期刊
LASER PHYSICS
卷 29, 期 9, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1555-6611/ab356f
关键词
generalized nonlinear Schrodinger (gNLS) equation; pseudo-quintic nonlinearity; self-steepening effect; optical metamaterials; exact chirped soliton solutions
资金
- Natural Science Foundation of Hubei Province of China [2016CFC768]
The ultrashort pulse propagation in optical metamaterials (OMMs) modeled by a generalized nonlinear Schrodinger equation with higher order effects is studied, in the present paper. To this end, by considering a complex envelope and a specific nonlinear chirp ansatz, a wide range of exact chirped soliton solutions are derived in the presence of the pseudo-quintic nonlinearity and the self-steepening effect. Exact solutions include kink and anti-kink chirped soliton solutions that are retrieved through the use of newly well-designed methods. The complex envelopes presented herein provide new specific nonlinear shock wave structures in OMMs which are vital for numerical and experimental verifications.
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