Abstract
This erratum amends the wrongly cited NSF grant number in acknowledgment section in our publication.
© 2015 Optical Society of America
The correct NSF grant number in the Acknowledgment text is DMR- 1206669 instead of DMR-0906474. The revised Acknowledgment is provided below:
Acknowledgment
The authors thank Dr. Dennis J. Trevor of OFS Laboratories for insightful discussions in the course of this investigation. This work was sponsored by the US National Science Foundation under grant numbers ECCS-0922175 and DMR-1206669, and by the Ministry of Education, Youth and Sport of the Czech Republic under grant number LH 11038 within the U.S.-Czech S&T Cooperation agreement.
Reference
1. F. Tian, J. Kanka, B. Zou, K. S. Chiang, and H. Du, “Long-period gratings inscribed in photonic crystal fiber by symmetric CO2 laser irradiation,” Opt. Express 21(11), 13208–13218 (2013). [CrossRef] [PubMed]