| Authors: | L. Olislager, J. Safioui, S. Clemmen, K. P. Huy, W. Bogaerts, R. Baets, P. EMplit, S. Massar | | Title: | Silicon-on-insulator integrated source of polarization-entangled photons | | Format: | International Journal | | Publication date: | 6/2013 | | Journal/Conference/Book: | Optics Letters
| | Volume(Issue): | 38(11) p.1960-1962 | | DOI: | 10.1364/ol.38.001960 | | Citations: | 50 (Dimensions.ai - last update: 3/12/2023)
30 (OpenCitations - last update: 19/4/2023)
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Abstract
We report the experimental generation of polarization-entangled photons at telecommunication wavelengths using spontaneous four-wave mixing in silicon-on-insulator wire waveguides. The key component is a 2D coupler that transforms path entanglement into polarization entanglement at the output of the device. Using quantum state tomography we find that the produced state has fidelity 88% with a pure non-maximally entangled state. The produced state violates the CHSH Bell inequality by S = 2.37±0.19. Related Projects
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