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|Title:||Sensitive frequency dependence of the carrier-envelope phase effect on bound-bound transitions: An interference perspective|
|Citation:||Peng, D., Wu, B., Fu, P., Wang, B., Gong, J., Yan, Z.-C. (2010). Sensitive frequency dependence of the carrier-envelope phase effect on bound-bound transitions: An interference perspective. Physical Review A - Atomic, Molecular, and Optical Physics 82 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.82.053407|
|Abstract:||We investigate numerically with Hylleraas coordinates the frequency dependence of the carrier-envelope phase (CEP) effect on bound-bound transitions of helium induced by an ultrashort laser pulse of a few cycles. We find that the CEP effect is very sensitive to the carrier frequency of the laser pulse, occurring regularly even at far-offresonance frequencies. By analyzing a two-level model, we find that the CEP effect can be attributed to the quantum interference between neighboring multiphoton transition pathways, which is made possible by the broadened spectrum of the ultrashort laser pulse. A general picture is developed along this line to understand the sensitivity of the CEP effect to the laser's carrier frequency. Multilevel influence on the CEP effect is also discussed. © 2010 The American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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