1992 · 11 citations · 1 references
EngineeringElectrical EngineeringOptical MaterialsOpticsOptoelectronicsFiber OpticsFiber-optic CommunicationOptical AmplifiersOptical Communication SystemsOptical FibersRare-earth-doped MaterialsErbium-doped Fiber AmplifiersOptical Gain MaterialsRare-earth-doped AmplifiersSmall-signal Gain
As still higher gains in erbium-doped fiber amplifiere (EDFAs) are reported (see, e.g., Ref. 1 reporting a gain of 49 dB), it becomes increasingly interesting to identify the ultimate limit to the gain in EDFAs and the causes for it.
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