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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper JSIV_2_2

Coherent internal conversion of pyrene revealed by pump-probe and ultrabroad 2D-UV spectroscopy

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Abstract

The 2D measurements on a light harvesting complex by Fleming and coworkers showed long lived oscillations [1] suggesting the existance of quantum-coherent effects in large macromolecules. In order to gain a deeper insight into these coherent phenomena, the intramolecular energy dissipation in restricted size molecules has to be investigated. Here we present a combined pump-probe and 2D-UV investigation of pyrene in solution, showing that in this molecule the coherent excitation of vibrational states survives the S2-S1 internal conversion (figure 1a).

© 2013 IEEE

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