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首页> 外文期刊>Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic >Novel design of broadband dispersion compensating photonic crystal fiber with all solid structure and low index difference
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Novel design of broadband dispersion compensating photonic crystal fiber with all solid structure and low index difference

机译：宽带色散补偿光子晶体纤维的新颖设计，所有固体结构和低指数差

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摘要

By employing germanium up-doped and fluorine/boron down-doped cylindrical inclusions instead of air-holes in pure silica, a novel kind of broadband dual concentric core dispersion compensating photonic crystal fiber (DCC-DCPCF) with all solid structure and low index difference is proposed. By analyzing the kappa value's influences on the dispersion compensating behavior, it is found that the DCC-DCPCF whose kappa curve intersects twice with that of compensated fiber in the targeted band is most preferable for ultra-broadband dispersion compensation. The bandwidth of the DCC-DCPCF can be readily managed by tuning the position and the interval of the two kappa matched wavelength. Following the design procedure of broadband DCC-DCPCF given in this paper, an all solid DCC-DCPCF aims at compensating the accumulated dispersion of Corning SMF28 fiber in entire S + C band are designed. Negative dispersion ranging from -183 to -281 ps/(nm km) in S + C bands is achieved with the refractive index differences between matrical material and cylindrical inclusions no more than 0.03. Numerical results show that the DCC-DCPCF can compensate 15.43 times its length of Corning SMF28 fiber with small residual dispersion in the range of +/- 0.15 ps/(nm km). The calculated effective mode area is 16.01 mu m(2) at 1550 nm, corresponding to a coupling loss of 1.35 dB to the Corning SMF28 fiber, the confinement loss and bending loss with 1 cm bending radius less than 0.058 dB/km and 0.315 dB/km at 1550 nm, respectively. (C) 2017 Elsevier GmbH. All rights reserved.
机译：通过使用锗掺杂和氟/硼的氟/硼/硼的圆柱形夹杂物，而不是纯二氧化硅中的气孔，一种新颖的宽带双同心芯分散，补偿光子晶体纤维（DCC-DCPCF），所有固体结构和低指数差提出。通过分析Kappa值对色散补偿行为的影响，发现其Kappa曲线与目标带中的补偿光纤两次相交的DCC-DCPCF对于超宽带色散补偿，最优选。通过调整两个Kappa匹配波长的位置和间隔，可以容易地管理DCC-DCPCF的带宽。在本文中给出的宽带DCC-DCPCF的设计步骤之后，设计了所有固体DCC-DCPCF的设计，旨在补偿康宁SMF28光纤在整个S + C波段中的累积分散。使用折射率与圆柱形夹杂物之间的折射率差异而不是大于0.03的折射率差异，从-183到-281 ps /（nm km）之间的负分散差异。数值结果表明，DCC-DCPCF可以在+/- 0.15 ps /（nm km）范围内具有小的残余分散体的康宁SMF28纤维长度的15.43倍。计算的有效模式区域为16.01μm（2），1550nm，对应于康宁SMF28纤维的1.35 dB的耦合损耗，限制损失和弯曲损耗，1cm弯曲半径小于0.058 dB / km和0.315 dB / km分别为1550 nm。 （c）2017年Elsevier GmbH。版权所有。

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