Plasma-expansion induced absorption and refraction changes in ZnSe epilayers

M. Bakarezos, I. J. Blewett, I. Galbraith, A. K. Kar, B. S. Wherrett

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Abstract

A novel transient-grating technique with a well-defined and moveable optical probe is used to investigate the spatial extent of any optical changes arising from optically-driven electron-hole plasma expansion in molecular-beam-epitaxially grown ZnSe. We present experimental data demonstrating that optically-driven plasma expansion does not extend significantly beyond the originally excited area when pumped to carrier densities appropriate to lasing action in these materials (1018cm-3). © 2000 Taylor & Francis Ltd.

Original languageEnglish
Pages (from-to)1995-2004
Number of pages10
JournalJournal of Modern Optics
Volume47
Issue number11 SPEC.
Publication statusPublished - 15 Sep 2000

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    Bakarezos, M., Blewett, I. J., Galbraith, I., Kar, A. K., & Wherrett, B. S. (2000). Plasma-expansion induced absorption and refraction changes in ZnSe epilayers. Journal of Modern Optics, 47(11 SPEC.), 1995-2004.