An all-solid-state, WDM silicon photonic digital link for chip-to-chip communications
Author(s) -
Hiren Thacker,
Xuezhe Zheng,
Jon Lexau,
Roshanak Shafiiha,
Ivan Shubin,
Shiyun Lin,
Stevan S. Djordjevic,
Philip Amberg,
Eric Chang,
Frankie Liu,
John C. Simons,
Jin-Hyoung Lee,
Arin Abed,
Hong Liang,
Ying Luo,
Jin Yao,
Dazeng Feng,
Mehdi Asghari,
Ron Ho,
Kannan Raj,
J. E. Cunningham,
Ashok V. Krishnamoorthy
Publication year - 2015
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.23.012808
Subject(s) - wavelength division multiplexing , silicon photonics , silicon on insulator , optics , chip , optoelectronics , multiplexing , waveguide , photonics , materials science , photonic integrated circuit , optical link , silicon , computer science , wavelength , physics , telecommunications , optical fiber
We describe a multiwavelength hybrid-integrated solid-state link on a 3 µm silicon-on-insulator (SOI) nanophotonic platform. The link spans three chips and employs germanium-silicon electroabsorption waveguide modulators, silicon transport waveguides, echelle gratings for multiplexing and demultiplexing, and pure germanium waveguide photo-detectors. The 8λ WDM Tx and Rx components are interconnected via a routing "bridge" chip using edge-coupled optical proximity communication. The packaged, retimed digital WDM link is demonstrated at 10 Gb/s and 10(-12) BER, with three wavelength channels consuming an on-chip power below 1.5 pJ/bit, excluding the external laser power.
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