Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural Fluctuations
We numerically investigate the surface Brillouin scattering (surface-BS) in a transverse Anderson localization (TAL) guiding silica glass-air disordered optical fiber (DOF) with random air-holes. The normalized light intensity profiles of light beams propagating along DOF at different launch positio...
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IEEE
2018-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/8259289/ |
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| author | Sheng Liang Yongxin Zhang Xin Wang Xinzhi Sheng Shuqin Lou Bo Lin Mingli Dong Lianqing Zhu |
| author_facet | Sheng Liang Yongxin Zhang Xin Wang Xinzhi Sheng Shuqin Lou Bo Lin Mingli Dong Lianqing Zhu |
| author_sort | Sheng Liang |
| collection | DOAJ |
| description | We numerically investigate the surface Brillouin scattering (surface-BS) in a transverse Anderson localization (TAL) guiding silica glass-air disordered optical fiber (DOF) with random air-holes. The normalized light intensity profiles of light beams propagating along DOF at different launch positions are obtained, which confirms the TAL mechanism. Then, the surface-BS in DOF is numerically investigated by the equation of elastodynamics with the electrostriction. It is found that there are two main peaks in the surface-BS spectrum and the Brillouin frequency shift (BFS) is sensitive to the air-fill fraction of DOF. Furthermore, the feasibility of longitudinal structural fluctuations evaluating of DOF by the Brillouin optical time-domain analysis technique is analyzed and discussed. The average sensitivity of BFS to the air-fill fraction is simulated to obtain an optimal performance in practical application. This paper is an interesting theoretical enlightenment for combining the novel concepts of surface-BS and DOF, also a useful exploration of longitudinal structural evaluating method for special optical fibers with microstructures. |
| format | Article |
| id | doaj-art-bcdf36d11754464187afc12b3671ca35 |
| institution | OA Journals |
| issn | 1943-0655 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-bcdf36d11754464187afc12b3671ca352025-08-20T02:38:03ZengIEEEIEEE Photonics Journal1943-06552018-01-011011810.1109/JPHOT.2018.27938688259289Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural FluctuationsSheng Liang0https://orcid.org/0000-0002-8251-5758Yongxin Zhang1Xin Wang2Xinzhi Sheng3Shuqin Lou4https://orcid.org/0000-0003-3537-7951Bo Lin5Mingli Dong6Lianqing Zhu7Key Laboratory of Education Ministry on Luminescence and Optical Information Technology, National Physical Experiment Teaching Demonstration Center, Department of Physics, School of Science, Beijing Jiaotong University, Beijing, ChinaKey Laboratory of Education Ministry on Luminescence and Optical Information Technology, National Physical Experiment Teaching Demonstration Center, Department of Physics, School of Science, Beijing Jiaotong University, Beijing, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, ChinaKey Laboratory of Education Ministry on Luminescence and Optical Information Technology, National Physical Experiment Teaching Demonstration Center, Department of Physics, School of Science, Beijing Jiaotong University, Beijing, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, ChinaChina Academy of Electronics and Information Technology, Beijing, ChinaBeijing Key Laboratory for Optoelectronics Measurement Technology, Beijing Engineering Research Center of Optoelectronic Information and Instruments, Beijing Information Science and Technology University, Beijing, ChinaBeijing Key Laboratory for Optoelectronics Measurement Technology, Beijing Engineering Research Center of Optoelectronic Information and Instruments, Beijing Information Science and Technology University, Beijing, ChinaWe numerically investigate the surface Brillouin scattering (surface-BS) in a transverse Anderson localization (TAL) guiding silica glass-air disordered optical fiber (DOF) with random air-holes. The normalized light intensity profiles of light beams propagating along DOF at different launch positions are obtained, which confirms the TAL mechanism. Then, the surface-BS in DOF is numerically investigated by the equation of elastodynamics with the electrostriction. It is found that there are two main peaks in the surface-BS spectrum and the Brillouin frequency shift (BFS) is sensitive to the air-fill fraction of DOF. Furthermore, the feasibility of longitudinal structural fluctuations evaluating of DOF by the Brillouin optical time-domain analysis technique is analyzed and discussed. The average sensitivity of BFS to the air-fill fraction is simulated to obtain an optimal performance in practical application. This paper is an interesting theoretical enlightenment for combining the novel concepts of surface-BS and DOF, also a useful exploration of longitudinal structural evaluating method for special optical fibers with microstructures.https://ieeexplore.ieee.org/document/8259289/Disordered optical fiber (DOF)transverse Anderson localization (TAL)surface Brillouin scattering (surface-BS)longitudinal structural fluctuations evaluation |
| spellingShingle | Sheng Liang Yongxin Zhang Xin Wang Xinzhi Sheng Shuqin Lou Bo Lin Mingli Dong Lianqing Zhu Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural Fluctuations IEEE Photonics Journal Disordered optical fiber (DOF) transverse Anderson localization (TAL) surface Brillouin scattering (surface-BS) longitudinal structural fluctuations evaluation |
| title | Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural Fluctuations |
| title_full | Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural Fluctuations |
| title_fullStr | Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural Fluctuations |
| title_full_unstemmed | Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural Fluctuations |
| title_short | Surface Brillouin Scattering in Disordered Optical Fibers With Transverse Anderson Localization Guiding Mechanism for Evaluation of Longitudinal Structural Fluctuations |
| title_sort | surface brillouin scattering in disordered optical fibers with transverse anderson localization guiding mechanism for evaluation of longitudinal structural fluctuations |
| topic | Disordered optical fiber (DOF) transverse Anderson localization (TAL) surface Brillouin scattering (surface-BS) longitudinal structural fluctuations evaluation |
| url | https://ieeexplore.ieee.org/document/8259289/ |
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