Optimal control of ultrafast selection

K. Yokoyama*, Yoshiaki Teranishi, Y. Toya, T. Shirai, Y. Fukuda, M. Aoyama, Y. Akahane, N. Inoue, H. Ueda, K. Yamakawa, A. Yokoyama, H. Yamada, A. Yabushita, A. Sugita

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Optimal laser control for ultrafast selection of closely lying excited states, whose energy separation was smaller than the laser bandwidth, was applied on the two-photon transition of atomic cesium. Selective oxidation was carried out using pulse shaping of ultrashort laser pulses adaptively modulated in a closed loop learning system handling eight parameters representing electric field. The selectivity was measured by monitoring the two color fluorescence from the respective excited states. A pair of nearly transformed-limited pulses were obtained as an optimal pulse after fifty generations.

Original languageEnglish
Pages (from-to)9446-9449
Number of pages4
JournalJournal of Chemical Physics
Volume120
Issue number20
DOIs
StatePublished - 22 May 2004

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