Segmented silicon MZM for PAM-8 transmissions at 114 Gb/s with binary signaling | Zendy

Alexandre D. Simard | Zendy; B. Filion | Zendy; David Patel | Zendy; David V. Plant | Zendy; Sophie LaRochelle | Zendy

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Segmented silicon MZM for PAM-8 transmissions at 114 Gb/s with binary signaling

Author(s) -

Alexandre D. Simard,

B. Filion,

David Patel,

David V. Plant,

Sophie LaRochelle

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.019467

Subject(s) - binary number , modulation (music) , bandwidth (computing) , converters , computer science , electronic engineering , bit error rate , phase modulation , cmos , optics , transmission (telecommunications) , physics , telecommunications , channel (broadcasting) , phase noise , engineering , mathematics , arithmetic , quantum mechanics , voltage , acoustics

We experimentally demonstrate PAM-8 generation from binary electrical signals driving a silicon multi-electrode Mach-Zehnder modulator acting as an optical digital-to-analog converter. Measured BER in back-to-back configuration is used to evaluate signal quality. We demonstrate 38 GBd PAM-8 transmission below the forward error correction (FEC) threshold using minimum mean square error (MMSE) equalization. The results show that modulators with segmented phase shifters can be advantageously used to eliminate the need for high bandwidth electronic digital-to-analog converters in the generation of multilevel signals. These modulators, that can be designed and fabricated with standard CMOS compatible tools and processes, are of high interest for short range high-speed data links.

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