Optical Bell Measurement by Fock Filtering

Abstract

We describe a nonlinear interferometric setup to perform a complete optical Bell measurement, i.e. to unambigously discriminate the four polarization entangled EPR-Bell photon pairs. The scheme is robust against detector inefficiency.

8 pages, 2 figures

References in corpus (2)

• Experimental quantum teleportation
• Nonlinear Optics and Quantum Entanglement of Ultra-Slow Single Photons

Cited by in corpus (15)

• Research on Hidden Variable Theories: a review of recent progresses
• Weak nonlinearities: A new route to optical quantum computation
• A symmetry analyser for non-destructive Bell state detection using EIT
• Hyperentanglement-assisted Bell-state analysis
• Bell's theorem without inequalities and without probabilities for two observers
• Teleportation of a two-particle entangled state via W class states
• Efficient optical quantum information processing
• Measurement-induced strong Kerr nonlinearity for weak quantum states of light
• Coupled cavities for enhancing the cross-phase modulation in electromagnetically induced transparency
• Limitations on the Creation of Maximal Entanglement
• Near-Complete Teleportation of a Superposed Coherent State
• Sub-Heisenberg-limited nonlinear phase estimation: Parity measurement approaches the quantum Cramér-Rao bound
• Retraction of "Near-Deterministic Discrimination of All Bell States with Linear Optics," Phys. Rev. Lett. 107, 080403 (2011) and Erratum Phys. Rev. Lett. 107, 219901 (2011)
• Boosting photonic quantum computation with moderate nonlinearity
• Teleportation: from probability distributions to quantum states