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

被引：1
作者：
Zhang, Chan [1 ]
Ning, Tigang [1 ]
Li, Jing [1 ]
Lin, Heng [1 ]
Liu, Zhiming [2 ]
机构：
[1] Beijing Jiaotong Univ, Key Lab All Opt Network & Adv Telecommun Network, Beijing 100044, Peoples R China
[2] China Elect Technol Grp Corp, Inst 41, Qingdao 266555, Peoples R China
来源：
OPTICAL ENGINEERING | 2016年 / 55卷 / 03期
基金：
北京市自然科学基金; 中国国家自然科学基金;
关键词：
Fabry-Perot laser; optical millimeter wave; carrier reuse; radio-over-fiber; OPTICAL-GENERATION; SIGNALS; TRANSMISSION; MODULATION; MICROWAVE;
D O I：
10.1117/1.OE.55.3.031116
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 FabryPerot 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. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：6
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