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   Articles with "silicon rich" as a keyword



Large Bidirectional Refractive Index Change in Silicon‐rich Nitride via Visible Light Trimming

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recommendations! Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202403420

Abstract: Phase‐sensitive integrated photonic devices are highly susceptible to minor manufacturing deviations, resulting in significant performance inconsistencies. This variability has limited the scalability and widespread adoption of these devices. Here, a major advancement is achieved through… read more here.

Keywords: rich nitride; visible light; silicon rich; bidirectional refractive ... See more keywords

Enhanced catalytic performance in butylene cracking by hierarchical surface silicon-rich ZSM-5

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recommendations! Published in 2017 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2017.04.010

Abstract: Abstract In the process of butylene catalytic cracking, the amount, location and strength of acid sites of the catalyst play an important role in suppressing the undesired reactions. Hydrothermal dealumination is widely used to adjust… read more here.

Keywords: silicon rich; surface; surface silicon; hierarchical surface ... See more keywords

Enhanced reduction and adsorption of hexavalent chromium by palladium and silicon rich biochar supported nanoscale zero-valent iron.

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recommendations! Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.08.075

Abstract: The potential of silicon-rich biochar and Pd were evaluated for the enhanced removal of Cr(VI) in solution by nanoscale zero-valent iron (nZVI) composites. The composition and structures of the nZVI, RS700-supported nZVI, and Pd-doped samples… read more here.

Keywords: reduction; adsorption; silicon rich; nzvi rs700 ... See more keywords

3D Printing of Hierarchical Structures Made of Inorganic Silicon-Rich Glass Featuring Self-Forming Nanogratings

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recommendations! Published in 2024 at "ACS Nano"

DOI: 10.1021/acsnano.4c09339

Abstract: Hierarchical structures are abundant in nature, such as in the superhydrophobic surfaces of lotus leaves and the structural coloration of butterfly wings. They consist of ordered features across multiple size scales, and their advantageous properties… read more here.

Keywords: hierarchical structures; inorganic silicon; rich glass; glass featuring ... See more keywords

Silicon rich nitride ring resonators for rare – earth doped telecommunications-band amplifiers pumped at the O-band

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recommendations! Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-09732-x

Abstract: Ring resonators on silicon rich nitride for potential use as rare-earth doped amplifiers pumped at 1310 nm with amplification at telecommunications-band are designed and characterized. The ring resonators are fabricated on 300 nm and 400 nm silicon rich… read more here.

Keywords: silicon rich; ring resonators; telecommunications band; rare earth ... See more keywords

Broadband incoherent four-wave mixing and 27 dB idler conversion efficiency using ultra-silicon rich nitride devices

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recommendations! Published in 2018 at "Applied Physics Letters"

DOI: 10.1063/1.5010841

Abstract: The generation of broadband light within the telecommunication band has been instrumental to the design and characterization of advanced optical devices and systems. In this paper, stimulated degenerate four-wave mixing of an ultra-silicon rich nitride… read more here.

Keywords: idler; silicon rich; four wave; wave mixing ... See more keywords
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Ultrahigh-Q photonic crystal cavities in silicon rich nitride.

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recommendations! Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.027334

Abstract: Ultrahigh-Q Photonic Crystal cavities were realized in a suspended Silicon Rich Nitride (SiNx) platform for applications at telecom wavelengths. Using a line width modulated cavity design we achieved a simulated Q of 520,000 with a… read more here.

Keywords: silicon rich; crystal cavities; photonic crystal; ultrahigh photonic ... See more keywords

Enhancement of second-harmonic generation in silicon-rich nitride using photonic bound states in the continuum.

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recommendations! Published in 2025 at "Optics express"

DOI: 10.1364/oe.557949

Abstract: Silicon-rich nitride (SRN) grown by plasma-enhanced chemical vapor deposition (PECVD) was used as a second-order nonlinear material platform for strongly enhanced second-harmonic generation (SHG) using photonic quasi-bound states in the continuum (QBIC) excited under nearly… read more here.

Keywords: rich nitride; silicon rich; using photonic; harmonic generation ... See more keywords

Efficient and compact thermo-optic phase shifter in silicon-rich silicon nitride.

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recommendations! Published in 2021 at "Optics letters"

DOI: 10.1364/ol.431757

Abstract: The design, fabrication, and characterization of low-loss ultra-compact bends in high-index (n=3.1 at λ=1550nm) plasma-enhanced chemical vapor deposition silicon-rich silicon nitride (SRN) were demonstrated and utilized to realize efficient, small footprint thermo-optic phase shifter. Compact… read more here.

Keywords: silicon nitride; rich silicon; silicon; silicon rich ... See more keywords

Realization of a wide steering end-fire facet optical phased array using silicon rich silicon nitride.

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recommendations! Published in 2022 at "Optics letters"

DOI: 10.1364/ol.476819

Abstract: The design, fabrication, and characterization of a 16-element optical phased array (OPA) using a high index (n = 3.1) silicon-rich silicon nitride (SRN) is demonstrated. We present one-dimensional beam steering with end-fire facet antennas over a wide… read more here.

Keywords: phased array; silicon nitride; rich silicon; optical phased ... See more keywords

Thermo-optically tunable spectral broadening in a nonlinear ultra-silicon-rich nitride Bragg grating

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recommendations! Published in 2021 at "Photonics Research"

DOI: 10.1364/prj.411073

Abstract: Spectral tunability methods used in optical communications and signal processing leveraging optical, electrical, and acousto-optic effects typically involve spectral truncation that results in energy loss. Here we demonstrate temperature tunable spectral broadening using a nonlinear… read more here.

Keywords: nonlinear ultra; bragg grating; spectral broadening; silicon rich ... See more keywords