15 citations · 51 across the 6 of their papers we have counts for
7 papers
Relaxation characteristics and spectral compression in the system of coupled radiating oscillators
Henrik Parsamyan, Hasmik Shahinyan, Khachatur Nerkararyan
The electromagnetic response of two identical coupled oscillators to an ultrashort pulse is investigated. Due to interference between the radiation emitted by the constituent oscil…
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…
Broadband tunable mid-infrared absorber based on conductive strip-like meta-atom elements
Henrik Parsamyan, Hovhannes Haroyan, Khachatur Nerkararyan
A metamaterial composed of thin metallic strips as an efficient broadband absorber in the mid-infrared spectrum is investigated. Here the matching between dielectric and geometrica…
Analysis of bistability at the coupling between waveguide and whispering gallery modes of a nonlinear hemicylinder
Henrik Parsamyan, Khachik Sahakyan, Khachatur Nerkararyan
The optical bistability caused by the coupling between modes of the parallel-plate waveguide and a nonlinear hemicylindrical crystal is studied using theoretical and numerical anal…
Near-Perfect Broadband Infrared Metamaterial Absorber Utilizing Nickel
Henrik Parsamyan
We propose a thin, compact, broadband, polarization and angle insensitive metamaterial absorber based on a tungsten reflector, silicon spacer and a top pattern composed of a double…
Light control in a hemicylindrical whispering gallery microcavity-parallel plate waveguide system
Henrik Parsamyan, Hovhannes Haroyan, Khachatur Nerkararyan
We have shown that a structure composed of a semiconductor hemicylinder and a dielectric waveguide separated by a thin metal layer permits efficient and easy light control. In such…
Efficient broadband infrared absorbers based on core-shell nanostructures
Henrik A. Parsamyan, Khachatur V. Nerkararyan, Sergey I. Bozhevolnyi
We suggest to exploit dielectric-metal core-shell nanostructures for efficient resonant and yet broadband absorption of infrared radiation with deeply subwavelength configurations.…