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3-D metamaterials: Trends on applied designs, computational methods and fabrication techniques
Metamaterials are artificially engineered devices that go beyond the properties of
conventional materials in nature. Metamaterials allow for the creation of negative refractive …
conventional materials in nature. Metamaterials allow for the creation of negative refractive …
All-angle reflectionless negative refraction with ideal photonic Weyl metamaterials
Negative refraction, an unnatural optical phenomenon in which the incident and the
refracted waves reside on the same side of the surface normal, has been demonstrated with …
refracted waves reside on the same side of the surface normal, has been demonstrated with …
Nontrivial point-gap topology and non-Hermitian skin effect in photonic crystals
We show that two-dimensional non-Hermitian photonic crystals made of lossy material can
exhibit nontrivial point-gap topology in terms of topological winding in its complex frequency …
exhibit nontrivial point-gap topology in terms of topological winding in its complex frequency …
Efficient mode transfer on a compact silicon chip by encircling moving exceptional points
Exceptional points (EPs) are branch point singularities of self-intersecting Riemann sheets,
and they can be observed in a non-Hermitian system with complex eigenvalues. It has been …
and they can be observed in a non-Hermitian system with complex eigenvalues. It has been …
[HTML][HTML] Three-dimensional acoustic metamaterial Luneburg lenses for broadband and wide-angle underwater ultrasound imaging
This paper introduces spherical and ellipsoidal metamaterial lenses designed based on the
Luneburg lens and transformation optics for underwater ultrasound imaging, which …
Luneburg lens and transformation optics for underwater ultrasound imaging, which …
Characteristics of multi-absorption bands in near IR based on a 1D photonic crystal comprising two composite metamaterials
The Matlab program has been utilized in this study to examine the absorption spectral
properties of a one-dimensional photonic crystal (1DPCs) comprising two composite …
properties of a one-dimensional photonic crystal (1DPCs) comprising two composite …
Manipulating the flow of light using Dirac-cone zero-index metamaterials
Metamaterials with a refractive index of zero exhibit properties that are important for
integrated optics. Possessing an infinite effective wavelength and zero spatial phase …
integrated optics. Possessing an infinite effective wavelength and zero spatial phase …
Multimode non-Hermitian framework for third harmonic generation in nonlinear photonic systems comprising two-dimensional materials
Resonant structures in modern nanophotonics are non-Hermitian (leaky and lossy), and
support quasinormal modes. Moreover, contemporary cavities frequently include two …
support quasinormal modes. Moreover, contemporary cavities frequently include two …
Low-dam** epsilon-near-zero slabs: Nonlinear and nonlocal optical properties
We investigate second-harmonic generation, low-threshold multistability, all-optical
switching, and inherently nonlocal effects due to the free-electron gas pressure in an epsilon …
switching, and inherently nonlocal effects due to the free-electron gas pressure in an epsilon …