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期刊论文

Directional couplers operated by resonantcoupling in all-solid photonic bandgap fibers

刘艳格Zhi Wang* Yange Liu Guiyun Kai Jianguo Liu Yan LiTingting Sun Long Jin YangYue Weigang Zhang Shuzhong Yuan and Xiaoyi Dong

9 July 2007/Vol.15, No.14/OPTICS EXPRESS 8925-8930,-0001,():

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摘要/描述

We have proposed directional couplers operated by resonantcoupling in all-solid photonic bandgap fibers structure which consist of acladding with an array of high-index rods in silica background, two coresformed by omitting two rods, and some defect rods introduced by reducingthe diameter of the high-index rods between the cores. The resonant effectinduced by the avoided crossing between core-guided supermodes anddefect-guided modes significant decreases the coupling length. Thedirectional couplers proposed in this paper are almost polarizationindependent and have potential application in realizing integrating all-fibercommunication devices

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