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Leveraging photonic integration to enhance performance in datacom optical links
Author(s): Benjamin G. Lee; Nicolas Dupuis; Christian W. Baks; Douglas M. Gill; William M. J. Green
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Paper Abstract

As datacom link speeds approach 100 Gb/s per lane, higher complexity modulation formats such as PAM-4, PAM-8, and discrete multi-tone (DMT) have become favored by some despite their frequent need for forward-error correction (FEC) adding unnecessary latency. In this talk, we will describe a new optical-domain equalization scheme that leverages photonic integration to extend bandwidth without adding latency. We will describe our work using an IC-driven segmented electrode Mach Zehnder modulator that exploits this unique feed-forward equalization to generate 60-Gb/s on-off keyed (OOK) non-return-to-zero (NRZ) transmission with BER < 10-12. The approach can deliver high link bandwidths with ultra-low latencies.

Paper Details

Date Published: 22 February 2018
PDF: 7 pages
Proc. SPIE 10536, Smart Photonic and Optoelectronic Integrated Circuits XX, 1053615 (22 February 2018); doi: 10.1117/12.2292088
Show Author Affiliations
Benjamin G. Lee, IBM Thomas J. Watson Research Ctr. (United States)
Nicolas Dupuis, IBM Thomas J. Watson Research Ctr. (United States)
Christian W. Baks, IBM Thomas J. Watson Research Ctr. (United States)
Douglas M. Gill, IBM Thomas J. Watson Research Ctr. (United States)
William M. J. Green, IBM Thomas J. Watson Research Ctr. (United States)


Published in SPIE Proceedings Vol. 10536:
Smart Photonic and Optoelectronic Integrated Circuits XX
Sailing He; El-Hang Lee, Editor(s)

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