Improving molecular orientation by optimizing relative delay and intensities of two-color laser pulses

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Title
Improving molecular orientation by optimizing relative delay and intensities of two-color laser pulses
Author(s)
Je Hoi Mun; Sakai, H
Publication Date
2018-07
Journal
PHYSICAL REVIEW A, v.98, no.1, pp.013404 -
Publisher
AMER PHYSICAL SOC
Abstract
We numerically explore molecular orientation dynamics with moderately intense nanosecond two-color laser pulses. It is believed that the nanosecond two-color pulse can adiabatically control the molecular orientation. However, in our simulation based on the time-dependent Schrodinger equation, which naturally includes nonadiabatic effects, the orientation dynamics shows clear deviations from the adiabatic approximation (AA) results, while the molecular alignment dynamics is in good agreement with the AA results. The nonadiabaticity is significantly influenced by three parameters, the intensities, and the relative delay of the two wavelengths. In this work, we clarify the reason behind the nonadiabaticity and provide the solutions for achieving higher degrees of orientation
URI
http://pr.ibs.re.kr/handle/8788114/5243
ISSN
2469-9926
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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