Frontiers of Optoelectronics, 2008, 1 (1): 70, 网络出版: 2012-11-06  

Study on the suppression of IFWM in 40 Gb/s WDM systems

Study on the suppression of IFWM in 40 Gb/s WDM systems
作者单位
1 Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
2 College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
3 Department of Electronics and Engineering, Tsinghua University, Beijing 100084, China
摘要
Abstract
The paper analyses the effects of intra-channel four-wave mixing (IFWM) on the high-speed optical fiber communication system. A new code format is developed with double 0 and double p phase separating 1 code; it can decrease the transmission penalty from fiber nonlinearity by counteracting the perturbation terms of IFWM. From the simulation of transmission of two classic code data ‘‘11011’’ and ‘‘11100’’, we find that our proposed code format has a better suppression effect than the alternative modulation inversion (AMI) or the normal RZ format and supports a wider pulse mode. In a 40 Gbps system, the AMI format is 2 dB less than the RZ format, and our proposed format is 1 dB less than the AMI format when a 1 dB eye open penalty is taken as a metewand. Moreover, it can be realized as easily as the AMI format.

Yejin ZHANG, Xiaoming SHI, Nan MA, Minghua CHEN, Shuxu GUO, Shizhong XIE. Study on the suppression of IFWM in 40 Gb/s WDM systems[J]. Frontiers of Optoelectronics, 2008, 1(1): 70. Yejin ZHANG, Xiaoming SHI, Nan MA, Minghua CHEN, Shuxu GUO, Shizhong XIE. Study on the suppression of IFWM in 40 Gb/s WDM systems[J]. Frontiers of Optoelectronics, 2008, 1(1): 70.

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