Optimization of supercontinuum generation in highly nonlinear fiber for DFG based mid-infrared frequency comb

Tianyu Lin; Bocheng Tang; Haoyun Wei; Yan Li

doi:10.1117/12.2576218

5 November 2020 Optimization of supercontinuum generation in highly nonlinear fiber for DFG based mid-infrared frequency comb

Tianyu Lin, Bocheng Tang, Haoyun Wei, Yan Li

Author Affiliations +

Proceedings Volume 11566, AOPC 2020: Optical Spectroscopy and Imaging; and Biomedical Optics; 115660C (2020) https://doi.org/10.1117/12.2576218
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

A theoretical investigation into the nonlinear propagation and dispersive wave generation in the anomalous dispersion region of the highly nonlinear fiber (HNLF) is present here. Owe to the non-linearity of dispersive wave and four-wavemixing, by changing the parameter of input peak pulse, pulse width, initial chirp, and the parameter of HNLF, the optimum output in the short-wavelength region can be observed in the simulation results. It is found that the dispersive wave is mainly due to pulse trapping across the zero-dispersion wavelength (ZDW) by simulating the dispersive wave with different conditions. In the experiment, we can utilize the optimum parameter by the simulation to produce a high power pump source for difference frequency generation (DFG) method by 1550 nm near-infrared optical frequency comb. We have demonstrated a high pump power up to 12.5 mW coverage from 1025 to 1215 nm with a center wavelength of 1064 nm by choosing the HNLF with the dispersion of 4.933 ps/(nm • km) which is higher to the previous research. In our research, the simulation and experiment results are in good agreement in the article.

Citation Download Citation

Tianyu Lin, Bocheng Tang, Haoyun Wei, and Yan Li "Optimization of supercontinuum generation in highly nonlinear fiber for DFG based mid-infrared frequency comb", Proc. SPIE 11566, AOPC 2020: Optical Spectroscopy and Imaging; and Biomedical Optics, 115660C (5 November 2020); https://doi.org/10.1117/12.2576218

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