Transparency induced by two-photon interference in a beam splitter |
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| Authors: | Wang Kai-Ge and Yang Guo-Jian |
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| Affiliation: | Department of Physics, Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875, China |
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| Abstract: | We propose a special two-photon state which is completely transparent in a 50/50 beam splitter. This effect is caused by the destructive two-photon interference and shows the signature of photon entanglement. We find that the symmetry of the two-photon spectrum plays the key role for the properties of two-photon interference. |
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| Keywords: | two-photon interference entangled state Bell state |
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