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Phys. Rev. Lett. 74, 3360–3363 (1995)

Quantum Control of Wave Packet Evolution with Tailored Femtosecond Pulses

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Bern Kohler, Vladislav V. Yakovlev, Jianwei Che, Jeffrey L. Krause, Michael Messina, and Kent R. Wilson
Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0339

Nikolaus Schwentner
Department of Physics, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin, Germany

Robert M. Whitnell
Department of Chemistry, Guilford College, Greensboro, North Carolina 27410

YiJing Yan
Department of Chemistry, Hong Kong University of Science and Technology, Kowloon, Hong Kong

Received 2 December 1994; published in the issue dated 24 April 1995

Using theory to guide the choice of pulse shape, we have synthesized frequency-chirped laser pulses and used them to control the evolution of vibrational wave packets on the B excited state of iodine. A negatively chirped pulse produces a wave packet at the target time localized about an internuclear position and momentum of our choice. An approximately time-reversed pulse, however, produces a delocalized wave packet. The experimental results are in very good qualitative agreement with quantum simulations.

© 1995 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.74.3360
DOI:
10.1103/PhysRevLett.74.3360
PACS:
33.80.-b, 32.80.Qk, 42.50.Vk