- Abstract:
-
We report free-space distribution of entangled photon pairs over a noisy ground atmosphere of 13km. It is shown that the desired entanglement can still survive after the two entangled photons have passed through the noisy ground atmosphere. This is confirmed by observing a space-like separated violation of Bell inequality of $2.45 \pm 0.09$. On this basis, we exploit the distributed entangled photon source to demonstrate the BB84 quantum cryptography scheme. The distribution distance of entan...
Expand abstract - Publisher copy:
- 10.1103/PhysRevLett.94.150501
-
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- Journal:
- Phy. Rev. Lett.
- Volume:
- 94
- Issue:
- 15
- Pages:
- 150501
- Publication date:
- 2004-12-31
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- URN:
-
uuid:39368332-271c-4d16-ac65-eeb75e0b7acc
- Source identifiers:
-
198661
- Local pid:
- pubs:198661
- Keywords:
- Copyright date:
- 2004
- Notes:
- 4 pages, 3 figures
Journal article
Experimental Free-Space Distribution of Entangled Photon Pairs over a Noisy Ground Atmosphere of 13km
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