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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1960–1962

Silicon-on-insulator integrated source of polarization-entangled photons

Laurent Olislager, Jassem Safioui, Stéphane Clemmen, Kien Phan Huy, Wim Bogaerts, Roel Baets, Philippe Emplit, and Serge Massar  »View Author Affiliations


Optics Letters, Vol. 38, Issue 11, pp. 1960-1962 (2013)
http://dx.doi.org/10.1364/OL.38.001960


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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 nonmaximally entangled state. The produced state violates the CHSH Bell inequality by S=2.37±0.19.

© 2013 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(270.0270) Quantum optics : Quantum optics
(270.5565) Quantum optics : Quantum communications

ToC Category:
Integrated Optics

History
Original Manuscript: April 4, 2013
Revised Manuscript: May 3, 2013
Manuscript Accepted: May 3, 2013
Published: May 30, 2013

Citation
Laurent Olislager, Jassem Safioui, Stéphane Clemmen, Kien Phan Huy, Wim Bogaerts, Roel Baets, Philippe Emplit, and Serge Massar, "Silicon-on-insulator integrated source of polarization-entangled photons," Opt. Lett. 38, 1960-1962 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-11-1960

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