A novel scheme of optical label generation and transmission which based on OFDM signals by experiment is researched. Optical labels of cheap polo shirts is more suitable for long distance transmission in the optical label switching network compared with labels generated by ralph lauren polo shirts. In the experiment, optical carrier suppression is Lacoste Polo Shirts generated and two frequencies are left, one is modulated by OFDM labels with 2.5Gbit/s and the other is modulated by Lacoste Shirts payloads, both signals transmit 200Km in fiber. The experimental results show that optical carrier suppression is easy to realize. Without power compensation, the Cheap Lacoste Polo Shirts signals can transmit long distance, and the received signals distortion and loss are both small under the same BER. It means the OFDM labels is more suitable for long distance transmission and it will play a important role in practical application in optical label switching network.
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