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High gain Er3+ -doped fibre amplifier pumped by 820nm GaAlAs laser diodes

High gain Er3+ -doped fibre amplifier pumped by 820nm GaAlAs laser diodes

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© The Institution of Electrical Engineers
Published

An optical gain of 22 dB at 1.535 μm is obtained in an Er3+- doped fibre amplifier for a total pump power of 54 mW. The Er3+ doping concentration is 34 ppm, and the pumping source is GaAlAs laser diodes at 820 nm. By using an Er3+ fibre with a doping concentration of 390 ppm, the maximum gain is as high as 29.4 dB for a pump power of 83 mW.

Inspec keywords: germanate glasses; laser transitions; solid lasers; silicon compounds; optical pumping; erbium; optical fibres; optical communication equipment; fibre optics

Other keywords: pump power; 1.535 micron; pumping source; Er3+-doped fibre amplifier; 820 nm; GaAlAs laser diodes; GeO2-SiO2:Er3+; 22 to 29.4 dB; optical fibre communication; solid laser; 54 to 83 mW

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

References

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      • Whitley, T.J., Hodgkinson, T.G.: `1.54 μ Er', Proc. ECOC'88, 1988, Brighton, UK, p. 58–61.
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