) and Cs(7
) by femtosecond laser pulsesYamada, Hidetaka; Yokoyama, Keiichi 
; Teranishi, Yoshiaki*; Sugita, Akihiro; Shirai, Toshizo*; Aoyama, Makoto; Akahane, Yutaka; Inoue, Norihiro*; Ueda, Hideki*; Yamakawa, Koichi; Yokoyama, Atsushi; Kawasaki, Masahiro*; Nakamura, Hiroki*
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(7) and Cs(7) 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 10
with the delay less than 400 fs.
Language |
: | English |
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Volume |
: | 72 |
Number |
: | 6 |
Pages |
: | p.063404_1 - 063404_5 |
Publication Year/Month |
: | 2005/12 |
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Article of JAEA R&D Review |
: | Demonstration of Ultrafast Selective Excitation with Quantum Interference; Toward a New Method of Isotope Separation[ |
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