Spatial focusing of surface polaritons based on cross-phase modulation
We theoretically study the spatial focusing of surface polaritons (SPs) in a negative index metamaterial-atomic gas interface waveguide system, based on cross phase modulation (XPM) in a tripod type double electromagnetically induced transparency (EIT) scheme. In the linear region, we realize the lo...
Main Authors: | Chaohua Tan, Na Li, Datang Xu, Zhiming Chen |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2021-08-01
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Series: | Results in Physics |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S2211379721006379 |
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