Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal Fiber
We propose a dual-core photonic crystal fiber (PCF) for a broad bandwidth polarization-insensitive coupler. To achieve ultrabroadband and polarization-insensitive characteristics, two elliptical fluorine-doped cores are introduced. By optimizing structure parameters and fiber length, a polarization-...
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| Format: | Article |
| Language: | English |
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IEEE
2017-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/7822997/ |
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| author | Tongtong Zhao Shuqin Lou Xin Wang Min Zhou Zhenggang Lian |
| author_facet | Tongtong Zhao Shuqin Lou Xin Wang Min Zhou Zhenggang Lian |
| author_sort | Tongtong Zhao |
| collection | DOAJ |
| description | We propose a dual-core photonic crystal fiber (PCF) for a broad bandwidth polarization-insensitive coupler. To achieve ultrabroadband and polarization-insensitive characteristics, two elliptical fluorine-doped cores are introduced. By optimizing structure parameters and fiber length, a polarization-insensitive 50:50 coupler is achieved. Its coupling ratio stabilizes at 50 ± 1% the in whole optical communication band from 1.255 to 1.725 μm, and the coupling ratio difference between two polarizations is lower than 0.2%. This coupler also has high compatibility with standard single-mode fibers (SMFs) due to low splice loss. Fabrication feasibility is improved due to the use of uniform circular air holes. Tolerance analysis results indicate that the designed coupler has great potential for practical fabrication. High fabrication feasibility and good performance give it great potential to be used in optical communication systems. |
| format | Article |
| id | doaj-art-929995cc1c6545e69d23a250c013c7ff |
| institution | Kabale University |
| issn | 1943-0655 |
| language | English |
| publishDate | 2017-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-929995cc1c6545e69d23a250c013c7ff2025-08-20T03:32:36ZengIEEEIEEE Photonics Journal1943-06552017-01-019111010.1109/JPHOT.2016.26448647822997Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal FiberTongtong Zhao0Shuqin Lou1Xin Wang2Min Zhou3Zhenggang Lian4School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, ChinaSchool of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, ChinaYangtze Optical Electronic Co., Wuhan, ChinaWe propose a dual-core photonic crystal fiber (PCF) for a broad bandwidth polarization-insensitive coupler. To achieve ultrabroadband and polarization-insensitive characteristics, two elliptical fluorine-doped cores are introduced. By optimizing structure parameters and fiber length, a polarization-insensitive 50:50 coupler is achieved. Its coupling ratio stabilizes at 50 ± 1% the in whole optical communication band from 1.255 to 1.725 μm, and the coupling ratio difference between two polarizations is lower than 0.2%. This coupler also has high compatibility with standard single-mode fibers (SMFs) due to low splice loss. Fabrication feasibility is improved due to the use of uniform circular air holes. Tolerance analysis results indicate that the designed coupler has great potential for practical fabrication. High fabrication feasibility and good performance give it great potential to be used in optical communication systems.https://ieeexplore.ieee.org/document/7822997/Photonic crystal fiber (PCF) couplerpolarization-insensitivebroad bandwidthhigh compatibility. |
| spellingShingle | Tongtong Zhao Shuqin Lou Xin Wang Min Zhou Zhenggang Lian Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal Fiber IEEE Photonics Journal Photonic crystal fiber (PCF) coupler polarization-insensitive broad bandwidth high compatibility. |
| title | Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal Fiber |
| title_full | Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal Fiber |
| title_fullStr | Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal Fiber |
| title_full_unstemmed | Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal Fiber |
| title_short | Ultrabroadband Polarization-Insensitive Coupler Based on Dual-Core Photonic Crystal Fiber |
| title_sort | ultrabroadband polarization insensitive coupler based on dual core photonic crystal fiber |
| topic | Photonic crystal fiber (PCF) coupler polarization-insensitive broad bandwidth high compatibility. |
| url | https://ieeexplore.ieee.org/document/7822997/ |
| work_keys_str_mv | AT tongtongzhao ultrabroadbandpolarizationinsensitivecouplerbasedondualcorephotoniccrystalfiber AT shuqinlou ultrabroadbandpolarizationinsensitivecouplerbasedondualcorephotoniccrystalfiber AT xinwang ultrabroadbandpolarizationinsensitivecouplerbasedondualcorephotoniccrystalfiber AT minzhou ultrabroadbandpolarizationinsensitivecouplerbasedondualcorephotoniccrystalfiber AT zhengganglian ultrabroadbandpolarizationinsensitivecouplerbasedondualcorephotoniccrystalfiber |