Sampled Bragg gratings in chalcogenide (As2S3) rib-waveguides

Neil J. Baker; Ho W. Lee; Ian C.M. Littler; C. Martijn De Sterke; Benjamin J. Eggleton; Duk Yong Choi; Steve Madden; Barry Luther-Davies

doi:10.1364/OE.14.009451

Sampled Bragg gratings in chalcogenide (As₂S₃) rib-waveguides

Neil J. Baker^*, Ho W. Lee, Ian C.M. Littler, C. Martijn De Sterke, Benjamin J. Eggleton, Duk Yong Choi, Steve Madden, Barry Luther-Davies

^*Corresponding author for this work

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

39 Citations (Scopus)

Abstract

We have written a sampled Bragg grating into a highly photosensitive chalcogenide (As₂S₃) rib-waveguide using a scanning Sagnac interferometer. The grating exhibits evenly spaced rejection peaks over a 40 nm bandwidth. We estimate the induced refractive index change of the waveguide to be over 0.03 by matching the measured spectrum to numerical solutions of the coupled mode equations while accounting for an induced chirp. The sampled Bragg grating presented is comparable in strength and bandwidth to the best sampled Bragg gratings obtained to date in silica optical fibre.

Original language	English
Pages (from-to)	9451-9459
Number of pages	9
Journal	Optics Express
Volume	14
Issue number	20
DOIs	https://doi.org/10.1364/OE.14.009451
Publication status	Published - Oct 2006

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title = "Sampled Bragg gratings in chalcogenide (As2S3) rib-waveguides",

abstract = "We have written a sampled Bragg grating into a highly photosensitive chalcogenide (As2S3) rib-waveguide using a scanning Sagnac interferometer. The grating exhibits evenly spaced rejection peaks over a 40 nm bandwidth. We estimate the induced refractive index change of the waveguide to be over 0.03 by matching the measured spectrum to numerical solutions of the coupled mode equations while accounting for an induced chirp. The sampled Bragg grating presented is comparable in strength and bandwidth to the best sampled Bragg gratings obtained to date in silica optical fibre.",

author = "Baker, {Neil J.} and Lee, {Ho W.} and Littler, {Ian C.M.} and {De Sterke}, {C. Martijn} and Eggleton, {Benjamin J.} and Choi, {Duk Yong} and Steve Madden and Barry Luther-Davies",

year = "2006",

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doi = "10.1364/OE.14.009451",

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T1 - Sampled Bragg gratings in chalcogenide (As2S3) rib-waveguides

AU - Baker, Neil J.

AU - Lee, Ho W.

AU - Littler, Ian C.M.

AU - De Sterke, C. Martijn

AU - Eggleton, Benjamin J.

AU - Choi, Duk Yong

AU - Madden, Steve

AU - Luther-Davies, Barry

PY - 2006/10

Y1 - 2006/10

N2 - We have written a sampled Bragg grating into a highly photosensitive chalcogenide (As2S3) rib-waveguide using a scanning Sagnac interferometer. The grating exhibits evenly spaced rejection peaks over a 40 nm bandwidth. We estimate the induced refractive index change of the waveguide to be over 0.03 by matching the measured spectrum to numerical solutions of the coupled mode equations while accounting for an induced chirp. The sampled Bragg grating presented is comparable in strength and bandwidth to the best sampled Bragg gratings obtained to date in silica optical fibre.

AB - We have written a sampled Bragg grating into a highly photosensitive chalcogenide (As2S3) rib-waveguide using a scanning Sagnac interferometer. The grating exhibits evenly spaced rejection peaks over a 40 nm bandwidth. We estimate the induced refractive index change of the waveguide to be over 0.03 by matching the measured spectrum to numerical solutions of the coupled mode equations while accounting for an induced chirp. The sampled Bragg grating presented is comparable in strength and bandwidth to the best sampled Bragg gratings obtained to date in silica optical fibre.

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U2 - 10.1364/OE.14.009451

DO - 10.1364/OE.14.009451

M3 - Article

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VL - 14

SP - 9451

EP - 9459

JO - Optics Express

JF - Optics Express

IS - 20

ER -

Sampled Bragg gratings in chalcogenide (As₂S₃) rib-waveguides

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