Low-noise erbium-doped fibre amplifier operating at 1.54μm

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© The Institution of Electrical Engineers
Published 21/07/2012

Abstract

High gain amplification of up to 28 dB has been observed in a 3m-long erbium-doped fibre. The amplifier has a spectral bandwidth of greater than 300 GHz in the region of 1.536μm and a measured sensitivity of –42dBm at a bit rate of 140Mbit/s.

Inspec keywords: solid lasers; erbium; optical communication equipment; laser transitions; repeaters; fibre optics

Other keywords: 1.54 micron; Er3+:fibre laser; 28 dB; 140 Mbit/s; spectral bandwidth; 1.536 micron; 3 m; 300 GHz

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

References

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      • O'Mahony, M.J., Westlake, H.J., Marshall, I.W.: `Gain measurements on laser amplifiers for optical transmission systems at 1.5 μm', Br. Telecom Technol. J., 1985, 3, p. 25-29
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