The absorption of polarized light imparts a transient anisotropy on GaAs due to the preferential orientational excitation of electron-hole pairs. We present a series of experiments designed to measure the relaxation of the wavevector orientation of these photoexcited electron-hole pairs. © 1985.
Oudar, J. L., Abram, I., Migus, A., Hulin, D., & Etchepare, J. (1985). Transient anisotropy effects in the absorption saturation of GaAs. Journal of Luminescence, 30(1–4), 340–354. https://doi.org/10.1016/0022-2313(85)90064-X