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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 2 — Feb. 1, 2007
  • pp: 295–299

Quantum transduction via frequency upconversion (Invited)

Aaron P. VanDevender and Paul G. Kwiat  »View Author Affiliations


JOSA B, Vol. 24, Issue 2, pp. 295-299 (2007)
http://dx.doi.org/10.1364/JOSAB.24.000295


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Abstract

We describe a method for efficiently and coherently converting photons from one wavelength to another through the process of nonlinear upconversion. By using an intense 1064 nm escort laser pulse and a periodically poled lithium niobate (PPLN) crystal, we demonstrate upconversion efficiency of 99% and coherence of 95% for 1550 to 631 nm light at the single-photon level, thereby qualifying it for use in manipulation of photonic qubits. We then show how to create photons in arbitrary superpositions of different energy states, thereby enlarging the accessible Hilbert space for quantum information applications.

© 2007 Optical Society of America

OCIS Codes
(190.7220) Nonlinear optics : Upconversion
(270.1670) Quantum optics : Coherent optical effects

ToC Category:
Hybridization

History
Original Manuscript: September 22, 2006
Revised Manuscript: October 13, 2006
Manuscript Accepted: October 15, 2006
Published: January 26, 2007

Citation
Aaron P. VanDevender and Paul G. Kwiat, "Quantum transduction via frequency upconversion (Invited)," J. Opt. Soc. Am. B 24, 295-299 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-2-295

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