more pronounced, leading to an unexpected crossover at a certain temperature.

© 1992 IQEC

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