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Cascade amplification scheme with control of the amplified pulse spectral width

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Abstract

We propose a new multistage fiber amplifier based on optical fibers with varying normal group velocity dispersion (GVD). Amplification is performed in the fiber sections with exponential growth of the normal dispersion. Amplification sections are altered by the sections of passive fibers with the decreasing normal GVD. The pulse chirp in dispersion decreasing fibers can be adjusted by the increment of dispersion variation enabling control of the pulse spectral width to keep it within an amplification band. To illustrate this concept numerical simulations are performed.

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Acknowledgments

The present work was supported by the Ministry of Education and Science of the Russian Federation (project RFMEFI57414X0057 and State Task). A.A. Sysoliatin is supported by RSF (project # 14-12-01338).

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Authors and Affiliations

  1. Ulyanovsk State University, L.Tolstoy str. 42, Ulyanovsk, 432000, Russia

    D. A. Korobko, V. A. Lapin & I. O. Zolotovskii

  2. General Physics Institute of RAS, Vaviliov str. 38, Moscow, 119338, Russia

    A. A. Sysolyatin

Authors
  1. D. A. Korobko
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  2. V. A. Lapin
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  3. A. A. Sysolyatin
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  4. I. O. Zolotovskii
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Correspondence to I. O. Zolotovskii.

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Korobko, D.A., Lapin, V.A., Sysolyatin, A.A. et al. Cascade amplification scheme with control of the amplified pulse spectral width. J Opt 45, 240–246 (2016). https://doi.org/10.1007/s12596-015-0284-3

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  • DOI: https://doi.org/10.1007/s12596-015-0284-3

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