112 Gb/s 16-QAM OFDM for 80-km Data Center Interconnects Using Silicon Photonic Integrated Circuits and Kramers-Kronig Detection
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AbstractIn this paper, we report the first demonstration of using silicon photonic integrated circuits for 62 Gb/s 4-quadrature-amplitude-modulation (4-QAM) orthogonal frequency-division multiplexing (OFDM) and 112 Gb/s 16-QAM OFDM over an 80-km standard single-mode fiber (SSMF) transmission with the Kramers-Kronig (KK) direct detection. Single sideband optical signals are generated by two silicon micro-ring modulators, and directly detected by a single integrated germanium-on-silicon wave-guide photodiode fabricated in a multi-project wafer run. The complex optical field can be fully re-constructed by KK detection after an 80-km SSMF transmission. The integrated transceivers with KK detection are suitable for future low-cost, low-power, and small-footprint data center interconnects in the short and medium reach.
All Author(s) ListTong YY, Zhang QL, Wu XR, Shu C, Tsang HK
Journal nameJournal of Lightwave Technology
Year2019
Month7
Day15
Volume Number37
Issue Number14
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Pages3532 - 3538
ISSN0733-8724
eISSN1558-2213
LanguagesEnglish-United Kingdom
KeywordsData center interconnects, direct detection, photonic integrated circuits, silicon photonics
Web of Science Subject CategoriesEngineering, Electrical & Electronic;Optics;Telecommunications;Engineering;Optics;Telecommunications

Last updated on 2020-01-04 at 00:21