Influence of Noise on the Signal Quality of Quantum-Dot Semiconductor Optical Amplifiers

Influence of Noise on the Signal Quality of Quantum-Dot Semiconductor Optical Amplifiers
复制标题

噪声对量子点半导体光放大器信号质量的影响

DOI:
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发表时间:
2013
影响因子:
4.9
通讯作者:
K. Ludge
K. Ludge
中科院分区:
工程技术2区
文献类型:
--
作者:
S. Wilkinson;B. Lingnau;J. Korn;E. Scholl;K. Ludge

文献摘要

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我们使用半导体光布洛赫方程的方法结合电场的行波方程,探讨量子点(QD)半导体光放大器的信号质量的噪声的影响。使用随机白色噪声源的量子点内的自发辐射,我们可以表明,有一个放大性能和信号质量之间的权衡。然而,存在优化的操作条件,并针对各种输入信号进行讨论。
We use a semiconductor optical Bloch equation approach combined with a traveling wave equation for the electric field to explore the effect of noise on the signal quality of a quantum-dot(QD) semiconductor optical amplifier. Using a stochastic white noise source for the spontaneous emission inside the QDs, we can show that there is a tradeoff between amplification performance and signal quality. Nevertheless, optimized operation conditions exist and are discussed for various input signals.