Items Tagged with 'Optical'

ARTICLES

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IEEE802.3dj Work on 200 Gbps per Lane and How Different FEC Options Affect SI

In this article, Cathy Liu discusses how channel error models and FEC performance analysis have been updated according to industry changes, as well as how different Ethernet coding schemes have been studied and simulated for 800GE and 1.6GE systems with 200 Gbps per lane. Liu investigates concatenated FEC with soft-decision decoding for inner code to protect 200 Gbps optical link and the effect of different FEC options on system SI.



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The Reports of Copper’s Death May Be Exaggerated

About 150 years ago the first stable transatlantic cable was laid and messages were sent between Ireland and Newfound­land over copper. The data rate on this cable was not even 1 bit/sec, it was 0.1 bit/sec. Concerns over the cable reliabil­ity and the slow data rate led some to believe copper was doomed as a communication media for these long cables.


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SIJ EXECUTIVE INTERVIEW_

Executive Interview: Timothy Vang, Semtech

SIJ recently caught up with Timothy Vang, vice president of marketing and applications for Semtech’s Signal Integrity Products Group about the company’s latest product for 50Gbps PAM4 5G front haul deployments, how signal integrity and RF/wireless design overlap, and what is next for the team at Semtech.


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