The technology of optical singal processing has become the support of optical communication, and it will play a more important role in the all optical communication network in the future. The optical label switching of the packet transmission network has a great advantage at the network performance, quality of service and cost of network, ect . It is the most efficient and long-term way to solve the problems which are flexibility of network, capability of network and hair straighteners throughput rate. And all optical label signals processing is one of the key technology of optical labels switching. In this paper, label generation, label swapping and label transmission are researched by numerical chi dazzle simulation, theoretical analysis and experiment verification. The results obtained are as follows:1. A novel scheme based on EAM to produce optical label and erase old label are proposed and proved. The label is discount wedding dresses generated by IM , and the modulation rate is 2.5Gbit/s; the payload is generated by FSK, and the modulation rate is 80Gbit/s. The old label is extracted and erased by EAM in the switching cheap wedding gown dresses node, and then we insert the new label and realize the payloads all optical transmission. The feasibility of this cheap evening dresses scheme is proved by simulation and theoretical analysis. This scheme is characteristic of simple structure, easy to realize and suitable for long distance transmission.
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