ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Passive polarization rotator based on silica photonic crystal fiber for 1.31-μm and 1.55-μm bands via adjusting the fiber length |
Chen Lei (陈雷), Zhang Wei-Gang (张伟刚), Wang Li (王丽), Bai Zhi-Yong (白志勇), Zhang Shan-Shan (张珊珊), Wang Biao (王标), Yan Tie-Yi (严铁毅), Jonathan Sieg |
Key Laboratory of Optical Information Science and Technology, Ministry of Education, Institute of Modern Optics, Nankai University, Tianjin 300071, China |
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Abstract A new polarization rotator based on the silica photonic crystal fiber is proposed. The proposed polarization rotator photonic crystal fiber (PR-PCF) possesses a triangle jigsaw-shape core region. The full-vector finite-element method is used to analyze the phenomenon of polarization conversion between the quasi-TE and quasi-TM modes. Numerical simulations show that the wavelengths of 1.31 μm and 1.55 μm are converted with a nearly 100% polarization conversion ratio with their matched coupling length and has a relatively strong realistic fabrication tolerance-100 nm on the y axis and 50 nm on the x axis. The full vectorial finite difference beam propagation method is used to confirm the performance of the proposed PR-PCF.
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Received: 24 December 2013
Revised: 07 March 2014
Accepted manuscript online:
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PACS:
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42.81.Gs
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(Birefringence, polarization)
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42.79.-e
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(Optical elements, devices, and systems)
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42.82.Bq
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(Design and performance testing of integrated-optical systems)
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42.81.-i
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(Fiber optics)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11274181, 10974100, 61203204, and 10674075), the Doctoral Scientific Fund Project of the Ministry of Education of China (Grant No. 20120031110033), and the Tianjin Key Program of Application Foundations and Future Technology Research Project, China (Grant No. 10JCZDJC24300). |
Corresponding Authors:
Zhang Wei-Gang
E-mail: zhangwg@nankai.edu.cn
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About author: 42.81.Gs; 42.79.-e; 42.82.Bq; 42.81.-i |
Cite this article:
Chen Lei (陈雷), Zhang Wei-Gang (张伟刚), Wang Li (王丽), Bai Zhi-Yong (白志勇), Zhang Shan-Shan (张珊珊), Wang Biao (王标), Yan Tie-Yi (严铁毅), Jonathan Sieg Passive polarization rotator based on silica photonic crystal fiber for 1.31-μm and 1.55-μm bands via adjusting the fiber length 2014 Chin. Phys. B 23 104220
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