半导体激光器和检测器、低损耗光纤，以及后来的光放大器的发明使得长距离传输成为现实。
The invention of semiconductor lasers and detectors, low-loss optical fiber and, later, optical amplifiers, made long-distance data transport feasible.
本发明使用一道辅助光以提升半导体光放大器的增益回复速度，进而提升半导体光放大器的饱和光功率。
The present invention utilizes an assisted beam that could improve the recovery rate and the saturation power of the SOA wavelength converter.
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