Ukrainian Journal of Physical Optics


2026 Volume 27, Issue 3


ISSN 1816-2002 (Online), ISSN 1609-1833 (Print)

IMPLICIT QUIESCENT SOLITON PERTURBATION IN OPTICAL METAMATERIALS WITH NONLINEAR CHROMATIC DISPERSION AND KUDRYASHOV'S QUINTUPLE FORM OF SELF-PHASE MODULATION BY LIE SYMMETRY

A. R. Adem, A. H. Arnous, L. S. Calucag and A. Biswas


ABSTRACT

The current paper addresses the formation of perturbed quiescent solitons in optical metamaterials with nonlinear chromatic dispersion for Kudryashov’s quintuple form of self-phase modulation by Lie symmetry. This work examines two models: the nonlinear Schrödinger equation and the complex Ginzburg–Landau equation, both with linear and generalized temporal evolution. The results are expressed in terms of quadratures, and the solition's existence criteria are also presented.

Keywords: quiescent solitons, metamaterials, chromatic dispersion

UDC: 535.32

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    У цій статті розглядається формування збурених спокійних солітонів в оптичних метаматеріалах з нелінійною хроматичною дисперсією для п'ятикратної форми фазової модуляції Кудряшова за допомогою симетрії Лі. Розглянуті дві моделі: нелінійне рівняння Шредінгера та комплексне рівняння Гінзбурга-Ландау, обидві з лінійною та узагальненою часовою еволюцією. Результати виражені в квадратурах, а також представлені критерії існування солітонів.

    Ключові слова: спокійні солітони, метаматеріали, хроматична дисперсія


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