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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 9 — May. 6, 2013
  • pp: 10841–10849

Generation of polarization-entangled photon pairs in a Bragg reflection waveguide

A. Vallés, M. Hendrych, J. Svozilík, R. Machulka, P. Abolghasem, D. Kang, B. J. Bijlani, A. S. Helmy, and J. P. Torres  »View Author Affiliations

Optics Express, Vol. 21, Issue 9, pp. 10841-10849 (2013)

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We demonstrate experimentally that spontaneous parametric down-conversion in an AlxGa1−xAs semiconductor Bragg reflection waveguide can make for paired photons highly entangled in the polarization degree of freedom at the telecommunication wavelength of 1550 nm. The pairs of photons show visibility higher than 90% in several polarization bases and violate a Clauser-Horne-Shimony-Holt Bell-like inequality by more than 3 standard deviations. This represents a significant step toward the realization of efficient and versatile self pumped sources of entangled photon pairs on-chip.

© 2013 OSA

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.0270) Quantum optics : Quantum optics

ToC Category:
Quantum Optics

Original Manuscript: March 13, 2013
Revised Manuscript: April 12, 2013
Manuscript Accepted: April 12, 2013
Published: April 26, 2013

A. Vallés, M. Hendrych, J. Svozilík, R. Machulka, P. Abolghasem, D. Kang, B. J. Bijlani, A. S. Helmy, and J. P. Torres, "Generation of polarization-entangled photon pairs in a Bragg reflection waveguide," Opt. Express 21, 10841-10849 (2013)

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