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We experimentally investigate transmission of 16×112 Gb/s PM-QPSK signals over an optical fiber with effective area of 134 μm 2 and attenuation of 0.162 dB/km. We demonstrate transmission over 7200 km...
Spectral hole burning (SHB) in the gain spectrum of EDFAs influences the dynamic response of EDFAs and their electronic control. A 3-level-model incorporating SHB has been derived and numerically inve...
Evolution of Commercial EDFAs     Evolution  Commercial  EDFA       2015/5/20
Erbium Doped Fiber Amplifiers (EDFAs) play crucial role in modern optical telecommunication networks. As the networks evolve, commercial EDFAs faces technical challenges that have to be solved within ...
We study transmission of 40 Gb/s signals using coherent RZ-QPSK with and without polarization multiplexing using 100km large effective area fiber-spans and dual-stage EDFAs with mid-stage dispersion c...
Using a transmission loop, we show the maximum number of cascaded conventional-EDFAs is gain-transient limited for packet transmission and demonstrate error-free, noise limited packet transmission acr...
A novel EDFA gain stabilization technique is given for low-noise WDM upstream amplification in long-reach, high-split passive optical networks. Hybrid opto-electrical feedback avoids drawbacks from kn...

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