Graded-index solitons in multimode fibers

Optics Letters
Amira S Ahsan, Govind P Agrawal

Abstract

We investigate stability of optical solitons in graded-index (GRIN) fibers by solving an effective nonlinear Schrödinger equation that includes spatial self-imaging effects through a length-dependent nonlinear parameter. We show that this equation can be reduced to the standard NLS equation for optical pulses whose dispersion length is much longer than the self-imaging period of the GRIN fiber. Numerical simulations are used to reveal that fundamental GRIN solitons as short as 100 fs can form and remain stable over distances exceeding 1 km. Higher-order solitons can also form, but they propagate stably over shorter distances. We also discuss the impact of third-order dispersion on a GRIN soliton.

References

Jul 1, 1981·Optics Letters·B Crosignani, P D Porto
Dec 15, 1990·Optics Letters·A Hasegawa, Y Kodama
Apr 18, 2013·Nature Communications·W H Renninger, F W Wise
Apr 4, 2015·Optics Express·Logan G WrightFrank W Wise
Jun 1, 2016·Optics Letters·G Lopez-GalmicheR Amezcua Correa
Dec 23, 2016·Optics Letters·Zimu ZhuFrank W Wise
Sep 29, 2017·Optics Letters·Matteo ConfortiAlexandre Kudlinski

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Citations

Feb 6, 2019·Physical Review Letters·A AntikainenG P Agrawal
Jul 19, 2020·Optics Express·Mario ZitelliStefan Wabnitz
Dec 28, 2019·Optics Express·Thawatchai MayteevarunyooDmitry V Skryabin
Jan 31, 2019·Optics Express·Zhixiang DengDianyuan Fan

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