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Dual-carrier Floquet circulator with time-modulated optical resonators
Ian A. D. Williamson, S. Hossein Mousavi, Zheng Wang
Spatio-temporal modulation has shown great promise as a strong time-reversal symmetry breaking mechanism that enables integrated nonreciprocal devices and topological materials at…
Three-Dimensional All-Dielectric Photonic Topological Insulator
Alexey Slobozhanyuk, S. Hossein Mousavi, Xiang Ni +3
The discovery of two-dimensional topological photonic systems has transformed our views on electromagnetic propagation and scattering of classical waves, and a quest for similar st…
Extraordinary wavelength reduction in terahertz graphene-cladded photonic crystal slabs
Ian A. D. Williamson, S. Hossein Mousavi, Zheng Wang
Photonic crystal slabs have been widely used in nanophotonics for light confinement, dispersion engineering, nonlinearity enhancement, and other unusual effects arising from their…
Trapping and guiding surface plasmons in curved graphene landscapes
Daria Smirnova, S. Hossein Mousavi, Zheng Wang +2
We demonstrate that graphene placed on top of structured substrates offers a novel approach for trapping and guiding surface plasmons. A monolayer graphene with a spatially varying…
Kinetic inductance driven nanoscale 2D and 3D THz transmission lines
S. Hossein Mousavi, Ian A. D. Williamson, Zheng Wang
We examine the unusual dispersion and attenuation of transverse electromagnetic waves in the few-THz regime on nanoscale graphene and copper transmission lines. Conventionally, suc…
Strong THz and Infrared Optical Forces on a Suspended Single-Layer Graphene Sheet
S. Hossein Mousavi, Peter T. Rakich, Zheng Wang
Single-layer graphene exhibits exceptional mechanical properties attractive for optomechanics: it combines low mass density, large tensile modulus, and low bending stiffness. Howev…
Strong Modulation of Infrared Light using Graphene Integration with Plasmonic Fano-Resonant Metasurfaces
Nima Dabidian, Iskandar Kholmanov, Alexander B. Khanikaev +6
Plasmonic metasurfaces represent a promising platform for enhancing light-matter interaction. Active control of the optical response of metasurfaces is desirable for applications s…
Topologically protected photonic transport in bi-anisotropic meta-waveguides
Tzuhsuan Ma, Alexander B. Khanikaev, S. Hossein Mousavi +1
We propose a design of two-dimensional bi-anisotropic meta-waveguide exhibiting topologically nontrivial photonic phase and robust photonic transport. The structure proposed repres…
Gyromagnetically Induced Transparency of Meta-Surfaces
S. Hossein Mousavi, Alexander B. Khanikaev, Jeffery Allen +2
We demonstrate that the violation of the time-reversal (TR) symmetry in the presence of a gyromagnetic substrate can produce an analog of electromagnetically induced transparency i…
Optical properties of Fano-resonant metallic metasurfaces on a substrate
S. Hossein Mousavi, Alexander B. Khanikaev, Gennady Shvets
Three different periodic optical metasurfaces exhibiting Fano resonances are studied in mid-IR frequency range in the presence of a substrate. We develop a rigorous semi-analytical…
Highly Confined Hybrid Spoof Surface Plasmons in Ultra-thin Metal/Dielectric Heterostructures
S. Hossein Mousavi, Alexander B. Khanikaev, Burton Neuner +4
Highly confined "spoof" surface plasmon-like (SSP) modes are theoretically predicted to exist in a perforated metal film coated with a thin dielectric layer. Strong modes confineme…