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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 14 — Jul. 15, 2009
  • pp: 2138–2140

Proposal for in-fiber generation of telecom-band polarization-entangled photon pairs using a periodically poled fiber

L. G. Helt, Eric Y. Zhu, Marco Liscidini, Li Qian, and J. E. Sipe  »View Author Affiliations


Optics Letters, Vol. 34, Issue 14, pp. 2138-2140 (2009)
http://dx.doi.org/10.1364/OL.34.002138


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Abstract

We treat spontaneous parametric downconversion in a periodically poled fiber, quasi-phase matched to allow for the generation of photon pairs at wavelengths within the low-loss telecommunications window. For an appropriate pump polarization, the unusual properties of such a fiber’s effective χ ( 2 ) result in a biphoton wave function that is symmetric upon simultaneous exchange of downconverted photon frequencies and polarizations and that is nonzero over a wide range of downconverted frequencies. This could lead to a significant technical simplification of sources of in-fiber telecom-band polarization-entangled photons.

© 2009 Optical Society of America

OCIS Codes
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(270.0270) Quantum optics : Quantum optics
(190.4975) Nonlinear optics : Parametric processes

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 15, 2009
Revised Manuscript: May 22, 2009
Manuscript Accepted: May 27, 2009
Published: July 9, 2009

Citation
L. G. Helt, Eric Y. Zhu, Marco Liscidini, Li Qian, and J. E. Sipe, "Proposal for in-fiber generation of telecom-band polarization-entangled photon pairs using a periodically poled fiber," Opt. Lett. 34, 2138-2140 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-14-2138

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