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Publication Detail
Frequency Diversity MIMO Detection for DP- QAM Transmission
  • Publication Type:
    Journal article
  • Publication Sub Type:
  • Authors:
    Sato M, Maher R, Lavery D, Shi K, Thomsen BC, Bayvel P
  • Publication date:
  • Pagination:
    1388, 1394
  • Journal:
    Lightwave Technology, Journal of
  • Volume:
  • Article number:
  • Print ISSN:
  • Notes:
    keywords: MIMO communication;channel spacing;optical crosstalk;optical fibre polarisation;optical filters;optical modulation;quadrature amplitude modulation;quadrature phase shift keying;signal detection;wavelength division multiplexing;DP-QPSK back-to-back configuration;Q2-factor;WDM channel;channel spacing;dual carrier DP-16QAM transmission system;dual polarization quadrature amplitude modulation;dual polarization quadrature phase shift keying;frequency diversity MIMO detection;frequency diversity multiple input multiple output detection;linear crosstalk mitigation;modulation format;optical filtering;single-mode fiber;three-channel FD-MIMO equalization;wavelength division multiplexing;Band-pass filters;Channel spacing;Crosstalk;Optical filters;Optical pulse shaping;Optical transmitters;Receivers;Coherent;Multi channel equalizer;coherent;digital signal processing (DSP);multi channel equalizer;multi-input-multi-output (MIMO);optical transmission;quadrature amplitude modulation (QAM);spectral efficiency (SE);wavelength division multiplexing (WDM)
Dual-carrier 10-GBaud DP-16QAM transmission system with frequency diversity multiple-input multiple-output (FD-MIMO) detection is described. In transmission over 800 km of standard single-mode fiber, with a dual-carrier spacing of 0.8× symbol rate, a Q2-factor penalty of only 1.7 dB, relative to single-carrier performance, is achieved. The performance of FD-MIMO for linear crosstalk mitigation is experimentally demonstrated by varying the channel spacing from 0.4 to 1.2× symbol rate in a dual-carrier DP-16QAM and DP-QPSK back-to-back configuration. Three-channel FD-MIMO equalization for both modulation formats is also studied in the same configuration. In addition, the combination of optical filtering and FD-MIMO indicates that a guard band of 10% of the symbol rate is sufficient to avoid additional linear crosstalk from neighboring WDM channels.
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