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46.5 dB gain in Er3+-doped fibre amplifier pumped by 1.48 μm GaInAsP laser diodes

46.5 dB gain in Er3+-doped fibre amplifier pumped by 1.48 μm GaInAsP laser diodes

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© The Institution of Electrical Engineers
Published

An optical gain as high as 46.5 dB was obtained in an Er3+-doped fibre amplifier with pump power of 133 mW by a combination of broadband laser diodes at 1.48 μm. A gain coefficient of 0.76 dB/mW for the pump and a maximum output power of +15·1 dBm (32.4 mW) have also been achieved.

Inspec keywords: optical pumping; optical fibres; optical communication equipment; erbium; laser transitions; solid lasers

Other keywords: broadband laser diodes; GaInAsP; 32.4 mW; 133 mW; 46.5 dB; SiO2-GeO2:Er3+; Er3+-doped fibre amplifier; 1.48 micron; semiconductor laser pump; optical gain

Subjects: Optical communication; Design of specific laser systems; Solid lasers; Fibre optics; Other fibre optical devices and techniques; Optical communication devices, equipment and systems; Lasing action in other solids

References

    1. 1)
      • R.I. Laming , M. Farries , P.R. Morkel , D.N. Payne , P.L. Scrivener , F. Fontana , A. Righetti . Efficient pump wavelength of erbium-doped fibre optical amplifier. Electron. Lett. , 12 - 14
    2. 2)
      • Snitzer, E., Po, H., Hakimi, F., Tumminelli, R., McCollum, B.C.: `Erbium fibre laser amplifiers at 1.55 μm with pump at 1.49 μm and Yb sensitized Eroscillator', Paper PD–2, OFC '88, 1988, New Orleans, USA.
    3. 3)
      • J.L. Zyskind , J.R. Shimpson , C.R. Giles , E. Desurvire . (1989) Optimization of erbium-doped fibre amplifiers pumped near 1.5μm, Proc. SPIE Fibre laser sources and amplifiers.
    4. 4)
      • Desurvire, E., Giles, C.R., Shimpson, J.R., Zyskind, J.L.: `Efficient erbium-doped fibre amplfire at λ = 1.53 μm with high output saturation power', PD–2, CLEO '89, 1989, Baltimore, USA.
    5. 5)
      • M. Nakazawa , Y. Kimura , K. Suzuki . Efficient Er3+-doped optical amplifier pumped by a 1.48 μm InGaAsP laser diode. Appl. Phys. Lett. , 295 - 297
    6. 6)
      • Laming, R.I., Shah, L., Curtis, L., Vodhanel, R.S., Barnes, W.L., Minelly, J.D., Bour, D.P., Tarbox, E.J.: `Highly efficient 978 nm diode pumped erbium-doped fibre amplifier with 24bB gain', 7th IOOC '89, 1989, Japan.
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