| 基于非对称双芯光子晶体光纤的宽带定向耦合器研究 |
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| 引用本文： | 陈明阳,张永康,祝远锋,佟艳群,周骏.基于非对称双芯光子晶体光纤的宽带定向耦合器研究[J].中国激光,2009,36(3). |
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| 作者姓名： | 陈明阳 张永康 祝远锋 佟艳群 周骏 |
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| 作者单位： | |
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| 基金项目： | the Senior Talent Foundation of Jiangsu University，江苏省教育厅自然科学基金，Qianjiang Talent Project of Zhejiang Province，the Science Foundation of Ningbo，国家自然科学基金 |
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| 摘 要： |
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Broadband directional coupler based on asymmetric dual-core photonic crystal fiber |
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| Mingyang Chen,Yongkang Zhang,Yuanfeng Zhu,Yanqun Tong,Jun Zhou.Broadband directional coupler based on asymmetric dual-core photonic crystal fiber[J].Chinese Journal of Lasers,2009,36(3). |
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| Authors: | Mingyang Chen Yongkang Zhang Yuanfeng Zhu Yanqun Tong Jun Zhou |
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| Abstract: | A novel broadband directional coupler based on an asymmetric dual-core photonic crystal fibet(PCF)is proposed.The asymmetry in the fiher is introduced by the enlargement of one air-hole in dual-core PCF.Numerical investigation demonstrate that broadband directional coupling with spectral width as large as 370 nm and polarization-dependent loss and uniformity lower than 0.2 and 0.5 dB,respectively,can be achieved.In addition,the proposed fiber shows large tolerance to the variation of the fiber parameters.In particular,the fiber length allows at least 10%derivation from the proposed fiber length of 7.7 mm. |
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| Keywords: | directional couplers photonic crystal fiber asymmetric-core optical fiber polarization-dependent loss uniformity |
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