Abstract
The generation of high density free carriers in intrinsic and doped indium antimonide was studied with picosecond CO2 laser pulses. It was found that a very dense electron-hole plasma could be generated despite a large Burstein bandgap shift. The interaction of this dense plasma with the laser pulse was highly dynamic and nonlinear. In this paper, we shall present a consistent explanation of the observed nonlinear reflection and transmission thresholds prior to the onset of melting and damage. The computation involved the interaction of dynamic Burstein shift, Keldysh tunneling, thermal runaway heating and two-photon absorption.
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References
M. Hasselbeck and H.S. Kwok, Appl. Phys. Lett. 41, 1138 (1982).
L.V. Keldysh, Soy. Phys. JETP 20, 1307 (1964).
M. Hasselbeck, M. Sheikbahae, P. Mukherjee and H.S. Kwok, to be published.
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© 1984 Springer-Verlag Berlin Heidelberg
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Sheikbahae, M., Mukherjee, P., Hasselbeck, M., Kwok, H.S. (1984). High Density Carrier Generation in Indium Antimonide. In: Auston, D.H., Eisenthal, K.B. (eds) Ultrafast Phenomena IV. Springer Series in Chemical Physics, vol 38. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82378-7_58
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DOI: https://doi.org/10.1007/978-3-642-82378-7_58
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