400 citations
- A. Alikhanyan National LaboratoryAM143 papers
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- University of Science and Technology of ChinaCN71 papers
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13 papers · 1 filter
Radiation processes in dielectric cylindrical waveguides
A. A. Saharian, L. Sh. Grigoryan, H. F. Khachatryan
Dielectric cylindrical waveguides are widely used for confining and guiding of electromagnetic waves in relatively wide range of frequencies. They have found numerous technological…
Dielectric permittivity tensor dynamics of in-plane hyperbolic van der Waals MoOCl2 and emergent chiral photonic applications
Artsruni Margaryan, Maksim Sargsyan, Meri Hayrapetyan +3
Van der Waals (vdW) crystals offer unique opportunities for modern nanophotonic applications owing to their intrinsic anisotropic nature. While most of them exhibit uniaxial anisot…
Record Index-Bandgap Trade-off: CdPS3 as a High-Index van der Waals Platform for Ultraviolet-Visible Nanophotonics
M. R. Povolotskiy, A. S. Slavich, G. A. Ermolaev +21
The development of nanophotonics is hindered by a fundamental trade-off between a material's refractive index (n) and its electronic bandgap (Eg), which severely restricts the choi…
Radiation of surface polaritons by an annular beam coaxially enclosing a cylindrical waveguide
A. A. Saharian, G. V. Chalyan, L. Sh. Grigoryan +2
We investigate the radiation of surface polaritons by an annular beam that coaxially encloses a cylindrical waveguide surrounded by a homogeneous medium. By using the Green dyadic,…
Laser polarization as a critical factor on the SERS-based molecular sensing performance of nano-gapped Au nanowires
Simón Roa, Terunori Kaihara, María Laura Pedano +2
Nowadays, Au dimer-based nanostructures are exhaustively studied due to their outstanding potential as plasmonic nanoantennas for future applications in high-sensitivity molecular…
Graphene valley polarization as a function of carrier-envelope phase in few-cycle laser pulses and its footprints in harmonic signals
H. K. Avetissian, V. A. Sedrakyan, Kh. V. Sedrakian +1
We consider coherent dynamics of graphene charged carriers exposed to an intense few-cycle linearly polarized laser pulse. The results, obtained by solving the generalized semicond…