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Long span coherent transmission with erbium ytterbium doped fibre power amplifier over a 70 dB loss budget

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4 Author(s)
Farries, M.C. ; GEC Marconi Mater. Technol. Ltd., Towcester, UK ; Park, C.A. ; Grubb, S.G. ; Leilabady, P.A.

A combination of a high power Er/Yb fibre optic amplifier and a coherent transmission system are used to achieve very large optical link loss budgets of 70 dB at 167 Mbit/s and 67 dB at 622 Mbit/s. A transmit power of +18.2 dBm was launched into low loss optical fibre without evidence of stimulated Brillouin scattering.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 5 )