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本文分析了PSA的基本原理,采用OptiSystem软件对相位敏感放大器进行了仿真,成功实现了DPSK信号的全光再生,并绘制出只有相位噪声,幅度噪声,二者均存在三种情况下各自的误码率曲线。证明了PSA对相位噪声与幅度噪声都具有较强的压制作用,及相位敏感放大器不仅可以实现光信号的放大,而且可以压缩相位噪声与幅度噪声,一举三得,具有非常明显的优势。
In this paper, the basic principle of PSA is analyzed. OptiSystem software is used to simulate the phase-sensitive amplifier. All-optical regeneration of DPSK signal is successfully realized and only phase noise and amplitude noise are plotted. Bit rate curve. It is proved that PSA has a strong suppression effect on both phase noise and amplitude noise. The phase sensitive amplifier can not only amplify the optical signal but also compress the phase noise and the amplitude noise.