光学学报, 2007, 27 (5): 801, 网络出版: 2007-05-23   

40 Gb/s信号全光3R再生实验

Experimental Study on 40 Gb/s All Optical 3R Regeneration
作者单位
天津大学电信学院光纤通信实验室,光电信息技术科学教育部重点实验室, 天津 300072
摘要
提出一种新型40 Gb/s全光3R再生器方案。采用高精细度法布里珀罗滤波器进行时钟提取。时钟提取前,通过高稳定光源对输入信号光波长变换实现信号光波长和法布里珀罗滤波器梳状窗口对准;时钟提取后,接半导体光放大器(SOA)进一步消除时钟信号噪声。全光判决中,采用双半导体光放大器串联增大非线性性能,提高了判决门的响应速度。判决输出接窄带滤波器去除脉冲啁啾拖尾,减小码型效应。实验中,恶化40 Gb/s光脉冲信号通过全光3R再生器可以得到再生脉冲。输入恶化信号时间抖动大于5 ps,脉冲宽度大于16 ps,再生得到的信号时间抖动小于1.5 ps。再生信号相对于输入信噪比改善14 dB。连续稳定工作记录大于15 h。通过实验验证,这种全光3R再生器方案成功地实现了40 Gb/s信号的再生。
Abstract
A novel 40 Gb/s all optical 3R regenerator was proposed. High finesse Fabry-Pérot (F-P) filter was used in clock recovery. Before clock recovery, a stable laser was used in wavelength conversion to aim the wavelength of input signal at the window of F-P filter. After clock recovery, the low frequency noise in the recovery clock was suppressed using semiconductor optical amplifier (SOA). In the all optical decision gate, dual SOAs in series were used to lengthen active region of SOA and to rise the optical switching speed. The pattern effect of the output of decision gate was eliminated by using narrow band filter. In experimental study, new 40Gb/s optical signal was regenerated from degraded optical signal using this 3R regenerator. The timing jitter and pulse width of the degraded signal were larger than 5 ps and 16 ps. Compared with these, the timing jitter of the regenerated pulse was 1.5 ps. The signal noise ratio improved 14 dB. This regenerator was recorded to work continually more than 15 h. This experiment testified that the new scheme of regenerator can work successfully in 40 Gb/s all optical 3R pulse regeneration.

于晋龙, 王耀天, 张爱旭, 张艳冬, 朱利凯, 李亚男, 胡浩, 王文睿, 王卓然, 吕捷, 王新兵, 张立台, 杨恩泽. 40 Gb/s信号全光3R再生实验[J]. 光学学报, 2007, 27(5): 801. 于晋龙, 王耀天, 张爱旭, 张艳冬, 朱利凯, 李亚男, 胡浩, 王文睿, 王卓然, 吕捷, 王新兵, 张立台, 杨恩泽. Experimental Study on 40 Gb/s All Optical 3R Regeneration[J]. Acta Optica Sinica, 2007, 27(5): 801.

本文已被 13 篇论文引用
被引统计数据来源于中国光学期刊网
引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!