Fuyu Gao, Xiaobin Xu, Ningfang Song, Wei Li, Yunhao Zhu, Jiaqi Liu, Tiantian Liang. Low-Loss Isolated Anti-Resonant Core Photonic Bandgap Fiber[J]. Chinese Journal of Lasers, 2022, 49(19): 1906002
- Chinese Journal of Lasers
- Vol. 49, Issue 19, 1906002 (2022)
Fig. 1. Isolated anti-resonant core photonic band-gap fiber structure. (a) Hollow core microporous structure of IAC-PBF；(b) core structure of IAC-PBF
Fig. 2. Loss and mode field simulation results of IAC-PBF. (a) Losses under different core wall thicknesses; (b) mode field diameter
Fig. 3. Modes of IAC-PBF. (a) Fundamental mode; (b) surface mode in cladding wall; (c)(d)(e) surface modes in fiber core wall; (f) high-order mode in fiber core
Fig. 4. Mode coupling of IAC-PBF under different fiber core thicknesses
Fig. 5. Bending loss of IAC-PBF
Fig. 6. Structural diagrams of IAC-PBF cane and band-gap fiber. (a) Fiber cane; (b) band-gap fiber
Fig. 7. Comparison between actual fiber (small core image) and theoretical fiber (large core image)
Fig. 8. Measured loss spectrum and simulated mode field of IAC-PBF
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Table 1. Loss of each mode in IAC-PBF
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