Abstract
Gallium phosphide is of increasing importance in the generation of ultrashort laser pulses due to its high index of refraction [1]. Thus the optical response of this crystal to high intensity pulses becomes increasingly of importance. Toward this end, we have investigated the interaction of a nonstationary electron-hole plasma (NEHP) , injected by two-photon absorption (TPA) of intense picosecond laser pulses, with coherently excited longitudional optical (LO) phonons.
© 1990 Optical Society of America
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