JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS, cilt.29, sa.03N04, 2020 (SCI-Expanded)
This paper studies couplers in optical metamaterials that come with power law of nonlinear refractive index. The Kudryashov's approach reveals bright, singular as well as bright-singular straddled optical soliton solutions. Both twin-core couplers and multiple-core couplers are studied.