研究一个被克尔介质包围的两能级原子与单模辐射场通过k光子跃迁发生相互作用的系统,着重讨论了原子与辐射场通过三光子和四光子相互作用过程中,光场的熵压缩和原子布居数反转随时间演化的动力学特性,分析了克尔介质对光场熵压缩和原子布居数反转的影响,结果表明它们对克尔介质非线性作用非常敏感.
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