Chinese Optics Letters, 2017, 15 (8): 080602, Published Online: Jul. 20, 2018
C-band real-time 400/300 Gb/s OOK bidirectional interconnection over 20 km multicore fibers
Abstract
We experimentally demonstrate a real-time quasi-full-duplex 400G/300G optical interconnection over 20 km multicore fibers (MCFs), using 10G-class transponders operated in the C-band. Optical delay interferometer (ODI)-based optical frequency equalization is applied to mitigate chirp and dispersion induced impairments, so that the tolerance to inter-symbol interference (ISI) can be enhanced, thus enabling 4 × 25 Gb / s on-off keying (OOK) transmission per core over severely limited bandwidth channels. Real-time bit error ratio (BER) performances of the bidirectional 400 Gb/s transmission are measured without using extra digital signal processing (DSP) or electrical equalization, which ensures low complexity and less power consumption.
Zhenhua Feng, Honglin Ji, Ming Tang, Lilin Yi, Lin Gan, Lei Xue, Qiong Wu, Borui Li, Jiajia Zhao, Weijun Tong, Songnian Fu, Deming Liu, Weisheng Hu. C-band real-time 400/300 Gb/s OOK bidirectional interconnection over 20 km multicore fibers[J]. Chinese Optics Letters, 2017, 15(8): 080602.