Three coupled ultraslow temporal solitons in a five-level tripod atomic system
Three coupled ultraslow temporal solitons in a five-level tripod atomic system
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DOI：
10.1103/physreva.81.023814
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发表时间：
2010-02
影响因子：
2.9
通讯作者：
Wen-Xing Yang;Ai-xi Chen;L. Si;K. Jiang;Xiao-xue Yang;Ray-Kuang Lee
中科院分区：
文献类型：
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作者：
Wen-Xing Yang;Ai-xi Chen;L. Si;K. Jiang;Xiao-xue Yang;Ray-Kuang Lee
提出了一种在五能级三脚架原子系统中产生三个耦合超慢光孤子的方案。我们发现，由于色散效应在弱驱动条件下的三个弱探测场的有害失真可以很好地平衡的自和交叉相位调制效应，这导致三个耦合的超低时间光孤子的时间，群速度和振幅值几乎匹配。与其他方案相比，我们的模型使用光纤，包括多色光孤子的受激拉曼散射，并产生三个耦合的超低频光孤子在一个小的传输距离小于1厘米的（1/2）拉比频率的驱动场，通常小于100 MHz。
We propose a scheme to generate three coupled ultraslow optical solitons in a five-level tripod atomic system. We show that the detrimental distortions of the three weak probe fields due to dispersion effects under weak driving conditions can be well balanced by self- and cross-phase-modulation effects, which leads to the three coupled ultraslow temporal optical solitons with the temporal, group velocity, and amplitude values nearly matched. In contrast to other schemes, our model uses optical fibers, including multichromatic optical solitons in the stimulated Raman scattering, and produces three coupled ultraslow optical solitons in a small propagation distance of less than 1 cm with (1/2) Rabi frequency of the driving field, typically less than 100 MHz.