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We propose a scheme to achieve super-resolution of interference pattern with independent laser beams. We perform an experimental observation of a double-slit interference with two orthogonally polarized laser beams. The resolution of the interference pattern measured by a two-photon detection is doubled provided the two beams illuminate the double-slit with certain incident angles. The scheme is simple and can favour both high intensity and perfect visibility. 相似文献
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利用中心流形定理对广义激光Maxwell-Bloch模式方程进行化简,与绝热消去法比较,这将引入小的扩散修正项,但它并不改变激光场方程的主要动力学行为。 相似文献
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采用一种新方法——自泵浦相位共轭干涉测量法,测量弱吸收薄膜的光学参数:折射率、吸收系数以及厚度,实验结果表明,该方法具有操作简便,并能自动消除相位畸变等优点。 相似文献
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Dynamic Polariton and Quantum State Swapping Between an Electromagnetic Field and Atomic Ensemble
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We analyse a dynamical swapping of the quantum state in coupled harmonic oscillatros,the result can be applied to the interaction of a single-mode field with atomic ensemble in the weak field case,Similar to the case of electromagnetic induced transparency(EIT),a dynamic polariton is formed.Therefore,the quantum state of the field can be completely mapped on to the atomic medium,and vice versa,Using this dynamical swapping and the adiabatic transfer in the EIT between the field and atomic ensemble,we propose a scheme in which both the quantum and the coherent information can be transferred from one field to another. 相似文献
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讨论了强相干激光场驱动下的内腔三能级原子的共振荧光谱,与自由空间情况相比,内腔谱从共振峰为中心向内压缩或向外扩张,但谱线的线型,线宽和强度没有变化,共振峰的线型取决于原子与驱动场之间的失谐程度,文中还谱线特征的形成原因作了分析。 相似文献