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Numerical study of a wide-angle near-perfect absorber for the visible regime incorporating metal-dielectric-metal subwavelength grating structure
A near-perfect absorber for the visible regime based on metal-dielectric-metal subwavelength grating structure with the refractory metals is designed...
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Single-step-etched ultra-compact metamaterial grating coupler enabled by a hierarchical inverse design approach
With the concept of metamaterials introduced into integrated photonics, subwavelength structures have gained popularity for their ability to create...
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Anisotropic leaky-like perturbation with subwavelength gratings enables zero crosstalk
Electromagnetic coupling via an evanescent field or radiative wave is a primary characteristic of light, allowing optical signal/power transfer in a...
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Plasmon-enhanced deep-subwavelength lateral nanowire solar cells
High performance deep-subwavelength lateral GaAs nanowire solar cells decorated with Au nanoblocks are proposed and studied through coupled...
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Subwavelength imaging using a solid-immersion diffractive optical processor
Phase imaging is widely used in biomedical imaging, sensing, and material characterization, among other fields. However, direct imaging of phase...
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Numerical Simulation of GaAs/AlOx High Index Contrast Subwavelength Gratings for GaAs-Based Vertical Cavity Surface Emitting Lasers
A GaAs/AlO x high index contrast subwavelength grating with TE polarization is presented for the GaAs-based vertical cavity surface emitting laser...
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Subwavelength Silicon Photonics
Subwavelength gratings refer to periodic structures that have a period less than half the wavelength of light in the material so that no Bragg...
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Double-layered subwavelength metallic slit array for performance-improvement of a fiber-optic silicon Fabry–Perot temperature sensor
The proof of concept of a polarization-sensitive temperature sensor composed of a silicon Fabry–Perot resonator sandwiched between double-layered...
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Numerical finite-difference time-domain calculation for extreme enhancement of magneto-optical effect at ultraviolet wavelength using Ni-subwavelength grating on SiO2/Ni structure
An extreme enhancement of the polar Kerr magneto-optical (MO) effect was numerically demonstrated using surface plasmon polaritons (SPPs) at the SiO 2 /...
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Subwavelength Stealth Technology of Metamaterials
Adjusting the reflection, transmission and absorption characteristics of materials is an important research on optical devices, which plays a key...
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Diffraction on a Perfectly Conducting Ribbon Grating
AbstractWe have solved the scattering problem of an s -polarized normally incident wave from a periodic grating made of thin perfectly conducting...
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Graphene-based electromechanically tunable subwavelength mid-IR perfect absorber
In this article, we propose and numerically investigate a graphene-based electromechanically tunable perfect absorber design. The fundamental...
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Surface plasmonic nano grating for improving GaAs PIN photodetectors performance
The photonics world is becoming increasingly interested in plasmonic photodetectors. In other words, the field of plasmonics allows light to be...
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Broadband near-infrared reflector based on double-layer subwavelength gratings
A broadband reflector with a reflectance up to 97.8% over a 144 nm spectral range from 1476 to 1620 nm is proposed by comprising double-layer...
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Nano-imprinted subwavelength gratings as polarizing beamsplitters
Polarizing beamsplitters have numerous applications in optical systems, such as systems for freeform surface metrology. They are classically...
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The bull’s-eye structure as a new plexcitonic circular grating
We theoretically demonstrate the strong coupling between plasmons and excitons in the plexcitonic circular grating. The J-aggregate molecules, as one...
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Research on Dammann grating metasurface based on Moiré effect
Traditional metasurfaces, once designed and manufactured, are fixed in function and difficult to change. In order to realize the dynamically tunable...
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Multi-analyte hybrid plasmonic dual grating biosensor hetereostructured by convexing slit width geometrical corrugation and its potentiality for noninvasive salivary glucose monitoring
A novel and self referenced multi-analyte Hybrid Plasmonic Dual Grating Biosensor is proposed. The grating structure is composed of gold and...
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High Q/V single-mode nanobeam-grating resonator, functional in the ultra-high sensitive label-free lab-on-a-chip chemical sensor
In this paper, we design and optimize a single-mode photonic crystal (PhC) nanobeam-grating (NBG) structure with antisymmetric quarter-elliptical...
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Highly efficient and aberration-free off-plane grating spectrometer and monochromator for EUV—soft X-ray applications
We demonstrate a novel flat-field, dual-optic imaging EUV—soft X-ray spectrometer and monochromator that attains an unprecedented throughput...
