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Optical PAM-4 Generation through Polarization Multiplexing in Single-Polarization Single-Mode VCSELs

Nikos Iliadis; Giannis Kanakis; Nikolaos Argyris; Christos Spatharakis; Paraskevas Bakopoulos; Silvia Spiga; Marcus-Christian Amann; Hercules Avramopoulos


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{
  "description": "<p>PAM-4 modulation is considered a key enabler for scaling capacity in datacenter networks, due to its bandwidth efficiency and implementation simplicity. We propose a novel technique for optical generation of four-level signals by means of polarization multiplexing, leveraging the single-polarization operation of a double-mesa single-mode VCSEL with 20.5 GHz 3-dB bandwidth. The scheme obviates the need for linear electronic drivers and circumvents the requirement for driving the VCSEL in its linear regime. Experimental results verify the scheme, exhibiting BER within FEC standards at 28 Gb/s. Comparison with an electrical PAM-4 modulated VCSEL demonstrates superior performance of the proposed concept.</p>", 
  "license": "http://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Photonics Communications Research Laboratory National Technical University of Athens", 
      "@type": "Person", 
      "name": "Nikos Iliadis"
    }, 
    {
      "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 Argyris"
    }, 
    {
      "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": "Paraskevas Bakopoulos"
    }, 
    {
      "affiliation": "Walter Schottky Institut Technical University of Munich Munich, Germany", 
      "@type": "Person", 
      "name": "Silvia Spiga"
    }, 
    {
      "affiliation": "Walter Schottky Institut Technical University of Munich Munich, Germany", 
      "@type": "Person", 
      "name": "Marcus-Christian Amann"
    }, 
    {
      "affiliation": "Photonics Communications Research Laboratory National Technical University of Athens", 
      "@type": "Person", 
      "name": "Hercules Avramopoulos"
    }
  ], 
  "headline": "Optical PAM-4 Generation through Polarization Multiplexing in Single-Polarization Single-Mode VCSELs", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2017-02-12", 
  "url": "https://zenodo.org/record/290568", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.290568", 
  "@id": "https://doi.org/10.5281/zenodo.290568", 
  "@type": "ScholarlyArticle", 
  "name": "Optical PAM-4 Generation through Polarization Multiplexing in Single-Polarization Single-Mode VCSELs"
}
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