Abstract
This chapter shows the potential of polarization shaping in exciting localized excitonic wavepackets. Further simulations are necessary to clarify the number of complexes to be included to repeat the experimental conditions. A coherent excitonic wavepacket is created by a shaped laser pulse in close analogy to the well-established approach to control vibrational wavepackets, which is used to break chemical bonds or to trigger conformational changes. Using a density matrix version of the optimal control theory, the first task is to localize an excitonic wavepacket at a certain chromophore in the FMO complex. Pulse shaping technology enables one to simultaneously and independently manipulate two different polarizations of the incoming laser. The potential of the polarization control is investigated in comparison to the approach with only linearly polarized light.
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