Tunable spatial decoherers for polarization-entangled photons
Optics Letters, Vol. 31, Issue 13, pp. 2057-2059 (2006)
http://dx.doi.org/10.1364/OL.31.002057
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Abstract
We report a novel controllable source of spatial decoherence for twin photons, based upon commercially available wedge depolarizers. This allows us to convert the polarization-entangled singlet state into a tunable mixed state. A full characterization of this mixed state, by means of quantum tomography, shows that such a spatial decoherer can be used for synthesizing Werner-like states on demand.
© 2006 Optical Society of America
OCIS Codes
(230.0230) Optical devices : Optical devices
(230.5440) Optical devices : Polarization-selective devices
(270.0270) Quantum optics : Quantum optics
ToC Category:
Quantum Optics
History
Original Manuscript: January 26, 2006
Revised Manuscript: April 10, 2006
Manuscript Accepted: April 11, 2006
Citation
Graciana Puentes, Dirk Voigt, Andrea Aiello, and J. P. Woerdman, "Tunable spatial decoherers for polarization-entangled photons," Opt. Lett. 31, 2057-2059 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-13-2057
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