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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  <identifier identifierType="DOI">10.5281/zenodo.290566</identifier>
  <creators>
    <creator>
      <creatorName>Christos Spatharakis</creatorName>
      <affiliation>Photonics Communications Research Laboratory, National Technical University of Athens,</affiliation>
    </creator>
    <creator>
      <creatorName>Giannis Kanakis</creatorName>
      <affiliation>Photonics Communications Research Laboratory, National Technical University of Athens,</affiliation>
    </creator>
    <creator>
      <creatorName>Nikolaos Iliadis</creatorName>
      <affiliation>Photonics Communications Research Laboratory, National Technical University of Athens,</affiliation>
    </creator>
    <creator>
      <creatorName>Paraskevas Bakopoulos</creatorName>
      <affiliation>Photonics Communications Research Laboratory, National Technical University of Athens,</affiliation>
    </creator>
    <creator>
      <creatorName>Konstantinos Maragos</creatorName>
      <affiliation>Microprocessors and Digital Systems Laboratory, National Technical University of Athens</affiliation>
    </creator>
    <creator>
      <creatorName>George Lentaris</creatorName>
      <affiliation>Microprocessors and Digital Systems Laboratory, National Technical University of Athens</affiliation>
    </creator>
    <creator>
      <creatorName>Dimitrios Soudris</creatorName>
      <affiliation>Microprocessors and Digital Systems Laboratory, National Technical University of Athens</affiliation>
    </creator>
    <creator>
      <creatorName>Hercules Avramopoulos</creatorName>
      <affiliation>Photonics Communications Research Laboratory, National Technical University of Athens,</affiliation>
    </creator>
  </creators>
  <titles>
    <title>A 56 Gbaud Reconfigurable FPGA Feed-Forward Equalizer for Optical Datacenter Networks with flexible Baudrate- and Modulation-Format</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2017</publicationYear>
  <dates>
    <date dateType="Issued">2017-02-12</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Conference paper</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/290566</alternateIdentifier>
  </alternateIdentifiers>
  <rightsList>
    <rights rightsURI="http://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;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.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/645212/">645212</awardNumber>
      <awardTitle>eNd to End scalable and dynamically reconfigurable oPtical arcHitecture for application-awarE SDN cLoud datacentErs</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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