ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Wavelength-selective characteristics of high birefringence photonic crystal fiber with Au nanowires selectively filled in the cladding air holes |
Du Ying (杜颖), Li Shu-Guang (李曙光), Liu Shuo (刘硕) |
Key Laboratory of Metastable Materials Science and Technology, College of Science, Yanshan University, Qinhuangdao 066004, China |
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Abstract Filter characteristics of a designed gold-filled high birefringence photonic crystal fiber are investigated based on the finite element method. The wavelength filter resonances in the high birefringence photonic crystal fiber occur at different points for different polarized directions, and the resonance strength in the x-polarized case is much weaker than that in the y-polarized case. The much more obvious splitting filter characteristics and different resonance strength imply the study and application values in splitting and single polarization fiber devices. The simulation results show that increasing the number of the gold wires only enhances the resonance strength when there is no surface plasmon supermode formed. With the diameters of the gold wires increasing, the response wavelength moves to a longer wavelength, and the strength becomes stronger. When the diameter is increased to 1.4 μm, the response wavelength in the x-polarized case can be tuned to 1.318 μm, which is the communication wavelength. The strongest resonance occurs at 1.2375 μm in the y-polarized case, and the peaking loss can reach 435.83 dB/cm.
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Received: 13 January 2012
Revised: 26 February 2012
Accepted manuscript online:
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PACS:
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42.81.-i
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(Fiber optics)
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42.81.Gs
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(Birefringence, polarization)
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71.45.Gm
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(Exchange, correlation, dielectric and magnetic response functions, plasmons)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61178026 and 60978028), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20091333110010), and the Natural Science Foundation of Hebei Province, China (Grant No. E2012203035). |
Corresponding Authors:
Li Shu-Guang
E-mail: shuguangli@ysu.edu.cn
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Cite this article:
Du Ying (杜颖), Li Shu-Guang (李曙光), Liu Shuo (刘硕) Wavelength-selective characteristics of high birefringence photonic crystal fiber with Au nanowires selectively filled in the cladding air holes 2012 Chin. Phys. B 21 094219
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