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High-speed polarization-shift keying: experimental and numerical investigation
LI Zhengyong * #,WANG Zhihao,YU Xiangzhi,WU Chongqing
Key Laboratory of Luminescence and Optical Information of Ministry of Education and Institute of Optical Information, Beijing Jiaotong University, Beijing 100044, China
*Correspondence author
#Submitted by
Subject:
Funding: Specialized Research Fund for the Doctoral Program of Higher Education of the Ministry of Education （No.No. 20090009120035）, National Natural Science Foundation of China （No.No. 60907027）
Opened online:19 September 2012
Accepted by: none
Citation: LI Zhengyong,WANG Zhihao,YU Xiangzhi.High-speed polarization-shift keying: experimental and numerical investigation[OL]. [19 September 2012] http://en.paper.edu.cn/en_releasepaper/content/4489337
 
 
Polarization-shift keying (PolSK), which is performed based on two orthogonal polarization states, has been investigated in detail by experiment and numerical simulation for data rate of 10 Gb/s and 40 Gb/s. Using a general Mach-Zehnder intensity modulator, a new type of PolSK transmitter has been presented and demonstrated for the first time by polarization coupling technology. And then the PolSK transmission has been experimentally demonstrated in a 50-km single mode fiber system, whose eye diagrams show that the PolSK transmitter works well at 10 Gb/s and the power fluctuation is 8%. Further simulation reveals that the PolSK has great potential in long distance transmission with data rate of 40 Gb/s, while its error-free distance goes beyond 2100 km.
Keywords:Optical fiber communication; modulation; polarization-shift keying
 
 
 

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