The purpose of the beam - splitter is to compare the quantum states of A and B.
分束器 的目的就在于比较B跟A的量子态.
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If they are the same, the two photons will come out of the beam - splitter together.
如果他们状态一样, 这两个光子就在 分束器 一起出来.
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A novel broadband polarizing beam splitter is proposed based on the form - birefringence of SWG.
利用亚波长光栅的形状双折射效应,提出了一种新型宽光谱偏振分光结构.
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