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Proceedings Paper

Supercontinuum generation in graded index multimode fiber pumped by superluminescent pulse amplification
Author(s): Linlu He; Haitao Zhang; Decai Deng; Dan Li; Shuai Wu; Mali Gong
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Paper 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.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11337, AOPC 2019: Optical Spectroscopy and Imaging, 113370J (18 December 2019); doi: 10.1117/12.2542657
Show Author Affiliations
Linlu He, Tsinghua Univ. (China)
Haitao Zhang, Tsinghua Univ. (China)
Decai Deng, Tsinghua Univ. (China)
Dan Li, Tsinghua Univ. (China)
Shuai Wu, Mailbox 5111 (China)
Mali Gong, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 11337:
AOPC 2019: Optical Spectroscopy and Imaging
Jin Yu; Zhe Wang; Vincenzo Palleschi; Mengxia Xie; Yuegang Fu, Editor(s)

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