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Generation of Repetition-Rate-Quadrupled Optical Pulse Trains Using A PolM or A Pair of PolMs
Zou Xihua 1 *,Pan Wei 2,Luo Bin 2,Yan Lianshan 2,Deng Guo 2
1.School of Information Science and Technology, Southwest Jiaotong University
2.School of Information Science and Technology, Southwest Jiaotong University, Chengdu, 610031
*Correspondence author
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Funding: Research Fund for the Doctoral Program of Higher Education of China (No.No. 20100184120007) and National Natural Science Foundation of China)
Opened online:10 November 2011
Accepted by: none
Citation: Zou Xihua,Pan Wei,Luo Bin.Generation of Repetition-Rate-Quadrupled Optical Pulse Trains Using A PolM or A Pair of PolMs[OL]. [10 November 2011] http://en.paper.edu.cn/en_releasepaper/content/4448410
 
 
Two approaches are proposed to generating repetition-rate quadrupled optical pulse trains using a polarization modulator (PolM) or a pair of PolMs. In the first approach, a PolM is used in conjunction with a dispersive element (i.e., a chirped fiber Bragg grating). In the second approach, a pair of PolMs which are connected in parallel are employed. The fundamental principle in achieving repetition-rate quadrupling is the periodic suppression of three consecutive optical spectral lines of a phase-modulated light wave. A proof-of-concept experiment is performed in which a return-to-zero (RZ) pulse train having a repetition rate of 13.6 GHz is generated when a sinusoidal signal at 3.4 GHz is applied.
Keywords:Optical pulse generation;polarization modulator (PolM);repetition rate;optical communications
 
 
 

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