Chin. Phys. Lett.  2006, Vol. 23 Issue (3): 552-555    DOI:
Original Articles |
Engineering of Multi-Dimensional Entangled States of Photon Pairs Using Hyper-Entanglement
REN Xi-Feng;GUO Guo-Ping;LI Jian;LI Chuan-Feng;GUO Guang-Can
Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026
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REN Xi-Feng, GUO Guo-Ping, LI Jian et al  2006 Chin. Phys. Lett. 23 552-555
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Abstract Multi-dimensional entangled states have been proven to be more powerful in some quantum information processes. Down-converted photons from spontaneous parametric down-conversion are used to engineer multi-dimensional entangled states. A kind of multi-degree multi-dimensional Greenberger--Horne--Zeilinger states can also be generated. The hyper-entangled photons are entangled in energy-time, polarization and orbital angular momentum, which is proven to be useful to increase the dimension of systems and to investigate higher-dimensional entangled states.
Keywords: 03.67.Mn      03.65.Ud      42.50.Dv     
Published: 01 March 2006
PACS:  03.67.Mn (Entanglement measures, witnesses, and other characterizations)  
  03.65.Ud (Entanglement and quantum nonlocality)  
  42.50.Dv (Quantum state engineering and measurements)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I3/0552
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REN Xi-Feng
GUO Guo-Ping
LI Jian
LI Chuan-Feng
GUO Guang-Can
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