饱和双光子过程中的Stationary States和相位平均奇偶混合量子态的产生
Stationary States in Saturated Two-Photon Processes and Generation of Phase-Averaged Mixtures of Even and Odd Quantum States
摘要：
我们考虑在存在单光子和双光子吸收和发射过程的情况下量子化场的单模弛豫。在完全饱和双光子辐射的情况下，得到了主方程在Fock基下的密度矩阵对角元的精确定态解.如果双光子过程优于单光子过程，则定态是相位平均的奇偶相干态的混合。
英文摘要：
We consider a relaxation of a single mode of the quantized field in a presence of one- and two-photon absorption and emission processes. Exact stationary solutions of the master equation for the diagonal elements of the density matrix in the Fock basis are found in the case of completely saturated two-photon emission. If two-photon processes dominate over single-photon ones, the stationary state is a mixture of phase averaged even and odd coherent states.
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