It is shown that Raman amplification can counteract the effects of two-photon absorption.

结果表明，喇曼放大可以抵消双光子吸收的影响。

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The effects of two-photon absorption and Raman amplification on the propagation of fundamental optical solitons are studied.

研究了双光子吸收与喇曼放大对基本光孤子传输的影响。

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