Search Results - "Yezekyan, Torgom"
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1
Engineering quasi-bound states in the continuum in asymmetric waveguide gratings
Published in New journal of physics (01-09-2024)“…The occurrence of quasi-bound states in the continuum (qBIC) in all-dielectric asymmetric grating waveguide couplers with different degrees of asymmetry under…”
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2
Dark-probe scanning near-field microscopy
Published in New journal of physics (01-10-2023)“…Scanning near-field optical microscopy (SNOM) is a well-known powerful optical technique for visualization of surface nanostructures and fields far beyond the…”
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3
Inducing room-temperature valley polarization of excitonic emission in transition metal dichalcogenide monolayers
Published in NPJ 2D materials and applications (20-03-2024)“…The lowest energy states in transition metal dichalcogenide (TMD) monolayers follow valley selection rules, which have attracted vast interest due to the…”
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4
Plasmonic electro-optic modulators on lead zirconate titanate platform
Published in Nanophotonics (Berlin, Germany) (20-08-2024)“…The advancement in material platforms exhibiting strong and robust electro-optic effects is crucial for further progress in developing highly efficient and…”
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5
Germanium metasurface assisted broadband detectors
Published in Nanophotonics (Berlin, Germany) (14-06-2023)“…The demand on broadband near-infrared photodetections with high responsivity is becoming increasingly eminent; however its realization remains a significant…”
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6
Anapole States in Gap-Surface Plasmon Resonators
Published in Nano letters (10-08-2022)“…Anapole states associated with the destructive interference between dipole and toroidal moments result in suppressed scattering accompanied by strongly…”
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7
Microwave response phase control of a graphite microstrip
Published in Carbon (New York) (30-06-2022)“…Interaction between a carbon based low-conductivity graphite microstrip, which is an element of a metamaterial, and incident electromagnetic (EM) waves was…”
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8
Vis-SWIR hyperspectral microscopy imaging of plasmonic color printed arrays
Published in Optics communications (01-01-2025)“…This paper explores the applications of visible shortwave infrared (Vis-SWIR) hyperspectral microscopy in the context of plasmonic color printing arrays. The…”
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9
On-Chip Ge Photodetector Efficiency Enhancement by Local Laser-Induced Crystallization
Published in Nano letters (22-09-2021)“…Metal–semiconductor–metal plasmonic nanostructures enable both on-chip efficient manipulation and ultrafast photodetection of strongly confined modes by…”
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10
Phase-shifted response of plasmonic nanostructures: Implications to luminescence upconversion
Published in Journal of luminescence (01-12-2017)“…We analyze the dynamics of a quantum dipole emitter (QDE) illuminated by a resonant electromagnetic field and placed close to a metal nanostructure, whose…”
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11
Design and Experimental Demonstration of Wavelength‐Selective Metamirrors on Sapphire Substrates
Published in Advanced photonics research (11-11-2024)“…The increasing demand for novel mirror coating designs for new generation of gravitational wave detectors is stimulating significant research interest in…”
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12
An atlas of photonic and plasmonic materials for cathodoluminescence microscopy
Published 13-11-2024“…Cathodoluminescence (CL) microscopy has emerged as a powerful tool for investigating the optical properties of materials at the nanoscale, offering unique…”
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13
Near-field refractometry of van der Waals crystals
Published 12-11-2024“…Common techniques for measuring refractive indices, such as ellipsometry and goniometry, are ineffective for van der Waals crystal flakes because of their high…”
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14
Inducing room-temperature valley polarization of excitonic emission in transition metal dichalcogenide monolayers
Published 21-08-2023“…npj 2D Materials and Applications 8, 24 (2024) The lowest energy states in transition metal dichalcogenide (TMD) monolayers follow valley selection rules,…”
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15
Semicylindrical microresonator: excitation, modal structure, and Q factor
Published 29-05-2020“…Applied Optics Vol. 57, Issue 22, pp. 6309-6313 (2018) The semicylindrical microresonator with relatively simple excitation with a plane wave is studied. The…”
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16
Dynamics of a quantum emitter resonantly coupled to both external field and localized surface plasmon
Published 04-01-2018“…We investigate excitation dynamics in the system of a quantum dipole emitter (QDE) coupled to a located nearby metal nanoparticle (MNP), which exhibits a…”
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17
Anisotropic Second Harmonic Generation From Monocrystalline Gold Flakes
Published 21-10-2020“…Optics Letters 46, 833-836 (2021) Noble metals with well-defined crystallographic orientation constitute an appealing class of materials for controlling…”
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