H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/18 (2006.01)
Patent
CA 2730579
A method, device, system for realizing polarization mode dispersion (PMD) compensation are provided. The method for realizing PMD compensation includes: de-multiplexing a polarization-multiplexed optical signal, to obtain a first polarization light and a second polarization light; and joint-equalizing the first polarization light and the second polarization light, to obtain a first equalization signal and a second equalization signal. Since the polarization-multiplexed optical signal is de-multiplexed and then joint-equalized, not only the intra-channel symbol interference but also the inter-channel symbol interference during transmission of the polarization-multiplexed optical signal is eliminated, so as to realize the PMD compensation.
La présente invention concerne un procédé, un appareil et un système permettant de réaliser une compensation de dispersion de mode de polarisation. Ledit procédé comprend les étapes suivantes : démultiplexer le signal optique de polarisation multiplexé, et obtenir la première et la seconde lumière de polarisation (101) ; co-égaliser la première et la seconde lumière de polarisation, et obtenir respectivement le premier et le second signal d'égalisation (102). La co-égalisation du signal optique de polarisation multiplexé après son démultiplexage permet d'éliminer non seulement l'interférence de symbole interne au canal mais également l'interférence de symbole interne au canal durant la transmission de signal optique, et de réaliser la compensation de dispersion en mode de polarisation.
Chen Zhangyuan
Li Juhao
Li Liangchuan
Zhang Dechao
Zhang Fan
Huawei Technologies Co. Ltd.
Peking University
Smart & Biggar
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