In-fiber single-polarization diffraction grating based on radiant tilted fiber grating

Huabao Qin, Qinyun He, Zhikun Xing, Xi Guo, Zhijun Yan*, Qizhen Sun, Chao Wang, Kaiming Zhou, Deming Liu, Lin Zhang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

In this Letter, we propose an in-fiber single-polarization diffraction grating based on a radiant tilted fiber grating (TFG), in which the s-polarization light could be diffracted from the fiber core to free space with the wavelength-dependent diffraction angle. For the first time, we have presented the theoretical model of angular dispersion of a radiant TFG by employing the Fourier optics analysis method. The angular dispersion of the radiant TFG has been numerically characterized in terms of tilt angle, period, and wavelength. In the experiment, we have measured the diffraction angles and angular dispersion of the radiant TFGs with tilt angles of 41°, 45°, and 47° UV-inscribed into single-mode fiber, where the experimental results matched well with the simulation results. The simulation and experimental results have indicated that the diffraction light of radiant TFGs has a linear polarization state with over 0.99 degree of polarization at the tilt angle range from 41° to 47°.

Original languageEnglish
Pages (from-to)4407-4410
Number of pages4
JournalOptics Letters
Volume44
Issue number17
Early online date12 Aug 2019
DOIs
Publication statusPublished - 29 Aug 2019

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gratings (spectra)
gratings
fibers
polarization
diffraction
linear polarization
wavelengths
simulation
optics

Bibliographical note

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: https://doi.org/10.1364/OL.44.004407. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Cite this

Qin, Huabao ; He, Qinyun ; Xing, Zhikun ; Guo, Xi ; Yan, Zhijun ; Sun, Qizhen ; Wang, Chao ; Zhou, Kaiming ; Liu, Deming ; Zhang, Lin. / In-fiber single-polarization diffraction grating based on radiant tilted fiber grating. In: Optics Letters. 2019 ; Vol. 44, No. 17. pp. 4407-4410.
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abstract = "In this Letter, we propose an in-fiber single-polarization diffraction grating based on a radiant tilted fiber grating (TFG), in which the s-polarization light could be diffracted from the fiber core to free space with the wavelength-dependent diffraction angle. For the first time, we have presented the theoretical model of angular dispersion of a radiant TFG by employing the Fourier optics analysis method. The angular dispersion of the radiant TFG has been numerically characterized in terms of tilt angle, period, and wavelength. In the experiment, we have measured the diffraction angles and angular dispersion of the radiant TFGs with tilt angles of 41°, 45°, and 47° UV-inscribed into single-mode fiber, where the experimental results matched well with the simulation results. The simulation and experimental results have indicated that the diffraction light of radiant TFGs has a linear polarization state with over 0.99 degree of polarization at the tilt angle range from 41° to 47°.",
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Qin, H, He, Q, Xing, Z, Guo, X, Yan, Z, Sun, Q, Wang, C, Zhou, K, Liu, D & Zhang, L 2019, 'In-fiber single-polarization diffraction grating based on radiant tilted fiber grating', Optics Letters, vol. 44, no. 17, pp. 4407-4410. https://doi.org/10.1364/OL.44.004407

In-fiber single-polarization diffraction grating based on radiant tilted fiber grating. / Qin, Huabao; He, Qinyun; Xing, Zhikun; Guo, Xi; Yan, Zhijun; Sun, Qizhen; Wang, Chao; Zhou, Kaiming; Liu, Deming; Zhang, Lin.

In: Optics Letters, Vol. 44, No. 17, 29.08.2019, p. 4407-4410.

Research output: Contribution to journalArticle

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AU - Sun, Qizhen

AU - Wang, Chao

AU - Zhou, Kaiming

AU - Liu, Deming

AU - Zhang, Lin

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