We demonstrate significant gain and output power in a semiconductor optical amplifier, indicating improved performance.
We demonstrate a high-gain 1.3 μm quantum-dot semiconductor optical amplifier employing a double-pass configuration, achieving 44.5 dB small-signal gain and 12 dBm saturation output power, while maintaining over 20 dB chip gain at 80 °C.
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Cao et al. (2025) studied this question.
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