Signal detection for polarization multiplexing QAM optical coherent receivers using ESN

Yanhua Tan; Zhili Zhou; Xiukai Ruan; Yuxing Dai; Haiyong Zhu; Yaoju Zhang

doi:10.1117/12.2257948

5 January 2017 Signal detection for polarization multiplexing QAM optical coherent receivers using ESN

Yanhua Tan, Zhili Zhou, Xiukai Ruan, Yuxing Dai, Haiyong Zhu, Yaoju Zhang

Proceedings Volume 10244, International Conference on Optoelectronics and Microelectronics Technology and Application; 1024402 (2017) https://doi.org/10.1117/12.2257948
Event: International Conference on Optoelectronics and Microelectronics Technology and Application, 2016, Shanghai, China

Abstract

Coherent optical systems face two main categories of linear impairments, chromatic dispersion (CD) and polarization mode dispersion (PMD). Both CD and PMD will create large inter-symbol interference (ISI). This paper focuses on M-quadrature amplitude modulation (QAM) signal detection directly using Echo State Networks (ESN) technique for compensating (residual CD and PMD) dispersion of coherent optical systems. The proposed approach can estimate directly the input sequence at the coherent receivers, without getting the electronic equalizer coefficients and estimating optical channel impulse response. In addition, the proposed approach can guarantee a convergence within a short data packet.

Citation Download Citation

Yanhua Tan, Zhili Zhou, Xiukai Ruan, Yuxing Dai, Haiyong Zhu, and Yaoju Zhang "Signal detection for polarization multiplexing QAM optical coherent receivers using ESN", Proc. SPIE 10244, International Conference on Optoelectronics and Microelectronics Technology and Application, 1024402 (5 January 2017); https://doi.org/10.1117/12.2257948

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