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Refractive-index guiding single crystal optical fiber with air–solid cladding

Autor
Yang, Lvyun
BUCZYŃSKI, RYSZARD
Wang, Xin
Tao, Guangming
Ding, Jinmin
Liang, Sheng
Lou, Shuqin
Sheng, Xinzhi
Meng, Fanchao
Zhao, Xiaoting
Data publikacji
2021
Abstrakt (EN)

In this study, a refractive-index guiding single-crystal fiber (SCF) with air–solid cladding was proposed and numerical simulation investigation was carried out. In general, refractive-index guided cladding was constructed through air-holes in the solid material. It resulted in the effective reduction in the number of guided-modes, and the single-mode and few-mode transmission could be realized. The influences of different materials with different refractive indices, cladding structure, and fabrication errors on the confinement loss and effective guided-mode number with the variation in wavelength from 2.5 to 3.2 µm were numerically investigated by the finite element method. Thus, the optimal design of the SCF was successfully obtained. This study may open a new avenue for the design of SCFs and their applications in the fiber lasers and sensors.

Dyscyplina PBN
nauki fizyczne
Czasopismo
Optical Materials Express
Tom
11
Zeszyt
9
Strony od-do
2994
ISSN
2159-3930
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