Two-photon interferences with degenerate and nondegenerate paired photons
SCIE
SCOPUS
- Title
- Two-photon interferences with degenerate and nondegenerate paired photons
- Authors
- Chang Liu; Chen, JF; Zhang, SC; Zhou, SY; Kim, YH; Loy, MMT; Wong, GKL; Du, SW
- Date Issued
- 2012-02-13
- Publisher
- APS
- Abstract
- We generate narrow-band frequency-tunable entangled photon pairs from spontaneous four-wave mixing in three-level cold atoms and study their two-photon quantum interference after a beam splitter. We find that the path-exchange symmetry plays a more important role in the Hong-Ou-Mandel interference than the temporal or frequency indistinguishability, and observe coalescence interference for both degenerate and nondegenerate photons. We also observe a quantum beat in the same experimental setup using either slow or fast detectors.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/11945
- DOI
- 10.1103/PHYSREVA.85.021803
- ISSN
- 1050-2947
- Article Type
- Article
- Citation
- PHYSICAL REVIEW A, vol. 85, no. 2, page. 21803, 2012-02-13
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