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In this paper, a comparison is made between the gain response of a quantum-dot semiconductor optical amplifier (QD-SOA) under three different pumping schemes (optical, electrical, and electro-optical). We found that under equal pumping powers, the electrical pumping scheme is more efficient than optical and electro-optical ones. Simulation results show that the electrical pumping scheme not only provides...
In this paper, the acceleration of phase recovery in quantum-dot semiconductor optical amplifiers (QD-SOAs) is investigated by employing optical pumping (OP) scheme. For this purpose, the state space theory has been used to derive a dynamic model for the QD-SOA. The derived nonlinear state space model is employed to simulate the gain and phase responses of the device. For the first time, we show that...
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