128-Gb/s line rate OFDM signal modulation using an integrated silicon Microring modulator
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AbstractCompared with Mach-Zehnder modulators, silicon microring modulators have the important advantages of smaller footprint and significantly lower energy per bit but suffer the disadvantages of inherent wavelength dependence and a modulation bandwidth that is limited by the resonator bandwidth. Here, we address the latter disadvantage of using an integrated silicon microring modulator with spectrally efficient modulation with 16-quadrature amplitude modulation on direct detection orthogonal frequency division multiplexing (OFDM). We demonstrate a line rate of 128-Gb/s and a net data rate of 107.6-Gb/s OFDM signal modulation using this tunable microring modulator. The 6.6- and 10-km single-mode fiber transmission of the modulated signal is presented. The measured bit error rates of back-to-back, 6.6-km, and 10-km fiber transmission are well below the forward error correction threshold.
All Author(s) ListWu X., Huang C., Xu K., Shu C., Tsang H.K.
Journal nameIEEE Photonics Technology Letters
Volume Number28
Issue Number19
PublisherInstitute of Electrical and Electronics Engineers
Place of PublicationUnited States
Pages2058 - 2061
LanguagesEnglish-United Kingdom
Keywordsadvanced modulation format, optical OFDM, Silicon microring modulator

Last updated on 2020-21-01 at 00:48