| Issue |
Europhys. Lett.
Volume 64, Number 1, October 2003
|
|
|---|---|---|
| Page(s) | 22 - 28 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2003-00503-6 | |
| Published online | 01 November 2003 | |
Two-photon anti-coalescence interference: The signature of two-photon entanglement
1
Department of Physics, Hong Kong Baptist
University - Hong Kong, PRC
2
Department of Physics, Beijing Normal University -
Beijing 100875, PRC (Mailing address.)
Received:
30
April
2003
Accepted:
4
August
2003
We study a general theory on the interference of two-photon wavepacket in a beam splitter. We find that the symmetry of the two-photon spectrum plays an important role in the manners of interference. We distinguish the coalescence and anti-coalescence interferences, and prove that the anti-coalescence interference is the signature of photon entanglement.
PACS: 42.50.Dv – Nonclassical states of the electromagnetic field, including entangled photon states; quantum state engineering and measurements / 03.65.Ta – Foundations of quantum mechanics; measurement theory / 42.50.Ar – Photon statistics and coherence theory
© EDP Sciences, 2003
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