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Vishesha Patel and Svetlana A. Malinovskaya Realization of population inversion under nonadiabatic conditions induced by the coupling between vibrational modes via Raman fields International Journal of Quantum Chemistry 112

Version of Record online: 15 JUN 2012 | DOI: 10.1002/qua.24198

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In a simplistic picture, the laser process can be approximated by a two-level system. Here, the effects of the coupling between Raman-active vibrational modes on the population transfer are investigated using two coupled two-level systems with non-degenerate ground states. The population inversion is induced by two ultrafast laser pulses having chirps equal in magnitude and opposite in sign, and thus demonstrated in a more generic case of the averaged initial relative phase.

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