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Subluminal and superluminal propagation in Er3+ doped fiber Bragg grating

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Abstract

The method to pump the FBG written into an Er3+-doped optical fiber is proposed to decrease or increase the group velocity of a probing pulse based on the fact that a pump-induced process changes the refractive index and dispersion associated with the 4I15/2-4I13/2 transition in Er3+-doped optical fiber. The system equations are derived. The group velocity modification is numerically demonstrated and discussed with the effects of an optical pump power, fiber Bragg grating length, doping concentration of Er3+ ions, and modulation amplitude of the grating.

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Authors and Affiliations

  1. Center for photon Information Processing, and Graduate School of Information and Telecommunications, Inha University, Incheon, 402-751, South Korea

    Z. C. Zhuo & B. S. Ham

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  1. Z. C. Zhuo
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  2. B. S. Ham
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Correspondence to B. S. Ham.

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Zhuo, Z.C., Ham, B.S. Subluminal and superluminal propagation in Er3+ doped fiber Bragg grating. Eur. Phys. J. D 49, 117–121 (2008). https://doi.org/10.1140/epjd/e2008-00120-5

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  • DOI: https://doi.org/10.1140/epjd/e2008-00120-5

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