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《Acta Photonica Sinica》 2017-07
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Research and Design of All-solid Dual-concentric-core Photonic Crystal Fiber for Dispersion Compensation

QU Yu-wei;ZHANG Chun-lan;GUO Chang-jiang;ZHANG Sen;HAN Ying;ZHAO Xing-tao;HOU Lan-tian;WANG Wei;School of Information Science and Engineering,Yanshan University;The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province;  
In order to compensate the transmission limits of the high-speed signal caused by dispersion of the fiber,an all-solid dual-concentric-core photonic crystal fiber for dispersion compensation was proposed.Firstly,the mode coupling characteristics of the fiber was theoretically analyzed,and then multipole method was used to calculate the relationship between the parameters of the fiber and the dispersion value as well as the shift of phase matching wavelength,and the regularity was studied.Finally a dispersion compensating fiber with dispersion value of-32 620ps/(nm·km)at 1 550 nm was achieved by optimizing the structural parameters of fiber,and numerical results also show that the loss is0.29dB/km and the splicing loss with SMF-28 fiber is 4.77 dB at 1 550 nm.The fiber can compensate1 910 times the length of the SMF-28single-mode fiber dispersion,its compensation ability is much larger than the conventional dispersion compensation fiber.The all-solid dispersion compensating photonic crystal fiber has the advantages of easy to fabricate and easy to splice with the traditional communication fiber compared with air-silica photonic crystal fiber.
【Fund】: 国家自然科学基金(Nos.61405173;61405172)资助~~
【CateGory Index】: TN253
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