Reconfigurable controlled two-qubit operation on a quantum photonic chip

Details Reconfigurable controlled two-qubit operation on a quantum photonic chip Reconfigurable controlled two-qubit operation on a quantum photonic chip

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011njph...13k5009l&link_type=abstract

New Journal of Physics, Volume 13, Issue 11, pp. 115009 (2011).

Physics

Scientific paper

Integrated quantum photonics is an appealing platform for quantum information processing, quantum communication and quantum metrology. In all these applications it is necessary not only to be able to create and detect Fock states of light but also to programme the photonic circuits that implement some desired logical operation. Here we demonstrate a reconfigurable controlled two-qubit operation on a chip using a multiwaveguide interferometer with a tunable phase shifter. We found excellent agreement between theory and experiment, with a 0.98 ± 0.02 average similarity between measured and ideal operations.

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