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New Trends in Optical Soliton Transmission Systems pp 391–402Cite as

Broadband and Gain-Flattened Optical Fiber Amplifiers

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Part of the book series: Solid-State Science and Technology Library ((SSST,volume 5))

Abstract

Broadband and gain-flattened erbium-doped fiber amplifiers are being widely developed to meet the requirements posed by wavelength-division-multiplexed transmission systems/networks pursuing the ultimate capacity. One approach is the improvement of erbium-doped fiber itself for broader gain bandwidth or better gain flatness. In addition to the well-known aluminum-codoped silica fibers and the fluoride glass fibers, rather new materials, such as tellurite glass, or hybrid configurations which utilize two or more erbium- doped fibers with different glass compositions are being examined. Another approach is the use of gain-equalizing optical filters. One of the most promising gain equalizing techniques is the long-period fiber grating. In order to maintain the gain flatness even under variable operational conditions, control schemes of the optical fiber amplifiers are also a critical issue.

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Authors and Affiliations

  1. Sumitomo Electric Industries, Ltd., 1, taya-cho, Sakae-ku, Yokohama, 244, Japan

    M. Nishimura

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  1. M. Nishimura
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Editors and Affiliations

  1. Kochi University of Technology, Japan

    Akira Hasegawa (Research Professor, Consultant) (Research Professor, Consultant)

  2. NTT Science and Core Technology Laboratory Group, Kyoto, Japan

    Akira Hasegawa (Research Professor, Consultant) (Research Professor, Consultant)

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© 1998 Springer Science+Business Media Dordrecht

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Nishimura, M. (1998). Broadband and Gain-Flattened Optical Fiber Amplifiers. In: Hasegawa, A. (eds) New Trends in Optical Soliton Transmission Systems. Solid-State Science and Technology Library, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5141-2_27

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  • DOI: https://doi.org/10.1007/978-94-011-5141-2_27

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6161-2

  • Online ISBN: 978-94-011-5141-2

  • eBook Packages: Springer Book Archive

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