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Optica Publishing Group
  • Journal of the Optical Society of Korea
  • Vol. 12,
  • Issue 3,
  • pp. 192-195
  • (2008)

Spatial Information Transfer with a Stationary Coupling Wave in Rb Atoms

Open Access Open Access

Abstract

We report on the spatial information of a coupling laser transfer into a reflected probe laser; the transfer is achieved by means of electromagnetically induced transparency through a common excited state connected with <TEX>$5S_{1/2}-5P_{1/2}(F=1{\rightarrow}F'=2)$</TEX> in the <TEX>$^{87}Rb\;D_1$</TEX> line. When the coupling laser was spatially modulated as a stationary wave, the absorption of the probe laser was enhanced and the reflection of the probe laser was generated. When the coupling laser was spatially modulated by a mask, we observed that the reflection light of the probe laser was modulated as the shape of the mask. The Bragg reflection transferred the spatial information of the coupling laser. The reflection was approximately 7% of the incident power of the probe laser.

© 2008 Optical Society of Korea

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