Results 201 to 210 of about 3,009,147 (231)
a-SiC:H anti-resonant layer ARROW waveguides
Journal of Optics A: Pure and Applied Optics, 2008 Over the last decades, anti-resonant reflecting optical waveguides (ARROW) have been used in different integrated optics applications. In this type of waveguide, light confinement is partially achieved through an anti-resonant reflection. In this work, the simulation, fabrication and characterization of ARROW waveguides using dielectric films deposited
D O Carvalho, M I Alayo
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Effect of Altering Outer-Layer-Tube Thickness in Two-Ring Anti-Resonant Hollow-Core Fibers
Frontiers in Optics / Laser Science, 2020We report on spectral shifting of the low-loss band when outer-layer-tube thickness in two-ring anti-resonant hollow-core fibers is altered. This indicates that the loss reduction originates from the additional anti-resonant reflection at the outer-layer-tube interface.
Yuxi Wang, Wonkeun Chang
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Tio2 Anti-Resonant Layer Arrow Waveguides
ECS Transactions, 2008The simulation, fabrication and characterization of ARROW waveguides using dielectric films deposited by Plasma Enhanced Chemical Vapor Deposition (PECVD) and Sputtering techniques, are presented in this work. Amorphous titanium oxide (TiO2) films were used as first cladding layer and silicon oxynitride (SiOxNy) films, as core and second cladding ...
Daniel O. Carvalho, Marco I. Alayo
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Layered SAW Resonators with Near-Zero TCF at Both Resonance and Anti-resonance
2019 IEEE International Ultrasonics Symposium (IUS), 2019A layered SAW configuration consisting of a thin piezoelectric layer bonded onto a support substrate has been drawing attention for its superior performances—a higher quality factor (Q), higher electromechanical coupling factor (k2) and better temperature coefficient of frequency (TCF)—than conventional SAW technologies.
Shogo Inoue, Marc Solal
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Low-loss hollow-core photonic bandgap fiber with isolated anti-resonance layer
Optics Communications, 2019Abstract In this study, a low-loss hollow-core photonic bandgap fiber (HC-PBF) with an isolated anti-resonance layer is proposed. The fiber cladding structure is the same as that of conventional HC-PBF, while the fiber core is surrounded and formed by an isolated anti-resonance layer which separates the core from the cladding. Simulation results show
Fuyu Gao +3 more
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Optimized‐geometry ARROW waveguides using TiO2 as anti‐resonant layer
physica status solidi c, 2010AbstractThe simulation, fabrication and characterization of ARROW waveguides using dielectric films deposited by Plasma Enhanced Chemical Vapor Deposition (PECVD) and Sputtering techniques, are presented in this work. Amorphous titanium oxide (TiO2) films were used as first cladding layer and silicon oxynitride (SiOxNy) films, as core layer ...
Daniel O. Carvalho +2 more
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Double layer hollow core anti-resonant fiber for small core and low loss characteristics
Conference on Lasers and Electro-Optics, 2017We study the function of second cladding layer of the tube lattice fiber (TLF) and experimentally demonstrate the important role of the second layer in the reduction of both confinement loss (CL) and bending loss.
Xiaosheng Huang +3 more
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TiOxNy anti‐resonant layer ARROW waveguides
physica status solidi c, 2010AbstractARROW waveguides with sputtered‐TiOxNy anti‐resonant layers obtained with different nitrogen concentration in the gaseous mixture were fabricated and characterized. A study of the influence of this parameter on the losses of the waveguides is presented in this work.
Daniel O. Carvalho +2 more
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We propose and numerically analyze a broadband single-mode low-loss high-birefringence hybrid hollow-core polarization-maintaining fiber (HC-PMF) with high fabrication feasibility. This hybrid HC-PMF incorporates two pairs of anti-resonant arc-layers, made of two materials with a slight refractive index difference, into the core of a 19-cell hollow ...
Yuying Guo +5 more
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Yuying Guo +5 more
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