A tunable entanglement distiller for arbitrary two-photon polarization qubits is demonstrated using novel tunable local filters constructed with rotatable birefringent prisms. The distillation is confirmed by comparing the concurrences of the two-photon states.
© 2009 The Optical Society
(230.0230) Optical devices : Optical devices
(230.5440) Optical devices : Polarization-selective devices
(270.0270) Quantum optics : Quantum optics
(270.5585) Quantum optics : Quantum information and processing
H. S. Park, H. Kim, and S. Choi, "Entanglement Distillation of Two-Photon Polarization Qubits Using Tunable Local Filters," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper IWC5.
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