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首页> 外文会议>International Conference of Computational Methods in Sciences and Engineering 2007(ICCMSE 2007); 20070925-30; Corfu(GR) >Coherent Control of Extreme Nonlinear Optical Properties of Quantum System via Ultrashort Laser Pulses
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Coherent Control of Extreme Nonlinear Optical Properties of Quantum System via Ultrashort Laser Pulses

机译：超短激光脉冲对量子系统极端非线性光学特性的相干控制

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摘要

We investigate the extreme nonlinear optical properties of quantum system driven by ultrashort laser pulses by solving the one and two dimensional, full-wave Maxwell-Bloch coupled equations. We find that the near-dipole-dipole (NDD) interactions have a crucial influence on the absolute phase of few-cycle laser pulses. The difference of the absolute phase between the cases with and without NDD effects can go up to n. Moreover, a novel ultrafast transient population grating induced by a two-dimensional, ultrashort dipole soliton is demonstrated. The number of lines and the period of the grating can be controlled by the beam waist and the area of the pulse.
机译：我们通过求解一维和二维全波麦克斯韦-布洛赫耦合方程，研究了由超短激光脉冲驱动的量子系统的极端非线性光学性质。我们发现，近偶极子-偶极子（NDD）相互作用对几周期激光脉冲的绝对相位具有至关重要的影响。具有和不具有NDD效应的情况之间的绝对相位差可高达n。此外，还展示了一种由二维超短偶极子孤子诱导的新型超快速瞬态种群光栅。光栅的线数和周期可以通过束腰和脉冲面积来控制。

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