Periodic and Aperiodic NiFe Nanomagnet/Ferrimagnet Hybrid Structures for 2D Magnon Steering and Interferometry with High Extinction Ratio.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202301087
Abstract: Magnons, quanta of spin waves, are known to enable information processing with low power consumption at the nanoscale. So far, however, experimentally realized half-adders, wave-logic and binary output operations were based on few µm-long spin waves… read more here.
Keywords: periodic aperiodic; spin waves; interferometry; high extinction ... See more keywords
High extinction ratio hexagonal boron nitride polarizer
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.08.142
Abstract: Abstract In this paper, we theoretically studied that the high extinction ratio polarizers can be designed with hexagonal boron nitride (hBN). We demonstrated that the transverse electric wave can pass the single hBN slab with… read more here.
Keywords: boron nitride; extinction; hexagonal boron; high extinction ... See more keywords
High extinction ratio bandgap of photonic crystals in LNOI wafer
Sign Up to like & getrecommendations! Published in 2017 at "Optical Materials"
DOI: 10.1016/j.optmat.2016.12.017
Abstract: Abstract A high-extinction-ratio bandgap of air-bridge photonic crystal slab, in the near infrared, is reported. These structures were patterned in single-crystalline LiNbO3 film bonded to SiO2/LiNbO3 substrate by focused ion beam. To improve the vertical… read more here.
Keywords: bandgap; high extinction; extinction ratio; ratio bandgap ... See more keywords
High extinction ratio electromagnetically induced transparency analogue based on the radiation suppression of dark modes
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-11920-8
Abstract: A high extinction ratio (ER) electromagnetically induced transparency (EIT) analogue based on single-layer metamaterial is designed and experimentally demonstrated in this paper. This design involves four mirror-like symmetrically coupled split ring resonators (SRRs) that exhibit… read more here.
Keywords: ratio electromagnetically; induced transparency; high extinction; dark ... See more keywords
Broadband polarizer using single-layer grating with ultra-high extinction ratio
Sign Up to like & getrecommendations! Published in 2023 at "AIP Advances"
DOI: 10.1063/5.0135669
Abstract: Polarizers are an essential optical element for tailoring the polarization state of electromagnetic waves in a wide range of optical devices. Such polarizers, which exhibit a wide operating bandwidth and high performance, are attracting increasing… read more here.
Keywords: extinction ratio; ultra high; single layer; high extinction ... See more keywords
GeSbSeTe-based high extinction ratio optical modulator.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.486042
Abstract: In this paper, a design for a high extinction ratio Mach-Zehnder optical modulator is proposed. The switchable refractive index of the germanium-antimony-selenium-tellurium (GSST) phase change material is employed to induce destructive interference between the waves… read more here.
Keywords: high extinction; extinction ratio; optical modulator; modulator ... See more keywords
Integrated photonic high extinction short and long pass filters based on lateral leakage.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.426442
Abstract: In this contribution we present a new approach to achieve high extinction short and long pass wavelength filters in the integrated photonic platform of lithium niobate on insulator. The filtering of unwanted wavelengths is achieved… read more here.
Keywords: short long; integrated photonic; long pass; extinction short ... See more keywords
Low loss and high extinction ratio all-silicon TM-pass polarizer with reflection removal enabled by contra-mode conversion Bragg-gratings.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.432807
Abstract: Bragg-gratings have been frequently used to design compact and high extinction ratio (ER) on-chip polarizers. However, the strong reflection of the unwanted polarization may deteriorate the performance of the light source or cause unwanted interferences.… read more here.
Keywords: bragg gratings; high extinction; extinction ratio; pass polarizer ... See more keywords
High extinction ratio terahertz wire-grid polarizers with connecting bridges on quartz substrates.
Sign Up to like & getrecommendations! Published in 2017 at "Optics letters"
DOI: 10.1364/ol.42.000955
Abstract: A terahertz (THz) wire-grid polarizer with metallic bridges on a quartz substrate was simulated, fabricated, and tested. The device functions as a wide-band polarizer to incident THz radiation. In addition, the metallic bridges permit the… read more here.
Keywords: terahertz; wire grid; bridges quartz; high extinction ... See more keywords
High-extinction-ratio low-voltage dual-racetrack modulator for low-power DAC-less PAM-4 modulation.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.448441
Abstract: In a parallel-coupled dual-racetrack modulator, resonant light in two resonators can interfere with each other. In lieu of critical coupling, such interference is capable of producing high extinction ratios (ERs) for high-speed modulation. Experiments demonstrate… read more here.
Keywords: modulation; modulator; racetrack modulator; high extinction ... See more keywords
Design of Ultra-High Extinction Ratio TM- and TE-Pass Polarizers Based on Si-Sc0.2Sb2Te3 Hybrid Waveguide
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi13040495
Abstract: The selective polarizers play an important role in silicon-based integrated circuits. The previous polarizers based on silicon waveguides have the defects of large scale and low extinction ratio. In this work, TM- and TE-pass polarizers… read more here.
Keywords: polarizers based; pass; extinction; pass polarizers ... See more keywords