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Excitation energy transfer in a new dye pair eosin (donor) to 1,1′,3,3,3′,3′-hexamethyl indotricarbocyanine iodide (HITCI) (acceptor) has been studied in solutions of dimethyl sulfoxide (DMSO) and polymer microparticles by picosecond time-resolved fluorescence microscopy and laser induced transient grating (LITG) techniques. There exits a large shift between the fluorescence maximum of the donor (552...
We present a study of the polariton coherent dynamics in II–VI semiconductor microcavities in the parametric scattering regime. We perform angle resolved four-wave mixing, which allows us to study the polariton dephasing within the full reciprocal space. When polaritons are excited above the threshold in the phase matching conditions for parametric scattering, we observe a very efficient scattering...
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