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Pump-Probe Simulation Study of the Two-Exciton Manifold of Dendrimers

机译:树枝状聚合物的两个激子歧管的泵浦探针模拟研究

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摘要

The doorway window representation of sequential four wave mixing combined with the nonlinear exciton equations (NEE) is used to calculate femtosecond pump probe spectra of the dendrimeric nanostar. Direct signatures of exciton funneling and the two-exciton states are identified. The frequency-domain pump-probe signal is computed as well, showing the effects of exciton coupling and excited-state absorption. Further information obtained from different polarization configurations of the pulses with respect ot the molecular orientation is discussed.
机译:顺序四波混合的门窗窗口表示形式与非线性激子方程(NEE)相结合,用于计算树枝状纳米星的飞秒泵浦探测光谱。确定激子漏斗和两个激子状态的直接特征。还计算了频域泵浦探针信号,显示了激子耦合和激发态吸收的影响。讨论了从脉冲的不同极化构型获得的关于分子取向的更多信息。

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