Supercontinuum generation in graded index multimode fiber pumped by superluminescent pulse amplification

Linlu He; Haitao Zhang; Decai Deng; Dan Li; Shuai Wu; Mali Gong

doi:10.1117/12.2542657

18 December 2019 Supercontinuum generation in graded index multimode fiber pumped by superluminescent pulse amplification

Linlu He, Haitao Zhang, Decai Deng, Dan Li, Shuai Wu, Mali Gong

Author Affiliations +

Proceedings Volume 11337, AOPC 2019: Optical Spectroscopy and Imaging; 113370J (2019) https://doi.org/10.1117/12.2542657
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

Graded-index multimode fibers attracted interest in nonlinear regime for their unique nonlinear dynamics characteristics. We report the supercontinuum generation pumped by a superluminescent pulse amplification in graded-index multimode fiber. Efficient supercontinuum was generated and the beam profile cleanup was observed. The speckle characteristics of this supercontinuum is measured and compared to another supercontinuum induced by a homemade mode-locked fiber laser. It is found that the supercontinuum generated by superluminescent pulse amplification attains a smoother speckle structure and lower optical coherence. Our results indicate that the superluminescent pulse amplification could be a more effective means to produce low coherent supercontinuum sources than traditional lasers.

Citation Download Citation

Linlu He, Haitao Zhang, Decai Deng, Dan Li, Shuai Wu, and Mali Gong "Supercontinuum generation in graded index multimode fiber pumped by superluminescent pulse amplification", Proc. SPIE 11337, AOPC 2019: Optical Spectroscopy and Imaging, 113370J (18 December 2019); https://doi.org/10.1117/12.2542657

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