A hybrid suspended core fiber with improved nonlinearity and dispersion characteristics

Diyang Wu; Qi Zou; Guanjun Wang; Mengxing Huang

doi:10.1117/12.2586479

2 December 2020 A hybrid suspended core fiber with improved nonlinearity and dispersion characteristics

Diyang Wu, Qi Zou, Guanjun Wang, Mengxing Huang

Proceedings Volume 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics; 1171719 (2020) https://doi.org/10.1117/12.2586479
Event: 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 2020, Shanghai, China

Abstract

The nonlinearity and dispersion characteristics of a suspended core fiber with different fluid filling methods and slot-structure-embedded core configuration is simulated and analyzed here. Firstly, four suspended core bismuth fibers were filled with high nonlinear fluid CS₂ fluid by selective filling method. With the selective filling method, due to the mode redistribution effect, the nonlinearity of optical fiber is significantly enhanced, and the dispersion characteristics of optical fiber can be customized more smoothly. Furthermore, an elliptical, nonlinear fluid-filled nanoscale slot structure is embedded into the suspended Bismuth fiber core for mode distribution adjustment and nonlinearity enhancement, while the cladding air holes are partially filled with nonlinear fluid CS₂ for mode field compression and nonlinearity enhancement. Finally, the fiber parameters and the slot size are tailored properly for adjusting the fiber dispersion characteristic. Simulation results show that an ultrahigh nonlinear coefficient that reaching up to 12023W^-1km^-1 and a flattened dispersion with fluctuation less than 22ps/Km/nm at C-band are possible after the optimization.

Citation Download Citation

Diyang Wu, Qi Zou, Guanjun Wang, and Mengxing Huang "A hybrid suspended core fiber with improved nonlinearity and dispersion characteristics", Proc. SPIE 11717, 24th National Laser Conference & Fifteenth National Conference on Laser Technology and Optoelectronics, 1171719 (2 December 2020); https://doi.org/10.1117/12.2586479

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