Enhancement of power conversion efficiency for an L-band EDFA with a secondary pumping effect in the unpumped EDF section
FREE-DOWNLOAD J Lee, UC Ryu, SJ Ahn… – … Technology Letters, research,
Abstract—A novel structure, which utilizes detrimental back- ward amplified spontaneous emission
as a secondary pump source is suggested for a silica-based fiber amplifier, operating at a wavelength
range from 1570 to 1610 nm. By using the secondary pumping effect from the strong, .