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A decision feedback equalizer for dispersion compensation in high speed optical transmission systems

机译:用于高速光传输系统中色散补偿的判决反馈均衡器

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We investigate a class of decision feedback equalizers, which are suitable for the equalization of dispersion effects in optical fiber channels. Since the widely used standard single mode fiber can be described by a simple linear transfer function for the optical signal, the overall system, including electrical/optical conversion and vice versa is nonlinear. We derive equalizer structures that account approximately for the nonlinear nature. These structures are investigated by simulation. An improvement of approx. 10 dB in the BER is achieved with a simple 1/sup st/ order equalizer that may be implemented at high speed systems at 10 Gb/s and beyond.
机译:我们研究了一类决策反馈均衡器,它们适合于光纤通道中色散效应的均衡。由于可以通过光信号的简单线性传递函数来描述广泛使用的标准单模光纤,因此整个系统(包括电/光转换,反之亦然)是非线性的。我们推导出均衡器结构,该结构近似说明了非线性性质。通过仿真研究了这些结构。约有改进。 BER中的10 dB是通过简单的1 / s /阶均衡器实现的,该均衡器可以在10 Gb / s或更高速率的高速系统中实现。

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