Design of all-solid bandgap fiber with improved confinement and bend losses

Guobin Ren; Ping Shum; Liren Zhang; Min Yan; Xia Yu; Weijun Tong; Jie Luo

doi:10.1109/LPT.2006.887227

Design of all-solid bandgap fiber with improved confinement and bend losses

Guobin Ren
, Ping Shum
, Liren Zhang
, Min Yan
, Xia Yu
, Weijun Tong
, Jie Luo

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

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.

Original language	English
Pages (from-to)	2560-2562
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	18
Issue number	24
DOIs	https://doi.org/10.1109/LPT.2006.887227
Publication status	Published - Dec 15 2006
Externally published	Yes

Keywords

Bend loss
Confinement loss
Photonic bandgap
Photonic crystal fiber

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2006.887227

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title = "Design of all-solid bandgap fiber with improved confinement and bend losses",

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.",

keywords = "Bend loss, Confinement loss, Photonic bandgap, Photonic crystal fiber",

author = "Guobin Ren and Ping Shum and Liren Zhang and Min Yan and Xia Yu and Weijun Tong and Jie Luo",

note = "Funding Information: Manuscript received September 1, 2006. This work was supported in part by the project (M47040039) of the Agency for Science, Technology and Research, Singapore, and by the Open Fund of Key Laboratory of Optical Communication and Lightwave Technologies, (Beijing University of Posts and Telecommunications), Ministry of Education, China. G. Ren, P. Shum, L. Zhang, M. Yan, and X. Yu are with the Network Technology Research Centre, Nanyang Technological University, Singapore 637553, Singapore. W. Tong and J. Luo are with Yangtze Optical Fiber and Cable Co. Ltd., Wuhan 430073, China. Color versions of Figs. 1, 2, 4, and 5 are available at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2006.887227 Fig. 1. (a) Bandgap map and guided modes of Fiber A. (b) Bandgap and guided modes of Fiber B. Only 1–4 bandgaps are shown in figure. The axes are effective indexes n and normalized wavelength = . At the top of each figure, LP marked the photonic bands of cladding. The inset shows the unit cell and fiber profile of bandgap fiber.",

year = "2006",

month = dec,

day = "15",

doi = "10.1109/LPT.2006.887227",

language = "English",

volume = "18",

pages = "2560--2562",

journal = "IEEE Photonics Technology Letters",

issn = "1041-1135",

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T1 - Design of all-solid bandgap fiber with improved confinement and bend losses

AU - Ren, Guobin

AU - Shum, Ping

AU - Zhang, Liren

AU - Yan, Min

AU - Yu, Xia

AU - Tong, Weijun

AU - Luo, Jie

N1 - Funding Information: Manuscript received September 1, 2006. This work was supported in part by the project (M47040039) of the Agency for Science, Technology and Research, Singapore, and by the Open Fund of Key Laboratory of Optical Communication and Lightwave Technologies, (Beijing University of Posts and Telecommunications), Ministry of Education, China. G. Ren, P. Shum, L. Zhang, M. Yan, and X. Yu are with the Network Technology Research Centre, Nanyang Technological University, Singapore 637553, Singapore. W. Tong and J. Luo are with Yangtze Optical Fiber and Cable Co. Ltd., Wuhan 430073, China. Color versions of Figs. 1, 2, 4, and 5 are available at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2006.887227 Fig. 1. (a) Bandgap map and guided modes of Fiber A. (b) Bandgap and guided modes of Fiber B. Only 1–4 bandgaps are shown in figure. The axes are effective indexes n and normalized wavelength = . At the top of each figure, LP marked the photonic bands of cladding. The inset shows the unit cell and fiber profile of bandgap fiber.

PY - 2006/12/15

Y1 - 2006/12/15

N2 - 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.

AB - 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.

KW - Bend loss

KW - Confinement loss

KW - Photonic bandgap

KW - Photonic crystal fiber

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JO - IEEE Photonics Technology Letters

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Design of all-solid bandgap fiber with improved confinement and bend losses

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Keywords

ASJC Scopus subject areas

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