Details

Autor(en) / Beteiligte

• BARREIRO, Julio T
• LANGFORD, Nathan K
• PETERS, Nicholas A
• KWIAT, Paul G

Titel

Generation of hyperentangled photon pairs

Ist Teil von

• Physical review letters, 2005-12, Vol.95 (26), p.260501.1-260501.4, Article 260501

Ort / Verlag

Ridge, NY: American Physical Society

Erscheinungsjahr

2005

Quelle

American Physical Society [PROLA]

Beschreibungen/Notizen

• We experimentally demonstrate the first quantum system entangled in every degree of freedom (hyperentangled). Using pairs of photons produced in spontaneous parametric down-conversion, we verify entanglement by observing a Bell-type inequality violation in each degree of freedom: polarization, spatial mode, and time energy. We also produce and characterize maximally hyperentangled states and novel states simultaneously exhibiting both quantum and classical correlations. Finally, we report the tomography of a 2 x 2 x 3 x 3 system (36-dimensional Hilbert space), which we believe is the first reported photonic entangled system of this size to be so characterized.