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 +

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.

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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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