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We made breakthrough of EDFA for burst-mode operation. This can be realized by refining and optimization of EDFA itself without any controlling such as AGC or optical feedback loop. Our approach was alleviation of saturation and was not compensation but mitigation. Therefore, it can be used to improve existing compensation or controlling methodology dramatically without excess cost. We showed two...
We found that an EDFA which adopted the EDF with enhanced active erbium area can mitigate short-term transient response for sub-micro seconds caused by the traffic of high speed optical packets without any external controlling.
We propose and demonstrate a polarization-insensitive dynamic-gain-transient-compensator (DGTC) for compensating EDFA-amplified-signals after dynamic optical add/drop. 15-dB receiver sensitivity improvement was achieved in the compensated channel. The DGTC can be monolithic-integrated on silicon-on-insulator (SOI) platform
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