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S-band erbium-doped silica fibre amplifier with flattened-gain of over 21 dB

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3 Author(s)
Ono, H. ; NTT Photonics Labs., NTT Corp. Morinosato, Atsugi, Japan ; Yamada, M. ; Shimizu, M.

A gain-flattened erbium-doped silica fibre amplifier (EDSFA) has been developed for amplifying WDM signals in the S-band. The EDSFA exhibits a signal gain of over 21 dB, a gain excursion of less than 1.9 dB, and a noise figure of less than 6.7 dB in the 1491-1518 nm wavelength range

Published in:

Electronics Letters  (Volume:38 ,  Issue: 19 )