Chin. Phys. Lett.  2022, Vol. 39 Issue (3): 034202    DOI: 10.1088/0256-307X/39/3/034202
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
Vector Spatiotemporal Solitons and Their Memory Features in Cold Rydberg Gases
Yuan Zhao1†, Yun-Bin Lei1†, Yu-Xi Xu2, Si-Liu Xu1*, Houria Triki3, Anjan Biswas4,5, and Qin Zhou6*
1School of Electronic and Information Engineering, Hubei University of Science and Technology, Xianning 437100, China
2School of International Education, Wuhan University of Technology, Wuhan 430071, China
3Radiation Physics Laboratory, Department of Physics, Faculty of Sciences, Badji Mokhtar University, P. O. Box 12, 23000 Annaba, Algeria
4Department of Physics, Chemistry and Mathematics, Alabama A&M University, Normal, AL 35762-4900, USA
5Mathematical Modeling and Applied Computation (MMAC) Research Group, Department of Mathematics, King Abdulaziz University, Jeddah 21589, Saudi Arabia
6School of Mathematical and Physical Sciences, Wuhan Textile University, Wuhan 430200, China
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Yuan Zhao, Yun-Bin Lei, Yu-Xi Xu et al  2022 Chin. Phys. Lett. 39 034202
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Abstract We propose a scheme to generate stable vector spatiotemporal solitons through a Rydberg electromagnetically induced transparency (Rydberg-EIT) system. Three-dimensional vector monopole and vortex solitons have been found under three nonlocal degrees. The numerical calculation and analytical solutions indicate that these solitons are generated with low energy and can stably propagate along the axes. The behavior of vector spatiotemporal solitons can be manipulated by the local and nonlocal nonlinearities. The results show a memory feature as these solitons can be stored and retrieved effectively by tuning the control field.
Received: 27 December 2021      Editors' Suggestion Published: 01 March 2022
PACS:  05.45.Yv (Solitons)  
  42.65.Tg (Optical solitons; nonlinear guided waves)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/39/3/034202       OR      https://cpl.iphy.ac.cn/Y2022/V39/I3/034202
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Yuan Zhao
Yun-Bin Lei
Yu-Xi Xu
Si-Liu Xu
Houria Triki
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and Qin Zhou
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