Highly selective population of two excited states in nonresonant two-photon absorption
A nonresonant two-photon absorption process can be manipulated by tailoring the ultra-short laser pulse. In this paper, we theoretically demonstrate a highly selective population of two excited states in the nonresonant two- photon absorption process by rationally designing a spectral phase distribu...
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| Veröffentlicht in: | Chinese physics B 2011-08, Vol.20 (8), p.181-184 |
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| creator | Zhang, Hui Zhang, Shi-An Sun, Zhen-Rong |
| description | A nonresonant two-photon absorption process can be manipulated by tailoring the ultra-short laser pulse. In this paper, we theoretically demonstrate a highly selective population of two excited states in the nonresonant two- photon absorption process by rationally designing a spectral phase distribution. Our results show that one excited state is maximally populated while the other state population is widely tunable from zero to the maximum value. We believe that the theoretical results may play an important role in the selective population of a more complex nonlinear process comprising nonresonant two-photon absorption, such as resonance-mediated （2-~l）-three-photon absorption and （2q-1）-resonant multiphoton ionization. |
| doi_str_mv | 10.1088/1674-1056/20/8/083202 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1674-1056 |
| ispartof | Chinese physics B, 2011-08, Vol.20 (8), p.181-184 |
| issn | 1674-1056 2058-3834 |
| language | eng |
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| source | Institute of Physics Journals |
| subjects | Excitation Excitation spectra Ionization Lasers Nonlinearity Phase distribution Spectra 人口 共振多光子电离 双光子吸收 吸收过程 激发态 超短激光脉冲 非共振 高选择性 |
| title | Highly selective population of two excited states in nonresonant two-photon absorption |
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