Optimal control of ground-state dynamics in polymers

Zeidler, D.; Frey, S.; Wohlleben, W.; Motzkus, M.; Busch, F.; Chen, T.; Kiefer, W.; Materny, A.

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Optimal control of ground-state dynamics in polymers

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Zeidler, D.
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

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Frey, S.
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

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Wohlleben, W.
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

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Motzkus, M.
Laser Chemistry, Max Planck Institute of Quantum Optics, Max Planck Society;

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Citation

Zeidler, D., Frey, S., Wohlleben, W., Motzkus, M., Busch, F., Chen, T., et al. (2002). Optimal control of ground-state dynamics in polymers. Journal of Chemical Physics, 116(12), 5231-5235. Retrieved from http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JCPSA6000116000012005231000001&idtype=cvips&gifs=Yes.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-C237-2

Abstract

Coherent control of the vibrational dynamics in crystalline polydiacetylene is demonstrated by tailoring the Stokes pulse of a coherent anti-Stokes Raman scattering (CARS) setup in a feedback-controlled self-learning loop. The feedback signal is derived from the spectral distribution of the CARS signal. Controlled excitation of one mode and simultaneous extinction of all other modes with high efficiency is demonstrated. In addition, the relative phases of the three normal modes have been controlled allowing excitations of local modes and suggesting the possibility of ground state reaction control. (C) 2002 American Institute of Physics.