Slow vector optical solitons in a cold four-level inverted-Y atomic system
| 详细信息 | 推荐本文 | |
- 作者：L. G. Si ; W. X. Yang ; X. Y. L眉 ; J. H. Li and X. X. Yang
- 关键词：PACS 05.45.Yv Solitons ; 42.65.Tg Optical solitons ; nonlinear guided waves ; 42.50.Gy Effects of atomic coherence on propagation ; absorption ; and amplification of light ; electromagnetically induced transparency and absorption
- 刊名：The European Physical Journal D - Atomic ; Molecular and Optical Physics
- 出版时间：October, 2009
- 出版年：2009
- 期刊代码：37_1434-6060
- 类别：bus
- 卷：55
- 期：1
- 页码：161-166
- 数据来源：sp
摘要
The authors show the formation of slow temporal vector optical solitons in a cold lifetime-broadened four-level inverted-Y atomic system. We demonstrate that Maxwell’s equations for describing two orthogonally polarised components of a low intensity signal field can evolve into two coupled nonlinear Schr枚dinger equations, which results in various distortion-free temporal vector optical solitons, such as bright-bright or dark-dark vector solitons. These results are produced from the correct balance between dispersion, self- and cross-phase modulation (SPM and XPM) effects. We also show that the integrable Manakov model can be realised by adjusting the corresponding SPM, XPM and dispersion effects of this inverted-Y atomic system.