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1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications
Gain equalization of an EDFA is performed by introducing spectrally designed all-fiber filters in the midstage of a dual-stage fiber amplifier. Two types of filters are studied: a cascade of narrow-band Bragg gratings for discrete equalization of a finite number of channels and a wide-band Bragg grating performing equalization over the whole 1539 nm to 1557 nm range. In future work, it is planned to use the discrete Bragg grating configuration to simultaneously perform Dispersion compensationdoi:10.1117/12.328593 fatcat:btuxlcexxbbc7e6k27xfavtruu