Ultralow-Loss Phonon Polaritons in the Isotope-Enriched α-MoO3.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c03742
Abstract: α-MoO3, a natural van der Waals (vdWs) material, has received wide attention in nano-optics for supporting highly confined anisotropic phonon polaritons (PhPs) from the mid-infrared to the terahertz region, which opens a new route for… read more here.
Keywords: ultralow loss; loss; phonon polaritons; enriched moo3 ... See more keywords
High-yield, wafer-scale fabrication of ultralow-loss, dispersion-engineered silicon nitride photonic circuits
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-21973-z
Abstract: Low-loss photonic integrated circuits and microresonators have enabled a wide range of applications, such as narrow-linewidth lasers and chip-scale frequency combs. To translate these into a widespread technology, attaining ultralow optical losses with established foundry… read more here.
Keywords: ultralow loss; high yield; fabrication; loss dispersion ... See more keywords
β-Ga₂O₃: Ultralow loss and low permittivity dielectric ceramics for high-frequency packaging substrate
Sign Up to like & getrecommendations! Published in 2023 at "Inorganic Chemistry Frontiers"
DOI: 10.1039/d3qi00578j
Abstract: As the core carrier of integrated circuits, packaging substrate usually responds in time to the evolution of electronic products. Among which, ceramic substrate materials are desired to have excellent dielectric... read more here.
Keywords: ultralow loss; permittivity dielectric; low permittivity; packaging substrate ... See more keywords
An ultralow loss 4H-SiC double trenches MOSFET with integrated heterojunction diodes and split gate
Sign Up to like & getrecommendations! Published in 2020 at "Semiconductor Science and Technology"
DOI: 10.1088/1361-6641/ab92d0
Abstract: A novel ultralow loss 4H-SiC double trenches MOSFET is presented and its mechanism is investigated by simulation. The device features two integrated heterojunction diodes (HJD) consisting of a P-type polycrystalline Silicon (P-ploy Si) and SiC,… read more here.
Keywords: double trenches; ultralow loss; loss sic; sic double ... See more keywords
Reconfigurable hybrid silicon waveguide Bragg filter using ultralow-loss phase-change material.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.451078
Abstract: Reconfigurable silicon photonic devices attract much research attention, and hybrid integration with tunable phase-change materials (PCMs) exhibiting large refractive index contrast between amorphous (Am) and crystalline (Cr) states is a promising way to achieve this… read more here.
Keywords: ultralow loss; phase; silicon; phase change ... See more keywords
Multimode waveguide crossing with ultralow loss and low imbalance.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.392445
Abstract: The mode-division-multiplexing (MDM) technology has become an alternative solution to further increase the link capacity in optical communication systems. Ultralow loss waveguide crossings for multimode waveguides are requisite in on-chip MDM systems. We propose and… read more here.
Keywords: imbalance; ultralow loss; waveguide crossing; multimode waveguide ... See more keywords
Ultracompact and ultralow-loss S-bends with easy fabrication by numerical optimization.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.455461
Abstract: Ultra-longitudinal-compact S-bends with flexible latitudinal distances (d) are proposed and experimentally demonstrated with ultralow loss and fabrication-friendly structures by three steps based on numerical optimization. During the first step (curve optimization), insertion losses (ILs) of… read more here.
Keywords: ultralow loss; loss bends; ultracompact ultralow; numerical optimization ... See more keywords
CMOS-Compatible Ultralow-Loss Three-Step Silicon Edge Coupler with Substrate Substitution in the Whole Communication Band
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi14010066
Abstract: Edge coupler is a key component of silicon-based optoelectronic chips, which dramatically reduces the coupling loss between fibers and transmission waveguides. Here, we propose an ultralow-loss three-step silicon edge coupler based on a 130 nm… read more here.
Keywords: ultralow loss; silicon; edge coupler; loss ... See more keywords