Study on polarization spectrum and annealing properties of 45°-tilted fiber gratings

Xi Guo, Zhikun Xing, Huabao Qin, Qizhen Sun, Deming Liu, Lin Zhang, Zhijun Yan*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We have investigated the whole polarization-extinction-ratio (PER) spectrum and annealing properties of 45°-tilted fiber gratings (45°-TFGs). Experimental results show the PER spectrum of 45°-TFGs is a Gaussianlike profile and covers a 540 nm bandwidth from 1260 to 1800 nm, in which the bandwidth with PER greater than 10 dB is over 250 nm. The output polarization distribution of 45°-TFGs was analyzed by employing a bulk linear polarizer, and the results show a perfect figure "8", which indicates that the 45°-TFG is a type of linear polarizer. Moreover, the annealing property of 45°-TFGs was measured up to 700℃, in which the PER of the grating started to decrease at 300℃ and reached the minimum at 700℃. Based on these results, the 45°-TFGs can be used as an ultra-wide bandwidth in-fiber polarizing device.

Original languageEnglish
Article number050601
JournalChinese Optics Letters
Volume17
Issue number5
DOIs
Publication statusPublished - 20 May 2019

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gratings
Annealing
Polarization
annealing
fibers
Fibers
polarization
extinction
polarizers
bandwidth
Bandwidth
output
profiles

Cite this

Guo, Xi ; Xing, Zhikun ; Qin, Huabao ; Sun, Qizhen ; Liu, Deming ; Zhang, Lin ; Yan, Zhijun. / Study on polarization spectrum and annealing properties of 45°-tilted fiber gratings. In: Chinese Optics Letters. 2019 ; Vol. 17, No. 5.
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abstract = "We have investigated the whole polarization-extinction-ratio (PER) spectrum and annealing properties of 45°-tilted fiber gratings (45°-TFGs). Experimental results show the PER spectrum of 45°-TFGs is a Gaussianlike profile and covers a 540 nm bandwidth from 1260 to 1800 nm, in which the bandwidth with PER greater than 10 dB is over 250 nm. The output polarization distribution of 45°-TFGs was analyzed by employing a bulk linear polarizer, and the results show a perfect figure {"}8{"}, which indicates that the 45°-TFG is a type of linear polarizer. Moreover, the annealing property of 45°-TFGs was measured up to 700℃, in which the PER of the grating started to decrease at 300℃ and reached the minimum at 700℃. Based on these results, the 45°-TFGs can be used as an ultra-wide bandwidth in-fiber polarizing device.",
author = "Xi Guo and Zhikun Xing and Huabao Qin and Qizhen Sun and Deming Liu and Lin Zhang and Zhijun Yan",
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Study on polarization spectrum and annealing properties of 45°-tilted fiber gratings. / Guo, Xi; Xing, Zhikun; Qin, Huabao; Sun, Qizhen; Liu, Deming; Zhang, Lin; Yan, Zhijun.

In: Chinese Optics Letters, Vol. 17, No. 5, 050601, 20.05.2019.

Research output: Contribution to journalArticle

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AU - Guo, Xi

AU - Xing, Zhikun

AU - Qin, Huabao

AU - Sun, Qizhen

AU - Liu, Deming

AU - Zhang, Lin

AU - Yan, Zhijun

PY - 2019/5/20

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AB - We have investigated the whole polarization-extinction-ratio (PER) spectrum and annealing properties of 45°-tilted fiber gratings (45°-TFGs). Experimental results show the PER spectrum of 45°-TFGs is a Gaussianlike profile and covers a 540 nm bandwidth from 1260 to 1800 nm, in which the bandwidth with PER greater than 10 dB is over 250 nm. The output polarization distribution of 45°-TFGs was analyzed by employing a bulk linear polarizer, and the results show a perfect figure "8", which indicates that the 45°-TFG is a type of linear polarizer. Moreover, the annealing property of 45°-TFGs was measured up to 700℃, in which the PER of the grating started to decrease at 300℃ and reached the minimum at 700℃. Based on these results, the 45°-TFGs can be used as an ultra-wide bandwidth in-fiber polarizing device.

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