Femtosecond photon echoes in molecular aggregates

被引：96

作者：

Meier, T ^{[1
]}

Chernyak, V ^{[1
]}

Mukamel, S ^{[1
]}

机构：

[1] UNIV ROCHESTER,ROCHESTER THEORY CTR OPT SCI & ENGN,ROCHESTER,NY 14627

来源：

JOURNAL OF CHEMICAL PHYSICS | 1997年 / 107卷 / 21期

关键词：

D O I：

10.1063/1.475169

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two-pulse four-wave-mixing signals from molecular aggregates, including effects of two-exciton states, static disorder, and exciton-phonon interaction represented by arbitrary spectral densities are calculated. Three types of contributions to the signal are identified. The first, reflecting exciton self-correlation, is similar to the photon echo from disordered two-level systems and dominates the signal for long time-delays. The second is related to correlations of one-exciton states, whereas the third reflects correlations between one-and two-exciton states. The information gained by completely resolving the signal field (both amplitude and phase) is analyzed using Wigner spectrograms. (C) 1997 American Institute of Physics.

引用

页码：8759 / 8780

页数：22

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