Novel fibre amplifier configuration suitable for bidirectional system

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Novel fibre amplifier configuration suitable for bidirectional system

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© The Institution of Electrical Engineers
Published

A novel configuration of erbium-doped fibre amplifier, in which an optical circulator is used as the wavelength multiplexing device, is proposed and tested experimentally. The experimental results show that the proposed configuration is insensitive to reflections, and suitable for both bidirectional amplification and OTDR fault location.

Inspec keywords: time-domain reflectometry; optical communication equipment; fibre lasers; erbium; optical testing

Other keywords: bidirectional amplification; Er doped fibre amplifier; optical circulator; wavelength multiplexing device; bidirectional system; OTDR fault location; fibre amplifier configuration

Subjects: Design of specific laser systems; Fibre lasers and amplifiers; Other fibre optical devices and techniques; Optical testing techniques; Fibre optics; Optical variables measurement; Optical communication devices, equipment and systems; Optical communication; Solid lasers

References

    1. 1)
      • Y. Kimura , K. Suzuki , M. Nakazawa . 46.5 dB gain in Er3+-doped fibre amplifier pumped by 1.48 μm GaInAsP laser diodes. Electron. Lett. , 1656 - 1657
    2. 2)
      • R.I. Laming , D.N. Payne . Noise characteristics of an erbiumdoped fibre amplifier pumped at 980 nm. IEEE Photonics Technol. Lett. , 418 - 421
    3. 3)
      • Sato, Y., Nishi, S., Aoyama, K.: `OTDR in optical amplifier transmission systems using EDFAs containing optical circulators', 2nd Topical meeting on Optical Amplifiers and Their Applications, Colorado, 13, Tech. Dig. FE1-1.
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