High extinction ratio in-fiber polarizers based on 45° tilted fiber Bragg gratings

Kaiming Zhou; George Simpson; Xianfeng Chen; Lin Zhang; Ian Bennion

doi:10.1364/OL.30.001285

High extinction ratio in-fiber polarizers based on 45° tilted fiber Bragg gratings

Kaiming Zhou^*, George Simpson, Xianfeng Chen, Lin Zhang, Ian Bennion

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

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

Abstract

We report a near-ideal in-fiber polarizer implemented by use of 45° tilted fiber Bragg grating structures that are UV inscribed in hydrogenated Ge-doped fiber. We demonstrate a polarization-extinction ratio of 33 dB over a 100-nm operation range near 1550 nm. We further show an achievement of 99.5% degree of polarization for unpolarized light with these gratings. We also theoretically investigate tilted grating structures based on the Green's function calculation, therein revealing the unique polarization characteristics, which are in excellent agreement with experimental data.

Original language	English
Pages (from-to)	1285-1287
Number of pages	3
Journal	Optics Letters
Volume	30
Issue number	11
DOIs	https://doi.org/10.1364/OL.30.001285
Publication status	Published - 1 Jun 2005

Bibliographical note

© 2005 The Optical Society. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-11-1285. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Keywords

diffraction and gratings
gratings fiber optics and optical communications
fiber optics

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10.1364/OL.30.001285

Km-2005OL-45deg_TFBG.pdf
© 2005 The Optical Society. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-11-1285. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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Cite this

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title = "High extinction ratio in-fiber polarizers based on 45° tilted fiber Bragg gratings",

abstract = "We report a near-ideal in-fiber polarizer implemented by use of 45° tilted fiber Bragg grating structures that are UV inscribed in hydrogenated Ge-doped fiber. We demonstrate a polarization-extinction ratio of 33 dB over a 100-nm operation range near 1550 nm. We further show an achievement of 99.5% degree of polarization for unpolarized light with these gratings. We also theoretically investigate tilted grating structures based on the Green's function calculation, therein revealing the unique polarization characteristics, which are in excellent agreement with experimental data.",

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AU - Chen, Xianfeng

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AU - Bennion, Ian

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High extinction ratio in-fiber polarizers based on 45° tilted fiber Bragg gratings

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