Conference paper Open Access

A 56 Gbaud Reconfigurable FPGA Feed-Forward Equalizer for Optical Datacenter Networks with flexible Baudrate- and Modulation-Format

Christos Spatharakis; Giannis Kanakis; Nikolaos Iliadis; Paraskevas Bakopoulos; Konstantinos Maragos; George Lentaris; Dimitrios Soudris; Hercules Avramopoulos


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{
  "description": "<p>The staggering growth of datacenter traffic has spurred the rapid uptake of advanced modulation-formats to increase throughput. Commodity optoelectronic components are used for cost-efficiency, assisted with digital equalizers to mitigate their bandwidth limitations. With optically-switched datacenter architectures gaining momentum, reconfigurable equalizers are sought allowing the receiver to adapt to different fiber lengths, bitrates and modulation-formats associated to different optical paths. An FPGA-based feed-forward equalizer (FFE) reconfigurable in baudrate and modulation-format is demonstrated. We verify its performance with NRZ and PAM-4 experimental data up to 56 GBaud, investigate its accuracy and extract the optimum FFE implementation for different transmission scenarios.</p>", 
  "license": "http://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Photonics Communications Research Laboratory, National Technical University of Athens,", 
      "@type": "Person", 
      "name": "Christos Spatharakis"
    }, 
    {
      "affiliation": "Photonics Communications Research Laboratory, National Technical University of Athens,", 
      "@type": "Person", 
      "name": "Giannis Kanakis"
    }, 
    {
      "affiliation": "Photonics Communications Research Laboratory, National Technical University of Athens,", 
      "@type": "Person", 
      "name": "Nikolaos Iliadis"
    }, 
    {
      "affiliation": "Photonics Communications Research Laboratory, National Technical University of Athens,", 
      "@type": "Person", 
      "name": "Paraskevas Bakopoulos"
    }, 
    {
      "affiliation": "Microprocessors and Digital Systems Laboratory, National Technical University of Athens", 
      "@type": "Person", 
      "name": "Konstantinos Maragos"
    }, 
    {
      "affiliation": "Microprocessors and Digital Systems Laboratory, National Technical University of Athens", 
      "@type": "Person", 
      "name": "George Lentaris"
    }, 
    {
      "affiliation": "Microprocessors and Digital Systems Laboratory, National Technical University of Athens", 
      "@type": "Person", 
      "name": "Dimitrios Soudris"
    }, 
    {
      "affiliation": "Photonics Communications Research Laboratory, National Technical University of Athens,", 
      "@type": "Person", 
      "name": "Hercules Avramopoulos"
    }
  ], 
  "headline": "A 56 Gbaud Reconfigurable FPGA Feed-Forward Equalizer for Optical Datacenter Networks with flexible Baudrate- and Modulation-Format", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2017-02-12", 
  "url": "https://zenodo.org/record/290566", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.290566", 
  "@id": "https://doi.org/10.5281/zenodo.290566", 
  "@type": "ScholarlyArticle", 
  "name": "A 56 Gbaud Reconfigurable FPGA Feed-Forward Equalizer for Optical Datacenter Networks with flexible Baudrate- and Modulation-Format"
}
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