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Picosecond Study of the Exciton Gas Cooling
Author(s) -
Amand T.,
Cornet A.,
Pugnet M.,
Collet J.,
Brousseau M.,
Razbirin B. S.
Publication year - 1983
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221180114
Subject(s) - exciton , picosecond , biexciton , phonon , materials science , lattice (music) , luminescence , kinetics , pulse (music) , condensed matter physics , laser , atomic physics , optoelectronics , physics , optics , quantum mechanics , detector , acoustics
The exciton gas cooling in several materials. namely CdSe, CuI is investigated. The exciton gas temperature is measured directly from picosecond time resolved luminescence. It is shown that the cooling kinetics are well explained by emission of acoustical phonons by excitons. The lattice temperature is deduced, as well as the density of excitons created after the exciting laser pulse.