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15 février 2018

Impairments affecting PAM4 signals in DCIs and client-side transmission

Jean-Sébastien Tassé

Product Manager

Jean-Sébastien Tassé has more than 13 years of experience in sales and marketing in the high-tech sector. He currently holds the position of Product Line Manager in EXFO’s optical business unit, where he oversees the business strategy, roadmap and launch strategy of the optical spectrum analyzer and dispersion product lines. At EXFO, he is also business development manager for the market segments of submarine networks and fronthaul/backhaul networks (optical products). He began his career as Sales Engineer for Gentec Electro-Optics, where he was responsible for direct and channel sales in specific regions in the Americas, Asia and Europe. As Business Development Manager for the Thin Film Research Laboratory at the École Polytechnique de Montréal/University of Montreal, he was instrumental in delivering revenue growth in analytical services for companies. Jean-Sébastien holds a bachelor's degree in Engineering Physics and a master’s degree in Electrical Engineering (optics) from Université Laval, in Québec City, Canada.

Massive investments by webscale and hyperscale companies have led to the introduction of technologies designed for their specific requirements such as four-level pulse amplitude modulation (PAM4) for data center interconnects (DCIs) and client side transmission.

Like any technology, PAM4 comes with its own set of strengths and limitations that should be well understood.

In this webinar we will:

  • Discuss critical, but sometimes overlooked, impairments that affect PAM4 signals such as chromatic dispersion and noise issues.
  • Explain how these impairments can be mitigated.