搜索结果: 1-15 共查到“工学 waveguides”相关记录69条 . 查询时间(0.074 秒)
Robust design of slow-light tapers in periodic waveguides
robust optimization PDE-constrained optimization shape optimization coupling taper periodic waveguide slow-light photonics
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2015/8/10
This paper concerns the design of tapers for coupling power between uniform and slow-light periodic waveguides. New optimization methods are described for designing robust tapers, which not only perfo...
Compact bends for multi-mode photonic crystal waveguides with high transmission and suppressed modal crosstalk
Nanophotonics photonic crystals Integrated optics devices Photonic crystal waveguides
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2015/8/7
We demonstrate an extremely compact bend for a photonic crystal waveguide supporting three spatial modes. The bend exhibits nearly 100% transmission over a relative bandwidth of 1% with less than 1% c...
Broadband Sharp 90-degree Bends and T‑Splitters in Plasmonic Coaxial Waveguides
plasmonics coaxial waveguide transmission line bend splitter integrated optical circuit
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2015/8/7
We demonstrate numerically that sharp 90°bends and T-splitters can be designed in plasmonic coaxial waveguides at deep-subwavelength scale to operate without reflection and radiation over a broa...
Phase-Matching and Parametric Conversion for the Mid-Infrared in As2S3 Waveguides
As2S3 Mid-Infrared Phase-Matching Four-Wave Mixing
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2013/1/30
We illustrate two As2S3 waveguide designs for four-wave mixing, which can generate 3.03 μm mid-infrared light from a 1.55 μm near-infrared signal source and a 2.05 μm pump source. Through simulations,...
THz-Wave Generation from GaP THz Photonic Crystal Waveguides under Difference-Frequency Mixing
THz-Wave Generation Photonic Crystal Waveguide Nonlinear Optical Effect
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2013/1/30
GaP terahertz (THz) two-dimensional (2D) photonic crystal (PC) waveguides with line defects were fabricated using inductively-coupled plasma reactive-ion etching (ICP-RIE) in Ar/Cl2 gas chemistries. T...
Design for broadband on-chip isolator using stimulated Brillouin scattering in dispersion-engineered chalcogenide waveguides
Nonlinear optics Stimulated scattering modulation Nonlinear optics devices
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2015/8/7
We propose a scheme for on-chip isolation in chalcogenide(As2S3) rib waveguides, in which Stimulated Brillouin Scattering is used to induce non-reciprocal mode conversion within a multi-moded waveguid...
Optical Properties of the Coupling Interface for Planar Optical Waveguides
Planar Optical Waveguide Coupling Interface Beam Propagation Optical Property
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2013/1/30
Planar optical waveguides are the key elements in a modern, high-speed optical network. An important problem facing the optical fiber communication system, specifically planar optical waveguides, is c...
Transverse Electromagnetic Modes in Aperture Waveguides Containing a Metamaterial with Extreme Anisotropy
Transverse Electromagnetic Modes Aperture Waveguides Containing Metamaterial Extreme Anisotropy
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2015/8/10
We use metamaterials with extreme anisotropy to solve the fundamental problem of light transport in deep subwavelength apertures. By filling a simply connected aperture with an anisotropic mediu...
Athermal AWGs in SOI by overlaying a Polymer Cladding on Narrowed Arrayed Waveguides
Integrated Optics Components Integrated Optics Devices
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2015/5/22
Athermal AWGs in SOI are experimentally demonstrated for the first time to our knowledge. By using narrowed arrayed waveguides and overlaying of polymer, we obtain a wavelength temperature dependence ...
Fully CMOS Compatible Subwavelength Plasmonic Slot Waveguides for Si Electronic-Photonic Integrated Circuits
Plasmonics Waveguides Photonic integrated circuits
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2015/5/22
Subwavelength horizontal Al/SiO 2 /Si/SiO 2 /Al plasmonic slot waveguides with SiO 2 width at each side of 15 nm and Si width of 136, 87, and 43 nm are fabricated on SO...
Phase Sensitive Degenerate Parametric Amplification Using Highly Efficient PPLN Ridge Waveguides
Nonlinear optics parametric processes Lithium niobate
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2015/5/22
We constructed the first CW pumped degenerate parametric amplifier based on PPLN waveguides. We successfully demonstrated an in-phase gain of +11 dB and the phase sensitive amplification of a modulate...
Phase-Sensitive Wavelength Conversion Based on Cascaded Quadratic Processes in Periodically Poled Lithium Niobate Waveguides
Optical communications Lithium niobate Nonlinear optics parametric processes Nonlinear optical devices
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2015/5/22
We propose and experimentally demonstrate a novel scheme of phase-sensitive wavelength conversion, based on a combination of cascaded second-order nonlinear effects in two cascaded periodically poled ...
Compact broadband polarizer based on shallowly-etched silicon-on-insulator ridge optical waveguides
Compact broadband polarizer based shallowly-etched silicon-on-insulator ridge optical waveguides
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2015/5/21
A novel type of optical polarizer based on silicon-on-insulator shallowly-etched ridge waveguide is designed,fabricated and characterized. The present polarizer is compact, broad-band, and easy-fabric...
Fabrication-error-tolerant, Hybrid Wedge Plasmon Polariton Waveguides for Ultra-deep-subwavelength Mode Confinement at 1550nm Wavelength
Fabrication-error-tolerant Hybrid Wedge Plasmon Polariton Waveguides
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2015/5/15
A novel hybrid plasmonic waveguide based on a triangular metal wedge is proposed. The structure could achieve ultra-deep-subwavelength mode confinement with low-loss, while its mode properties are sti...
Refractive index profiles of planar waveguides produced in electrodiffusion processes
planar waveguides field-assisted ion-exchange
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2011/4/26
The paper presents the results of investigation which demonstrate the possibilities to shape refractive index profiles of planar waveguides produced in glass using the ion exchange technique with the ...