Flattening of erbium-doped fibre amplifier gain spectrum using an acousto-optic tunable filter |
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| Authors: | Su S.F. Olshansky R. Smith D.A. Baran J.E. |
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| Affiliation: | GTE Laboratories Inc., Waltham, MA, USA; |
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| Abstract: | An acousto-optic tunable filter is employed to flatten the gain spectrum of an erbium-doped fibre amplifier. A relatively flat gain spectrum of 15 nm in bandwidth with variations of less than 1 dB is obtained by simultaneously applying eight closely-spaced RF signals to the acousto-optic tunable filter.<> |
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