激发双参数变形奇偶相干态的压缩特性

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研究了激发奇qs相干态a+mqsα〉oqs和激发偶qs相干态a+mqsα〉eqs的压缩特性,数值计算了参数m,s和q对qs压缩函数的影响. 结果表明:(1)当q或s偏离1较远时,态a+mqsα〉oqs和a+mqsα〉eqs都能呈现出强烈的qs压缩,而且随着r2的增大qs压缩函数出现振幅和周期都递增的振荡现象,其振幅不但随q或s的减小而急剧增大,而且也随着m的增大而急剧增大,其周期随q或s的减小而增大但与m无关,从控制光场的压缩效应来看,场模上光子数增加数m可作为第三个独立的调节参数来使用;(2) 对于大多数r,qs压缩函数对s的敏感度大于对q的敏感度,即通过调节参数s来控制光场的压缩效应要比通过调节参数q更有效.
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