中国激光, 2011, 38 (1): 0105003, 网络出版: 2010-12-23   

高精度色散管理实现160 Gb/s光时分复用信号100 km稳定无误码传输

High-Precision Chromatic Dispersion Management Completes 160 Gb/s OTDM Signal 100-km Stable Error-Free Transmission
作者单位
1 北京交通大学全光网络与现代通信网教育部重点实验室, 北京 100044
2 北京交通大学光波技术研究所, 北京 100044
摘要
在160 Gb/s 100 km光时分复用(OTDM)通信系统中,色散是影响系统性能的主要因素。为减小由此带来的信号波形的失真,进行了理论分析与研究,并做了相应的实验加以验证。传输链路采用混合补偿方式,精确补偿色散与色散斜率,优化传输链路色散图谱及各点工作功率,有效抑制非线性效应,实现高精度色散管理,提升系统的整体性能。使用500 GHz高速示波器,调整传输链路光纤的长度精确到10 m,并准确观测各环节实验结果。系统既没有使用前向纠错技术,也没有进行偏振模色散(PMD)补偿,仅仅通过高精度色散管理实现了160 Gb/s光时分复用信号100.25 km稳定无误码(误码率小于10-12)传输。
Abstract
Chromatic dispersion is a major factor affecting system performance in 160 Gb/s 100 km optical time-division multiplexing (OTDM) communication systems. To reduce the resulting signal waveform distorted, theoretical analysis and research are done, which is verified by the corresponding experiments. Hybrid dispersion compensation is adopted in the transmission link. Chromatic dispersion and chromatic dispersion slope are compensated accurately. The optimized chromatic dispersion map of the transmission link and working power of the various points are optimized. So nonlinear effects are suppressed effectively. The whole system performance is improved by high precision dispersion management. The fiber length is adjusted to the order of 10 m with 500 GHz optical sampling oscilloscope, and the experimental results are observed accurately. Neither the forward error correction technology nor the compensation of polarization mode dispersion(PMD) is used. 100.25 km stable error-free (bit error rate is smaller than 10^{-12}) transmission of 160 Gb/s OTDM signal is achieved through high-precision chromatic dispersion management.

池剑锋, 李唐军, 贾楠, 钟康平, 王目光, 罗定嘉. 高精度色散管理实现160 Gb/s光时分复用信号100 km稳定无误码传输[J]. 中国激光, 2011, 38(1): 0105003. 池剑锋, 李唐军, 贾楠, 钟康平, 王目光, 罗定嘉. High-Precision Chromatic Dispersion Management Completes 160 Gb/s OTDM Signal 100-km Stable Error-Free Transmission[J]. Chinese Journal of Lasers, 2011, 38(1): 0105003.

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