Investigation of PAM-4 for extending reach in data center interconnect applications

Juan José Vegas Olmos, Brian Teipen, Nicklas Eiselt, Annika Dochhan, Helmut Griesser, Michael Eiselt, Jörg-Peter Elbers

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Optical four-level pulse amplitude modulation (PAM-4) is being widely studied for various short-reach optical interfaces, motivated by the need to keep cost structure low, and to increase link capacity despite various constraints in component bandwidth. When considering PAM-4 in applications with reach significantly greater than 10km, such as in extended data center interconnects which require optical amplification, impairments such as chromatic dispersion, optical filtering, and ASE must be controlled. We investigate and report on requirements of PAM-4 for extended-reach, data center interconnect links
Original languageEnglish
Title of host publicationProceedings of ICTON 2015
Number of pages4
Publication date2015
Publication statusPublished - 2015
Event17th International Conference on Transparent Optical Networks - Danubius Thermal Hotel Helia, Budapest, Hungary
Duration: 5 Jun 20159 Jul 2015

Conference

Conference17th International Conference on Transparent Optical Networks
LocationDanubius Thermal Hotel Helia
CountryHungary
CityBudapest
Period05/06/201509/07/2015

Keywords

  • Fiber optics communications
  • PAM-4 modulation
  • Data center interconnect.

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