Cladding mode coupling suppression in hole-assisted fiber bragg gratings

Young Geun Han; Young Jun Lee; Gil Hwan Kim; Hung Su Cho; Ju Han Lee; Sang Bae Lee

doi:10.1002/mop.22050

Cladding mode coupling suppression in hole-assisted fiber bragg gratings

Young Geun Han, Young Jun Lee, Gil Hwan Kim, Hung Su Cho, Ju Han Lee, Sang Bae Lee

School of Electrical and Computer Engineering

Korea Institute of Science and Technology

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

1 Scopus citations

Abstract

We experimentally investigate the cladding mode coupling loss of fiber Bragg gratings written in hole-assisted fibers. The cladding mode coupling loss is remarkably suppressed due to air holes inside of the silica cladding. The reduction of cladding mode coupling loss of less than ∼0.33 dB is obtained. The wavelengths spacing between the main peak due to the core mode coupling and the first side peak due to the first order cladding mode coupling is changed by the increase of the air holes size since the effective index of cladding mode is reduced by the air hole size within the fiber. The variation of the wavelength spacing is ranged from 2.0 to 2.28 nm.

Original language	English
Pages (from-to)	74-76
Number of pages	3
Journal	Microwave and Optical Technology Letters
Volume	49
Issue number	1
DOIs	https://doi.org/10.1002/mop.22050
State	Published - Jan 2007

Keywords

Cladding mode coupling suppression
Fiber bragg grating
Holey fiber

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10.1002/mop.22050

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title = "Cladding mode coupling suppression in hole-assisted fiber bragg gratings",

abstract = "We experimentally investigate the cladding mode coupling loss of fiber Bragg gratings written in hole-assisted fibers. The cladding mode coupling loss is remarkably suppressed due to air holes inside of the silica cladding. The reduction of cladding mode coupling loss of less than ∼0.33 dB is obtained. The wavelengths spacing between the main peak due to the core mode coupling and the first side peak due to the first order cladding mode coupling is changed by the increase of the air holes size since the effective index of cladding mode is reduced by the air hole size within the fiber. The variation of the wavelength spacing is ranged from 2.0 to 2.28 nm.",

keywords = "Cladding mode coupling suppression, Fiber bragg grating, Holey fiber",

author = "Han, {Young Geun} and Lee, {Young Jun} and Kim, {Gil Hwan} and Cho, {Hung Su} and Lee, {Ju Han} and Lee, {Sang Bae}",

year = "2007",

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AU - Han, Young Geun

AU - Lee, Young Jun

AU - Kim, Gil Hwan

AU - Cho, Hung Su

AU - Lee, Ju Han

AU - Lee, Sang Bae

PY - 2007/1

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N2 - We experimentally investigate the cladding mode coupling loss of fiber Bragg gratings written in hole-assisted fibers. The cladding mode coupling loss is remarkably suppressed due to air holes inside of the silica cladding. The reduction of cladding mode coupling loss of less than ∼0.33 dB is obtained. The wavelengths spacing between the main peak due to the core mode coupling and the first side peak due to the first order cladding mode coupling is changed by the increase of the air holes size since the effective index of cladding mode is reduced by the air hole size within the fiber. The variation of the wavelength spacing is ranged from 2.0 to 2.28 nm.

AB - We experimentally investigate the cladding mode coupling loss of fiber Bragg gratings written in hole-assisted fibers. The cladding mode coupling loss is remarkably suppressed due to air holes inside of the silica cladding. The reduction of cladding mode coupling loss of less than ∼0.33 dB is obtained. The wavelengths spacing between the main peak due to the core mode coupling and the first side peak due to the first order cladding mode coupling is changed by the increase of the air holes size since the effective index of cladding mode is reduced by the air hole size within the fiber. The variation of the wavelength spacing is ranged from 2.0 to 2.28 nm.

KW - Cladding mode coupling suppression

KW - Fiber bragg grating

KW - Holey fiber

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JO - Microwave and Optical Technology Letters

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Cladding mode coupling suppression in hole-assisted fiber bragg gratings

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