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首页> 外文期刊>Optical and quantum electronics >Large negative dispersion in photonic crystal fiber by applying gold nanoparticles in square cladding
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Large negative dispersion in photonic crystal fiber by applying gold nanoparticles in square cladding

机译：通过在方形包层中施加金纳米粒子的光子晶纤维中的大负分散

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摘要

In this paper, a new structure of photonic crystal fibers (PCFs) with large negative dispersion is presented in order to compensate the positive dispersion at a wavelength of 1.55 μm. The proposed PCF has square lattice structure. In the basic structure of the cladding, it consists of four square rings, so that each ring has a number of circular holes. In the final proposed structure, the two inner rings of the cladding are reshaped relative to the two outer rings. The first inner ring near the core has stellar shaped holes with gold nanoparticles in its center, and the second inner ring has circular holes with a smaller diameter than the two outer rings. The base material of this fiber is silica. The use of stellar shaped holes with gold nanoparticles cores causes a large amount of negative dispersion, which compensates the positive dispersion. Simulation results show that the minimum dispersion is - 4593 ps/(nm.km) at a wavelength of 1.55 μm which bring a significant improvement compared to other similar references.
机译：在本文中，提出了具有大负分散体的光子晶体纤维（PCF）的新结构，以补偿波长为1.55μm的正分散体。所提出的PCF具有方形格子结构。在包层的基本结构中，它由四个方形的环组成，使得每个环具有许多圆孔。在最终提出的结构中，包层的两个内环相对于两个外圈重新装入。核心附近的第一内圈具有其中心的金纳米颗粒的恒星形孔，第二内环具有比两个外圈的直径较小的圆孔。该纤维的基础材料是二氧化硅。用金纳米粒子芯的恒星形孔的使用导致大量的负分散，这补偿了正分散体。仿真结果表明，与其他类似的参考文献相比，最小分散的波长为1.55μm的波长为1.55μm。

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