Huawei Technologies Co., Limited

Junbo Xie

Yu Xu

Binlin Deng

Dezhong Yu

Jiahong Zeng

Fanming Meng

A dynamic dispersion detecting method and apparatus are disclosed. The apparatus includes a tunable dispersion compensation module (), a demodulator (), a receiver (), a partial band radio frequency power detecting unit (), and an electrical signal ratio calculating unit (). The method includes: demodulating a phase of a received optical signal; converting the demodulated optical signal into an electrical signal; sampling radio frequency power of the electrical signal to obtain an radio frequency signal; obtaining an electrical signal ratio of the radio frequency signal; and comparing a value of a currently detected electrical signal ratio with the values of the previously detected electrical signal ratios, tuning a dispersion compensation value according to a comparison result to find a peak electrical signal ratio, and obtaining a residual dispersion value of a system according to the peak electrical signal ratio.

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Shenzhen, China

Junbo Xie