November 13, 2014

When and why does polarization mode dispersion (PMD) compensation fail in 40G/100G+ coherent systems?

Jean-Sébastien Tassé

Product Manager

High Speed Networks: SONET/SDH, OTN, WDM, 40/100/400G NEMs and Lab WDM/SONET/OTN transport testing

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Thanks to the advanced algorithms, coherent systems promise to compensate for PMD in real time. However, do they actually deliver on that promise?

In this webinar, EXFO (a leader in field testing), and General Photonics (an expert in lab measurements) join forces to explain the reasons why PMD compensation might fail or be ineffective. Also, some recommendations are provided on how to reduce the risks of these failures. This webinar will cover the following topics:

The concepts of PMD, Differential Group Delay (DGD), and State of Polarization (SOP)
The limitations of PMD compensation capabilities in coherent receivers
The PMD-related tests performed in the laboratory to optimize PMD compensation algorithms
The PMD tests carried out in the field to identify PMD issues in advance and reduce their frequency

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When and why does polarization mode dispersion (PMD) compensation fail in 40G/100G+ coherent systems?

Jean-Sébastien Tassé

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Making the most of a limited resource: how to use spectrum more efficiently in the era of 5G

“PIC your test”: How to test photonic integrated circuits?

What’s in store for 5G transport networks: A look ahead into emerging technologies and new use cases - Part 2

When and why does polarization mode dispersion (PMD) compensation fail in 40G/100G+ coherent systems?

Jean-Sébastien Tassé

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