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