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Optical Engineering

Full-duplex radio over fiber system with optimum optical carrier to sideband ratio and wavelength reuse
Author(s): Jintian Xiong; Rong Wang; Tao Pu; Tao Fang; Jilin Zheng; Lin Lu; Peng Xiang
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Paper 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.

Paper Details

Date Published: 20 June 2014
PDF: 5 pages
Opt. Eng. 53(6) 066106 doi: 10.1117/1.OE.53.6.066106
Published in: Optical Engineering Volume 53, Issue 6
Show Author Affiliations
Jintian Xiong, The PLA Univ. of Science and Technology (China)
Rong Wang, The PLA Univ. of Science and Technology (China)
Tao Pu, The PLA Univ. of Science and Technology (China)
Tao Fang, The PLA Univ. of Science and Technology (China)
Jilin Zheng, The PLA Univ. of Science and Technology (China)
Lin Lu, The PLA Univ. of Science and Technology (China)
Peng Xiang, The PLA Univ. of Science and Technology (China)


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