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本文用噪音微扰场讨论了三光子吸收效应对光纤放大器的增益噪音和误码率的影响.由此得到三光子吸收效应能抑制该类噪音和减小误码率而有利于光孤子通信的结论.
In this paper, the effect of three-photon absorption on the gain noise and bit error rate of a fiber amplifier is discussed by using the noise perturbation field. The three-photon absorption effect can suppress such noise and reduce the bit error rate, which is beneficial to optical soliton communication in conclusion.