Time-resolved non-linear optical response and photo-induced carriers trapping in glassy semiconductors
Journal of Physics Conference Series(2020)
摘要
Two realisations of the pump-probe method have been used to study the time-resolved non-linear optical response of glassy chalcogenides at frequencies near their single-photon and two-photon bandgaps. Photo-excitation of gap states has been revealed as a determining effect for structural, electronic, thermal and optical changes in a glass sample.
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