Full-duplex radio over fiber system with optimum optical carrier to sideband ratio and wavelength reuse

Jintian Xiong; Rong Wang; Tao Pu; Tao Fang; Jilin Zheng; Lin Lu; Peng Xiang

doi:10.1117/1.OE.53.6.066106

20 June 2014 Full-duplex radio over fiber system with optimum optical carrier to sideband ratio and wavelength reuse

Jintian Xiong, Rong Wang, Tao Pu, Tao Fang, Jilin Zheng, Lin Lu, Peng Xiang

Author Affiliations +

Funded by: National Basic Research Program of China, National Basic Research Program, National Basic Research and Development Program of China, National Basic Research Program of China (973 Program), National Basic Research Programme of China (973) Project, National Natural Science Foundation of China (NSFC), National Natural Science Foundation of China, National Nature Science Foundation of China, National Natural Science Foundation, Natural Science Foundation of China, National Nature Science Foundation, National Science Foundation (NSF), Jiangsu Province Science Foundation Council, Natural Science Foundation of Jiangsu Province Foundation, Jiangsu Province Science Foundation, Jiangsu Province Natural Science Foundation

Optical Engineering, Vol. 53, Issue 6, 066106 (June 2014). https://doi.org/10.1117/1.OE.53.6.066106

Abstract

A full-duplex radio over fiber system with optimum optical carrier to sideband ratio (OCSR) of 0 dB and wavelength reuse for uplink are proposed. At the central office, single-sideband modulation with OCSR larger than 0 dB is realized based on optical injection. At the base station, a notch filter with the notch depth corresponding to the OCSR of the transmitted signal is used to achieve the optimum OCSR of 0 dB. The reflected weakly modulated carrier is reused as the carrier for upload signals. A simulation is carried out to verify the proposed system. Results show that the download 60-GHz-RF signal is almost not affected by the fiber chromatic dispersion, and the power penalty after transmission over a 50-km single-mode fiber is negligible in uplink and is only 1.27 dB in downlink.

Citation Download Citation

Jintian Xiong, Rong Wang, Tao Pu, Tao Fang, Jilin Zheng, Lin Lu, and Peng Xiang "Full-duplex radio over fiber system with optimum optical carrier to sideband ratio and wavelength reuse," Optical Engineering 53(6), 066106 (20 June 2014). https://doi.org/10.1117/1.OE.53.6.066106

Published: 20 June 2014

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