Comparison of RZ and NRZ Formats in 112-Gb/s PDM-QPSK Long Haul Coherent Transmission Systems

被引：0
|
作者：
Xie, Chongjin [1 ]
Raybon, Greg [1 ]
Chandrasekhar, S. [1 ]
机构：
[1] Alcatel Lucent, Bell Labs, Holmdel, NJ 07733 USA
来源：
2011 OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION (OFC/NFOEC) AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE | 2011年
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D O I：
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中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show that 112-Gb/s PDM-QPSK coherent transmission systems with RZ pulse shape have better tolerance to ROADM filtering than NRZ, and time-interleaved RZ-PDM-QPSK outperform NRZ-PDM-QPSK in nonlinear transmission even with tight filtering. (C) 2011 Optical Society of America
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页数：3
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