双光子吸收过程中光场振幅平方压缩

本文由双光子过程主方程运用生成函数法,求得双光子吸收过程光场振幅平方压缩的表示式,讨论振幅平方压缩随无量纲时间τ,入射光场相位角θ及平均光子数|α|²的变化情况。双光子吸收过程是产生振幅平方压缩效应的有效途径。最后论证振幅平方压缩效应的独立性。 关键词：

SQUEEZING OF THE SQUARE OF THE FIELD AMPLITUDE IN TWO-PHOTON ABSORPTION PROCESS

From the master equation of the field density for the two-photon process, with the help of the generation function method, the expressions of the squeezing of the square of the field amplitude generated in two-photon absorption process are derived. The variations of the square of the field amplitude with the dimensionless time τ, the phase θ and the average number of photons of the incident field are discussed. It is shown that the two-photon absorption process is an effective way generating the squeezing effect of the square amplitude of the field. Finally, the independence of the amplitude-squared squeezing effect is demonstrated.