A Low Power 2×28Gb/s Electroabsorption Modulator Driver Array with On-Chip Duobinary Encoding

Renato VAERNEWYCK; Xin YIN; Jochen VERBRUGGHE; Guy TORFS; Xing-Zhi QIU; Efstratios KEHAYAS; Johan BAUWELINCK

doi:10.1587/transcom.E97.B.1623

Special Section on EU's FP7 ICT R&D Project Activities on Future Broadband Access Technologies

A Low Power 2×28Gb/s Electroabsorption Modulator Driver Array with On-Chip Duobinary Encoding

Renato VAERNEWYCK, Xin YIN, Jochen VERBRUGGHE, Guy TORFS, Xing-Zhi QIU, Efstratios KEHAYAS, Johan BAUWELINCK

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Keywords: 56Gb/s, EAM driver, low power, array, BiCMOS, optical duobinary coding

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2014 Volume E97.B Issue 8 Pages 1623-1629

DOI https://doi.org/10.1587/transcom.E97.B.1623

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Abstract

An integrated 2×28Gb/s dual-channel duobinary driver IC is presented. Each channel has integrated coding blocks, transforming a non-return-to-zero input signal into a 3-level electrical duobinary signal to achieve an optical duobinary modulation. To the best of our knowledge this is the fastest modulator driver including on-chip duobinary encoding and precoding. Moreover, it only consumes 652mW per channel at a differential output swing of 6V_pp.

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