Abstract
We implement experimentally methods to generate photon-number–path and polarization entangled photon pairs using “beamlike” type-II spontaneous parametric down-conversion, in which the signal-idler photon pairs are emitted as two separate circular beams with small emission angles rather than as two diverging cones.
- Received 1 February 2003
DOI:https://doi.org/10.1103/PhysRevA.68.013804
©2003 American Physical Society