Generating mixtures of spatial qubits
arXiv:0808.1885 · doi:10.1016/j.optcom.2008.06.050
Abstract
In a recent letter [Phys. Rev. Lett. 94, 100501 (2005)], we presented a scheme for generating pure entangled states of spatial qudits (-dimensional quantum systems) by using the momentum transverse correlation of the parametric down-converted photons. In this work we discuss a generalization of this process to enable the creation of mixed states. With the technique proposed we experimentally generated a mixture of two spatial qubits.
To appear in Optics Communications
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Cited by in corpus (4)
- Spatial correlations in parametric down-conversion
- Manipulating spatial qudit states with programmable optical devices
- Boosting entanglement generation in down-conversion with incoherent illumination
- Experimental hierarchy and optimal robustness of quantum correlations of two-qubit states with controllable white noise