Abstract
We perform closed- and open-loop coherent control experiments of the photodissociation of triiodide (I3 −) in ethanol using shaped UV pulses. In the regime where the relative diiodide (I2 −) yield is excitation-independent, we observe a symmetrical second-order chirp dependence of the I2 − yield, and that the I2 − production can be controlled within 40 % by varying the second-order chirp of the pump pulse. We show that additional pathways involving higher-lying potential energy surfaces are viable means to explain such observations.
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Acknowledgments
This work was supported by the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) and the Hamburg Center for Ultrafast Imaging (CUI).
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Xian, R., Prokhorenko, V.I., Field, R.L., Dwayne Miller, R.J. (2015). Coherent Control of the Photodissociation of Triiodide in Solution Reveals New Pathways. In: Yamanouchi, K., Cundiff, S., de Vivie-Riedle, R., Kuwata-Gonokami, M., DiMauro, L. (eds) Ultrafast Phenomena XIX. Springer Proceedings in Physics, vol 162. Springer, Cham. https://doi.org/10.1007/978-3-319-13242-6_93
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DOI: https://doi.org/10.1007/978-3-319-13242-6_93
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