Sensitivity characteristics around dispersion turning points of long-period fiber gratings in B/Ge codoped fiber

Xuewen Shu; Lin Zhang; Ian Bennion

doi:10.1364/OL.26.001755

Sensitivity characteristics around dispersion turning points of long-period fiber gratings in B/Ge codoped fiber

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Abstract

We report a theoretical and experimental investigation of the dispersion property of long-period fiber gratings in B/Ge codoped fiber. A novel concept of a mode ultrasensitive zone defined by a region in which the phase-matching conditions are close to the dispersion turning points is proposed. The transition from a dual-resonance state to a dispersion turning point is revealed for a set of ultrasensitive-zone gratings during the UV-writing process. We explore the sensitivity characteristics near the dispersion turning points, with the aim of implementing two types of temperature sensor with sensitivity 2 orders of magnitude higher than that of the conventional long-period gratings.

Original language	English
Pages (from-to)	1755-1757
Number of pages	3
Journal	Optics Letters
Volume	26
Issue number	22
DOIs	https://doi.org/10.1364/OL.26.001755
Publication status	Published - 15 Nov 2001

Bibliographical note

Funding: This work was carried out with the support of a UK Engineering and Physical Sciences Research Council research grant.

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title = "Sensitivity characteristics around dispersion turning points of long-period fiber gratings in B/Ge codoped fiber",

abstract = "We report a theoretical and experimental investigation of the dispersion property of long-period fiber gratings in B/Ge codoped fiber. A novel concept of a mode ultrasensitive zone defined by a region in which the phase-matching conditions are close to the dispersion turning points is proposed. The transition from a dual-resonance state to a dispersion turning point is revealed for a set of ultrasensitive-zone gratings during the UV-writing process. We explore the sensitivity characteristics near the dispersion turning points, with the aim of implementing two types of temperature sensor with sensitivity 2 orders of magnitude higher than that of the conventional long-period gratings.",

author = "Xuewen Shu and Lin Zhang and Ian Bennion",

note = "Funding: This work was carried out with the support of a UK Engineering and Physical Sciences Research Council research grant.",

year = "2001",

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doi = "10.1364/OL.26.001755",

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T1 - Sensitivity characteristics around dispersion turning points of long-period fiber gratings in B/Ge codoped fiber

AU - Shu, Xuewen

AU - Zhang, Lin

AU - Bennion, Ian

N1 - Funding: This work was carried out with the support of a UK Engineering and Physical Sciences Research Council research grant.

PY - 2001/11/15

Y1 - 2001/11/15

N2 - We report a theoretical and experimental investigation of the dispersion property of long-period fiber gratings in B/Ge codoped fiber. A novel concept of a mode ultrasensitive zone defined by a region in which the phase-matching conditions are close to the dispersion turning points is proposed. The transition from a dual-resonance state to a dispersion turning point is revealed for a set of ultrasensitive-zone gratings during the UV-writing process. We explore the sensitivity characteristics near the dispersion turning points, with the aim of implementing two types of temperature sensor with sensitivity 2 orders of magnitude higher than that of the conventional long-period gratings.

AB - We report a theoretical and experimental investigation of the dispersion property of long-period fiber gratings in B/Ge codoped fiber. A novel concept of a mode ultrasensitive zone defined by a region in which the phase-matching conditions are close to the dispersion turning points is proposed. The transition from a dual-resonance state to a dispersion turning point is revealed for a set of ultrasensitive-zone gratings during the UV-writing process. We explore the sensitivity characteristics near the dispersion turning points, with the aim of implementing two types of temperature sensor with sensitivity 2 orders of magnitude higher than that of the conventional long-period gratings.

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JO - Optics Letters

JF - Optics Letters

IS - 22

ER -

Sensitivity characteristics around dispersion turning points of long-period fiber gratings in B/Ge codoped fiber

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