It can be improving second-order nonlinear optical properties by optimization of porphyrin dimer dipole orientation and dipole coupling effect.

研究表明，通过优化双卟啉二聚体分子偶极取向和偶极耦合增强的效应可以提高二阶非线性光学性能。

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The results show that they relate to the dipole-dipole coupling strength between two atoms and atom-field coupling constant and nonlinear coefficient of field.

结果表明，它们与原子间的偶极相互作用、原子和光场的耦合系数以及非线性耦合系数有关。

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The time evolution of atomic dipole squeezing in the intensity-dependent coupling interaction between squeezing vacuum state and V-type three-level atom is studied using the quantum theory.

利用全量子理论，研究了压缩真空场与V型三能级原子依赖强度耦合作用系统中原子的偶极压缩效应。

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