Special Section on Microwave Photonics: Deep Interactions between Microwaves and Lightwaves

Radio-over-fiber system with tunable millimeter-wave generation and wavelength reuse for uplink connection

[+] Author Affiliations
Chan Zhang, Tigang Ning, Jing Li, Heng Lin

Beijing Jiaotong University, Key Laboratory of All Optical Network and Advanced Telecommunication Network of EMC, Institute of Lightwave Technology, Beijing 100044, China

Zhiming Liu

The 41st Institute of China Electronics Technology Group Corporation, Qingdao 266555, China

Opt. Eng. 55(3), 031116 (Oct 23, 2015). doi:10.1117/1.OE.55.3.031116
History: Received July 13, 2015; Accepted September 28, 2015
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Abstract.  We propose and demonstrate a radio-over-fiber system to generate an optical millimeter wave (MMW) and realize wavelength reuse for an uplink connection. A tunable optical comb generated by a single Fabry–Perot laser serves as the optical source. The central carrier is separated by an optical circulator cascaded with a fiber Bragg grating. For the downlink, the unmodulated central carrier is coupled with one subcarrier, which has been modulated with 2.5-Gb/s data. Then, different MMWs can be generated by choosing different subcarriers. While for the uplink, the same central carrier is reused for an uplink connection with 1.25-Gb/s data. In the scheme, a 60-GHz MMW is obtained and the bidirectional data are simultaneously transmitted over 60-km transmission with <0.5-dB power penalty. This system shows a simple cost-efficient configuration and good performance over long-distance delivery.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Chan Zhang ; Tigang Ning ; Jing Li ; Heng Lin and Zhiming Liu
"Radio-over-fiber system with tunable millimeter-wave generation and wavelength reuse for uplink connection", Opt. Eng. 55(3), 031116 (Oct 23, 2015). ; http://dx.doi.org/10.1117/1.OE.55.3.031116


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