Development and applications of spatial and temporal optimal control simulation with pulse propagation

我们已经开发了利用拉曼跃迁的控制方案，可以通过使用非共振激光脉冲将吸收引起的不良影响降至最低。针对在分子固定框架实验之前必不可少的旋转控制，我们提出/发展了偏振控制以使分子在特定方向上排列，分子取向控制通过排列而大大增强，利用旋转波包运动的同位素分离，以及特定脉冲幅度/通量的最优控制模拟算法。作为振动拉曼跃迁的一种应用，还研究了强激光脉冲诱导的量子干涉信号。我们开发了自己的计算脉冲传输的原始程序，并阐明了当使用非共振激光脉冲时，传输后的同位素分离的有效性。

We have developed control schemes that utilize Raman transitions, which can minimize undesirable effects due to absorption by using non-resonant laser pulses. Focusing on the rotational control, which is essential prior to molecular-fixed-frame experiments, we have proposed/developed the polarization control to align molecules in a specified direction, the molecular orientation control highly enhanced by alignment, isotope separation that utilize rotational wave packet motion, and pulse-amplitude/fluence-specified optimal control simulation algorithms. As an application of vibrational Raman transitions, quantum interference signals induced by strong laser pulses are also examined. We developed our own original codes to calculate pulse propagation, and clarified the effectiveness of the isotope separation after propagation when we use non-resonant laser pulses.