Applied Physics B

, Volume 112, Issue 2, pp 267–278 | Cite as

Observations of Autler-Townes spatial splitting of four-wave mixing image

  • Gaoping Huang
  • Jia Sun
  • Weikang Feng
  • Jiamin Yuan
  • Zhenkun Wu
  • Mengzhe Qin
  • Yiqi Zhang
  • Yanpeng Zhang
Article

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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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Gaoping Huang
    • 1
  • Jia Sun
    • 1
  • Weikang Feng
    • 1
  • Jiamin Yuan
    • 1
  • Zhenkun Wu
    • 1
  • Mengzhe Qin
    • 1
  • Yiqi Zhang
    • 1
  • Yanpeng Zhang
    • 1
  1. 1.Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Lab of Information Photonic TechniqueXi’an Jiaotong UniversityXi’anChina

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