Picosecond Investigations Of High-Density Carrier Dynamics In Alloy Semiconductors

Thomas F. Boggess; H. Kalt; K. Bohnert; D. P. Norwood; Arthur L. Smirl; Irnee D'Haenens

doi:10.1117/12.940861

3 August 1987 Picosecond Investigations Of High-Density Carrier Dynamics In Alloy Semiconductors

Thomas F. Boggess, H. Kalt, K. Bohnert, D. P. Norwood, Arthur L. Smirl, Irnee D'Haenens

Proceedings Volume 0793, Ultrafast Laser Probe Phenomena in Bulk and Microstructure Semiconductors; (1987) https://doi.org/10.1117/12.940861
Event: Advances in Semiconductors and Semiconductor Structures, 1987, Bay Point, FL, United States

Abstract

We examine the influence of dense electron-hole plasmas on the optical properties of AlxGa1-xAs for a variety of x-values using transient transmission spectroscopy and time-resolved photoluminescence. The measurements provide evidence for band-filling, nonlinear refraction, induced absorption, alloy disorder, and band-gap renormalization. The band gap renormalization is compared to existing theory, and good agreement is obtained by considering the influence of alloy disorder and the separate contributions of exchange and correlation.

Citation Download Citation

Thomas F. Boggess, H. Kalt, K. Bohnert, D. P. Norwood, Arthur L. Smirl, and Irnee D'Haenens "Picosecond Investigations Of High-Density Carrier Dynamics In Alloy Semiconductors", Proc. SPIE 0793, Ultrafast Laser Probe Phenomena in Bulk and Microstructure Semiconductors, (3 August 1987); https://doi.org/10.1117/12.940861

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