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首页> 外文期刊>Optics Letters >Enhancing the Kramers-Kronig receiver via dispersion-based spatial diversity
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Enhancing the Kramers-Kronig receiver via dispersion-based spatial diversity

机译：通过基于色散的空间分集增强KRamers-Kronig接收器

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摘要

We report a scheme for reconstructing the complex envelope of an optical signal from two decorrelated measurements of its intensity. The decorrelation is achieved by splitting the received optical signal into two copies, and by dispersing one of the copies prior to photo detection. The reconstructed complex-valued signal is obtained by means of an iterative algorithm that requires only a few tens of iterations. The starting point of the search procedure is produced by Kramers-Kronig (KK) reconstruction. With this procedure, the continuous-wave tone that accompanies the received signal is reduced by 5 dB to 6 dB compared to the requirement of a KK receiver alone. (C) 2020 Optical Society of America
机译：我们报告了一种重构光信号的复杂包络的方案，从其强度的两个去相关测量。 通过将接收的光信号分成两个副本来实现去相关，并且通过在照片检测之前分散其中一个副本来实现。 通过仅需要几十次迭代的迭代算法获得重建的复值信号。 搜索程序的起点是由Kramers-Kronig（KK）重建产生的。 利用该过程，与单独的KK接收器的要求相比，伴随接收信号的连续波音减少了5 dB至6dB。 （c）2020美国光学学会

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