通信波长上基于金线填充双芯光子晶体光纤的偏振分束器

IF 2.3 4区物理与天体物理 Q2 OPTICS

Fiber and Integrated Optics Pub Date : 2021-01-02 DOI:10.1080/01468030.2021.1882621

Yongxia Zhang, Yuwei Qu, J. Yuan, Haiyun Wang, Xian Zhou, Jiahao Huo, B. Yan, Qiang Wu, Kuiru Wang, Keping Long, Chongxiu Yu

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引用次数: 4

摘要

本文提出了一种基于金丝填充双芯光子晶体光纤的偏振分束器(PBS)。采用全矢量有限元法研究了光纤结构参数对传输特性和耦合长度的影响。通过适当调整光纤结构参数，在1.55 μm和1.31 μm波长处实现了2:1的耦合长度比，使入射光能够很好地分离为两束偏振态正交的光束。当光纤长度为805.3 μm时，在波长1.55 μm处，60 nm带宽内的最大消光比为−132.12 dB。当光纤长度为1264.9 μm时，在1.31 μm波长处，70nm带宽内的最大ER为−197 dB。通过优化光纤结构参数，可获得长度为249.12 μm、最大ER为- 112.2 dB、带宽为120 nm的光纤。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Polarization Beam Splitter Based on the Gold Wire-Filled Dual-Core Photonic Crystal Fiber at the Communication Wavelengths

ABSTRACT In this paper, a polarization beam splitter (PBS) based on the gold wire-filled dual-core photonic crystal fiber is proposed. The full-vector finite element method is used to investigate the influences of the fiber structure parameters on the transmission characteristics and coupling length. By appropriately adjusting the fiber structure parameters, the coupling length ratio of 2:1 can be achieved at wavelengths 1.55 and 1.31 μm, so the incident light can be well separated into the two beams with orthogonal polarization states. When the fiber length is 805.3 μm, the maximum extinction ratio (ER) within bandwidth of 60 nm is −132.12 dB at wavelength 1.55 μm. When the fiber length is 1264.9 μm, the maximum ER within bandwidth of 70 nm is −197 dB at wavelength 1.31 μm. By optimizing the fiber structure parameters, a PBS with a length of 249.12 μm, the maximum ER of −112.2 dB, and bandwidth of 120 nm can be obtained.

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来源期刊

Fiber and Integrated Optics 物理-光学

CiteScore

3.40

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Fiber and Integrated Optics , now incorporating the International Journal of Optoelectronics, is an international bimonthly journal that disseminates significant developments and in-depth surveys in the fields of fiber and integrated optics. The journal is unique in bridging the major disciplines relevant to optical fibers and electro-optical devices. This results in a balanced presentation of basic research, systems applications, and economics. For more than a decade, Fiber and Integrated Optics has been a valuable forum for scientists, engineers, manufacturers, and the business community to exchange and discuss techno-economic advances in the field.