Adaptive equalization approach for canceling the multipath effect in multimode fibers

Yi Cai; Tulay Adali; Qiangsheng Xiang; Xiangjun Zhao; Junding Zhang; Fow-Sen Choa

doi:10.1117/12.406436

15 December 2000 Adaptive equalization approach for canceling the multipath effect in multimode fibers

Yi Cai, Tulay Adali, Qiangsheng Xiang, Xiangjun Zhao, Junding Zhang, Fow-Sen Choa

Proceedings Volume 4087, Applications of Photonic Technology 4; (2000) https://doi.org/10.1117/12.406436
Event: 2000 International Conference on Application of Photonic Technology (ICAPT 2000), 2000, Quebec City, Canada

Abstract

The main source of bit errors in multi-mode fibers (MMF) transmission systems is the inter-symbol interference (ISI) caused by the differential mode dispersion (DMD) generated multi-path effects. The DMD creates inter-symbol interference and limits the transmission distance-bandwidth product of a MMF to 3OO MHz-km. Hence, at 10 Gb/s data rate, the transmission distance is only -3O meters, which is not very useful for networking. In this work, we propose to utilize the adaptive equalization technique to combat the DMD and increase the transmission distance to almost the desired length. With this technique, we not only obtain MMF-based 10 Gb/s gigabit Ethernets (GE) but also upgrade all the already installed MMFs (OC-3 backbones) to higher-speed pipes. We present simulation results that show the success of our proposed adaptive equalization approach in canceling the DMD generated multi-path effect in MMF transmissions.

Citation Download Citation

Yi Cai, Tulay Adali, Qiangsheng Xiang, Xiangjun Zhao, Junding Zhang, and Fow-Sen Choa "Adaptive equalization approach for canceling the multipath effect in multimode fibers", Proc. SPIE 4087, Applications of Photonic Technology 4, (15 December 2000); https://doi.org/10.1117/12.406436

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