Selective transition to the closely-lying states Cs(7D32) and Cs(7D52) by femtosecond laser pulses

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

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研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

A demonstration of coherent quantum control for ultrafast precise selection of closely-lying states is reported. A phase-locked pair of femtosecond laser pulses is generated through a pulse shaper to excite the ground-state cesium atom to the Cs(7D32) and Cs(7D52) states by two-photon absorption. The excited state population is measured by detecting fluorescence from each spin-orbit state. By controlling the phase-difference of the pulse pair, an ultrafast precise selection is accomplished. The contrast ratio of the maximal to minimal selection ratio exceeds 103 with the delay less than 400fs.

原文English
文章編號063404
期刊Physical Review A - Atomic, Molecular, and Optical Physics
72
發行號6
DOIs
出版狀態Published - 12月 2005

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