Phase noise floor suppression of the output carrier from double sideband-carrier suppressed modulation system

查看全文 作　　者：LUO Xin HAN XiuYou GU YiYing LI ShanFeng & ZHAO [1]MingShan

机构地区：[1]School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian 116023, China

出　　处：《Science China(Information Sciences)》索引2011年第54卷第6期,共9页

基　　金：supported by the Specialized Research Fund for the Doctoral Program of Higher Education(GrantNo.200801411037);the National Natural Science Foundation of China(Grant No.60807015) 摘　　要：A theoretical model of all the influencing factors on the phase noise floor of the output carrier from the double sideband-carrier suppressed (DSB-CS) modulation system is presented. Based on the established DSB-CS modulation system with different cases, the phase noise of the input carrier and the output doubled frequency carrier is measured and calculated using the theoretical model, respectively. The calculation results basically agree with the measurement results. It is shown that the phase noise floor of the output carrier is primarily influenced by the signal-spontaneous beat noise and the relative intensity noise (RIN) of the laser. So the phase noise floor of the output carrier can be minimized by choosing the laser with low RIN and the EDFA with low noise factor. 关键词：相位噪声测量调制系统双边带载波输出掺铒光纤放大器地板相对强度噪声

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Phase noise floor suppression of the output carrier from double sideband-carrier suppressed modulation system

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