2.6 Tbit/s On-Chip Optical Interconnect Supporting Mode-Division-Multiplexing and PAM-4 Signal
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AbstractIn this letter, we combine the use of dense-wavelength-division-multiplexing and mode-division-multiplexing (MDM) with advanced-modulation formats for on-chip optical interconnects. A three-mode MDM multiplexer (MUX) and de-multiplexer (DEMUX) was designed and used. Each wavelength carrier had an aggregate data rate of 192-Gbit/s using 4-level pulse-amplitude-modulation. The mode crosstalk of the MDM MUX/DEMUX was measured to he below -20 dB in the 40-nm wavelength band from 1520 to 1560 nm. Fourteen wavelength channels are multiplexed and successfully transmitted with an aggregate transmission capacity of 2.6 Tbit/s (14 wavelengths x 3 modes x 64 Gbit/s) with all channels satisfying the hard-decision forward-error-correction threshold. Numerical analysis of the mode crosstalk is also performed.
All Author(s) ListHsu Y, Chuang CY, Wu XR, Chen GH, Hsu CW, Chang YC, Chow CW, Chen JH, Lai YC, Yeh CH, Tsang HK
Journal nameIEEE Photonics Technology Letters
Volume Number30
Issue Number11
Pages1052 - 1055
LanguagesEnglish-United Kingdom
KeywordsMode-division multiplexing (MDM), photonic integrated circuits, silicon photonics
Web of Science Subject CategoriesEngineering, Electrical & Electronic;Optics;Physics, Applied;Engineering;Optics;Physics

Last updated on 2021-17-09 at 23:51