Analog Coherent Optics for Long Haul Datacenter Regional Networks

We review key aspects of analog coherent optics adoption in long haul datacenter regional networks. We discuss the main advantages and drawbacks of this approach and present potential improvements for next generation 60 + Gbaud long haul analog 8/16QAM systems. Finally, specificities of the 120 km d...

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Veröffentlicht in:	Journal of lightwave technology 2018-01, Vol.36 (2), p.372-376
Hauptverfasser:	Chaouch, Hacene, Filer, Mark
Format:	Artikel
Sprache:	eng
Schlagworte:	Analog coherent optics CFP2-ACO Digital signal processing Indium phosphide long haul networks Next generation networking open line systems Optical noise Optical switches Optics Point of sale systems Signal to noise ratio Switch-Routers
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Beschreibung
Zusammenfassung:	We review key aspects of analog coherent optics adoption in long haul datacenter regional networks. We discuss the main advantages and drawbacks of this approach and present potential improvements for next generation 60 + Gbaud long haul analog 8/16QAM systems. Finally, specificities of the 120 km datacenter interconnect (DCI) use case are also considered in the context of the ongoing OIF 400ZR standard effort.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2017.2756979