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.

Publication DOI: https://doi.org/10.1364/OL.30.001285
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: © 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.
Uncontrolled Keywords: diffraction and gratings,gratings fiber optics and optical communications,fiber optics,Atomic and Molecular Physics, and Optics
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Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.osa ... i=ol-30-11-1285 (Publisher URL)
PURE Output Type: Article
Published Date: 2005-06-01
Authors: Zhou, Kaiming ( 0000-0002-6011-1912)
Simpson, George
Chen, Xianfeng
Zhang, Lin ( 0000-0002-1691-5577)
Bennion, Ian

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