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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 9 — May. 1, 2012
  • pp: 1481–1483

Generation of polarization entangled photons using concurrent type-I and type-0 processes in AlGaAs ridge waveguides

Dongpeng Kang and Amr S. Helmy  »View Author Affiliations


Optics Letters, Vol. 37, Issue 9, pp. 1481-1483 (2012)
http://dx.doi.org/10.1364/OL.37.001481


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Abstract

A technique to generate polarization entangled photons using concurrent type-I and type-0 second-order nonlinear processes in monolithic Bragg reflection waveguides is presented and analyzed. Concurrent phase matching is achieved by lithographic tuning of the waveguide ridge width. Nearly perfect entanglement is achievable on-chip through appropriate epistructure design without the need of spectral filtering and group velocity compensation. Theoretical calculations predict that a high quantum interference visibility could be experimentally achieved with the pair generation rate of each process being approximately 3.0×106pairs/s/mW/GHz

© 2012 Optical Society of America

OCIS Codes
(130.5990) Integrated optics : Semiconductors
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(270.5585) Quantum optics : Quantum information and processing
(130.7405) Integrated optics : Wavelength conversion devices

ToC Category:
Integrated Optics

History
Original Manuscript: January 3, 2012
Revised Manuscript: February 22, 2012
Manuscript Accepted: February 27, 2012
Published: April 25, 2012

Citation
Dongpeng Kang and Amr S. Helmy, "Generation of polarization entangled photons using concurrent type-I and type-0 processes in AlGaAs ridge waveguides," Opt. Lett. 37, 1481-1483 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-9-1481


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