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High performance quantum dot semiconductor optical amplifiers with penalty free transmission of 10 Gb/s signal with gain of -8.2 dB and 40 Gb/s transmission with pattern-effect-free, wide open eye have been demonstrated.
This paper reports on a InAs/InGaAsP quantum dot semiconductor optical amplifiers (SOAs) operating at 1.5 μm. An SOA exhibited a fiber-to- fiber gain of 22.5 dB and a chip gain of 37 dB while maintaining the spectral gain shape with current.
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