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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 19 — Sep. 13, 2010
  • pp: 20114–20114
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High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide: erratum

Tian Zhong, Franco N. C. Wong, Tony D. Roberts, and Philip Battle  »View Author Affiliations


Optics Express, Vol. 18, Issue 19, pp. 20114-20114 (2010)
http://dx.doi.org/10.1364/OE.18.020114


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Abstract

We report and correct an error in the estimated overall detection efficiencies for signal and idler photons of the waveguide source.

© 2010 Optical Society of America

In Section 4, Paragraph 1, Line 14 of our paper [1

1. T. Zhong, F. N. C. Wong, T. Robert, and P. Battle, “High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide,” Opt. Express 17, 12019–12030 (2009). [CrossRef] [PubMed]

], there is an error in the estimated overall detection efficiencies ηs, ηi for signal and idler photons, respectively, in our photon-pair coincidence measurement. The estimates of ηs ≃ 1.8% and ηi ≃ 2.8% in [1

1. T. Zhong, F. N. C. Wong, T. Robert, and P. Battle, “High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide,” Opt. Express 17, 12019–12030 (2009). [CrossRef] [PubMed]

] did not include the waveguide-to-fiber coupling loss, which was ~50% for each channel. The correct efficiencies should therefore be ηs ≃ 0.9% and ηi ≃ 1.4%.

The efficiency corrections do not affect any of the experimental results and conclusions, including the pair generation rate of 2.0 × 107 pairs/s/mW which was calculated correctly in [1

1. T. Zhong, F. N. C. Wong, T. Robert, and P. Battle, “High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide,” Opt. Express 17, 12019–12030 (2009). [CrossRef] [PubMed]

]. We thank Don Schmadel from the University of Maryland, College Park for pointing out the error.

References and links

1.

T. Zhong, F. N. C. Wong, T. Robert, and P. Battle, “High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide,” Opt. Express 17, 12019–12030 (2009). [CrossRef] [PubMed]

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.5290) Quantum optics : Photon statistics
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: September 2, 2010
Published: September 3, 2010

Citation
Tian Zhong, Franco N. C. Wong, Tony D. Roberts, and Philip Battle, "High performance photon-pair source based on a fiber-coupled periodically poled KTiOPO4 waveguide: erratum," Opt. Express 18, 20114-20114 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-19-20114


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