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Direct polarization-entangled Bell state generation via spontaneous four-wave mixing in AlGaAs waveguides

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Abstract

We demonstrate the generation of polarization-entangled photon pairs in an integrated AlGaAs waveguide using spontaneous four-wave-mixing. State tomography is performed, with the concurrence found to be 0.97±0.01, and fidelity to a maximally-entangled state to be 0.97.

© 2016 Optical Society of America

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