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Institute of Electrical and Electronics Engineers, IEEE Photonics Technology Letters, 24(18), p. 2560-2562, 2006

DOI: 10.1109/lpt.2006.887227

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Design of All-Solid Bandgap Fiber With Improved Confinement and Bend Losses

Journal article published in 2006 by Guobin Ren, Ping Shum, Liren Zhang, Min Yan ORCID, Xia Yu, Weijun Tong, Jie Luo
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We propose a new design of low-contrast all-solid bandgap fiber with low confinement and bend losses within low-order bandgaps. By introducing an index depressed layer around the high index rod in fiber cladding, we theoretically predict that the confinement loss of the proposed all-solid bandgap fiber would be significantly improved. Due to the enlarged index mismatch of the guided core mode and the edge of the bandgaps, the critical bend radius of the proposed fiber is remarkably reduced