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40G/100G/200G OSNR Measurements with a Pol-Mux OSA

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40G/100G/200G OSNR Measurements with a Pol-Mux OSA

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  • Author: Jean-Sébastien Tassé
This white paper first establishes why an OSA is a fundamental test instrument in DWDM networks. Next, it identifies common OSA measurements being performed in the field, and then explains why a Pol-Mux OSA is required to perform OSNR measurements of 40G/100G/200G coherent networks In order to meet the constantly increasing need for bandwidth, more and more telecommunications operators are now deploying 40G, 100G or even 200G coherent systems on long-haul dense wavelength-division multiplexing (DWDM) networks.

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