| 摘要 |
A method for scrambling a polarization of light signals, comprising the steps of: scrambling the polarization of a light signal with a scrambling frequency; and combining the polarization scrambled light signal with at least one other light signal to form a wavelength division multiplexed light signal. The step of scrambling comprises the steps of: combining a first plurality of light signals to form a first wavelength division multiplexed light signal, combining a second plurality of light signals, different from the first plurality of light signals, to form a second wavelength division multiplexed light signal, scrambling the polarization of the first wavelength division multiplexed light signal with a first scrambling frequency, and scrambling the polarization of the second wavelength division multiplexed light signal with a second scrambling frequency which is different from the first scrambling frequency. The step of combining involves combining the polarization scrambled first wavelength division multiplexed light signal with the polarization scrambled second wavelength division multiplexed light signal, to produce a resulting wavelength division multiplexed light signal.
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