Stable High-dimensional spatial optical solitons and vortices in an active Raman gain medium
Stable High-dimensional spatial optical solitons and vortices in an active Raman gain medium
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主动拉曼增益介质中稳定的高维空间光学孤子和涡旋
DOI:
10.7566/jpsj.84.054402
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发表时间:
2015-04
影响因子:
1.7
通讯作者:
Huang Guoxiang
中科院分区:
文献类型:
--
作者:
Li Hui-jun;Duan Yu-hua;Wen Wen;Huang Guoxiang
We propose a scheme to produce stable high-dimensional spatial optical solitons and vortices in an M-type five-level active Raman gain medium at room temperature. We derive a (2+1)-dimensional [(2+1)D] nonlinear Schrodinger (NLS) equation with a 2D trapping potential, which is contributed by an assisted field. We show that by adjusting the system parameter, the signs of the Kerr nonlinearity and the external potential can be manipulated at will. We then present three types of NLS equation, provide their soliton solutions, and analyze their stabilities. We finally discuss the differences in the soliton solutions between (2+1)D and (3+1)D systems with the same 2D trapping potential.
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DOI:
--
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