Coherent open-loop optimal control of light-harvesting dynamics

Details Coherent open-loop optimal control of light-harvesting dynamics Coherent open-loop optimal control of light-harvesting dynamics

2011-03-04

arxiv.org/abs/1103.0929v1

Physics

Quantum Physics

12 pages, 15 figures

Scientific paper

We apply theoretically open-loop quantum optimal control techniques to provide methods for the verification of various quantum coherent transport mechanisms in natural and artificial light-harvesting complexes under realistic experimental constraints. We demonstrate that optimally shaped laser pulses allow to faithfully prepare the photosystem in specified initial states (such as localized excitation or coherent superposition, i.e. propagating and non-propagating states) and to probe efficiently the dynamics. These results provide a path towards the discrimination of the different transport pathways and to the characterization of environmental properties, enhancing our understanding of the role that coherent processes may play in biological complexes.

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