Observations of Autler-Townes spatial splitting of four-wave mixing image |
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| Authors: | Gaoping Huang Jia Sun Weikang Feng Jiamin Yuan Zhenkun Wu Mengzhe Qin Yiqi Zhang Yanpeng Zhang |
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| Institution: | 1. Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Lab of Information Photonic Technique, Xi’an Jiaotong University, Xi’an, 710049, China
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| Abstract: | We report the self- and external-dressed Autler-Townes (A-T) splittings of the images of the generated four-wave mixing signal (FWM) and electromagnetically induced transparency (EIT) of probe images in cascade three-level atomic system. Such spatial properties of probe and FWM signals are induced by the enhanced cross-Kerr nonlinearity. We demonstrate the controlled electromagnetically induced spatial dispersion (EISD), splitting and focusing of probe and FWM signals images by adjusting self- and external-dressing fields. Studies on such controllable A-T spatial splitting and spatial EIT effect can be very useful in applications of spatial signal processing and optical communication. |
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