A comparison of the homodyne crosstalk characteristics of optical add-drop multiplexers

被引:17
|
作者
Dods, SD [1 ]
Tucker, RS [1 ]
机构
[1] Univ Melbourne, Dept Elect & Elect Engn, Photon Res Lab, Australian Photon Cooperat Res Ctr, Parkville, Vic 3052, Australia
关键词
bit error rate (BER); in band; interference; phase-induced intensity noise (PIIN); wavelength division multiplexing;
D O I
10.1109/50.971674
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We compare the homodyne crosstalk characteristics of a number of different optical add-drop multiplexer (OADM) structures, in the context of wavelength-division multiplexed (WDM) ring or bus network links. Nine fixed-wavelength and five reconfigurable OADM structures are examined. For the fixed-wavelength structures, we find considerable variation in the levels of incoherent crosstalk, and generally low coherent crosstalk levels. For the reconfigurable structures, incoherent crosstalk levels are quite similar, but the coherent crosstalk levels differ considerably. The range of homodyne crosstalk-induced power penalties is calculated for all structures, and the probability distribution is found for each reconfigurable OADM. The effects of the number of OADMs in the link and the number of wavelength channels in the network are also studied. We find that the best choice of OADM depends on the application.
引用
收藏
页码:1829 / 1838
页数:10
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