光的单边带传输的性能研究  

Transmission Performance of Optical Single Sideband Signal

作　　者：胡辽林[1] 刘增基[1] 杨国庆[1] 

机构地区：[1]西安电子科技大学综合业务网国家重点实验室,西安710071

出　　处：《光子学报》2004年第2期179-182,共4页Acta Photonica Sinica

摘　　要：对一种光单边带传输系统用MATLAB进行了仿真 ,结果表明 :在完全消光条件下 ,10Gb/s单边带信号在常规单模光纤传输可达 14 0km ,而双边带仅为 70km ;消光比对双边带传输和单边带传输的影响是不一样的 .双边带传输消光比为 10dB就够了 ,单边带传输消光比要在 2 0dB以上 ,只有消光比大于 2In this paper, a dispersion-tolerant optical single sideband transmission system is simulated . In the perfect extinction, a 10 Gb/s optical single sideband signal can be transimitted over 140 km of the conventional single-mode fiber(G.652) and only 70 km for optical double sideband signal with 1 dB eye-opening penalty. The effect of the finite extinction ratio on optical single sideband transmission system is also considered in detail. It is concluded that the optical single sideband transmission has characteristic superior to that of the double sideband transmission only if the extinction ratio is more than 20 dB.

关 键 词：光纤通信 色散 单边带 双边带 消光比 

分 类 号：TN929.11[电子电信—通信与信息系统]