Modeling of Hybrid Plasmonic Ring Resonator Based on Dielectric Filled Subwavelength Metal Grating
Sign Up to like & getrecommendations! Published in 2018 at "Plasmonics"
DOI: 10.1007/s11468-018-0874-4
Abstract: A nanophotonic dual ring Cu-SiO2-Si-Cu-SiO2 plasmonic switch with subwavelength metal grating as switching element is designed and simulated in this paper. The 2D finite element method (FEM)–based COMSOL simulations are performed in the optical C-band… read more here.
Keywords: metal grating; modeling hybrid; filled subwavelength; subwavelength metal ... See more keywords
Cylinder and metal grating polarization beam splitter
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2017.1291860
Abstract: Abstract We propose a novel and compact metal grating polarization beam splitter (PBS) based on its different reflected and transmitted orders. The metal grating exhibits a broadband high reflectivity and polarization dependence. The rigorous coupled… read more here.
Keywords: metal grating; grating polarization; beam splitter; polarization beam ... See more keywords
Terahertz Quantum Well Photodetectors With Metal-Grating Couplers
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2016.2608618
Abstract: In this paper, terahertz (THz) quantum well photodetectors (QWPs) with metal-grating couplers are presented for normal-incident operation. Both one-dimensional and two-dimensional grating samples were fabricated. The photocurrent spectra and the peak responsivity were characterized. The… read more here.
Keywords: metal grating; photodetectors metal; grating couplers; terahertz quantum ... See more keywords
Semiconductor–Metal-Grating Slow Wave Amplifier for Sub-THz Frequency Range
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2019.2935312
Abstract: The concept of semiconductor slow wave amplifier aimed at sub-terahetz frequencies is studied numerically. The scheme of the transversal amplifier with metal grating is proposed. The requirements on semiconductor parameters that provide positive net amplification… read more here.
Keywords: wave amplifier; slow wave; metal grating; semiconductor ... See more keywords
Nearly perfect transmission of unpolarized infrared radiation through a one-dimensional metal grating embedded in a monolithic high-contrast grating.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.411112
Abstract: We demonstrate a conceptually simple polarization-independent mechanism for nearly perfect infrared light transmission through a subwavelength one-dimensional metal grating implemented in the grooves of a deep-subwavelength monolithic high-contrast grating (metalMHCG). We provide theoretical background explaining… read more here.
Keywords: metal grating; contrast; transmission; one dimensional ... See more keywords
Unidirectional spintronic terahertz emitters with high efficiency.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.476809
Abstract: Due to the high performance and low cost, spintronic terahertz emitters (STEs) have been a hot topic in the field of terahertz sources. However, most of the research focuses on the THz generation process and… read more here.
Keywords: spintronic terahertz; metal grating; thz; unidirectional spintronic ... See more keywords
Enhanced Reflection of GaAs Nanowire Laser Using Short-Period, Symmetric Double Metal Grating Reflectors
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12091482
Abstract: Owing to the high contrast of the refractive indices at the end facets of a nanowire, lasing emission can be achieved in an individual nanowire without external, reflected feedback. However, the reflection provided by the… read more here.
Keywords: metal grating; nanowire; nanowire laser; double gratings ... See more keywords