I will present progress in ultrafast all-optical quantum switching. χ(3)-based devices can route entangled single photons without disturbing their quantum state, whereas χ(2)-based devices can, in principle, lead to dissipation-free quantum-optical Fredkin gates.
© 2012 OSA
P. Kumar, "All-optical quantum switching," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper QM2H.1.
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