Results 11 to 20 of about 7,053 (306)
Subwavelength structured silicon waveguides and photonic devices
Nanophotonics, 2020 Subwavelength structures such as subwavelength gratings (SWGs) and subwavelength metamaterials are capable of tailoring the optical properties of materials and controlling the flow of light at the nanoscale.
Sun Lu +4 more
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High-Transmission Biomimetics Structural Surfaces Produced via Ultrafast Laser Manufacturing
Biomimetics, 2023 Inspired by periodically aligned micro/nanostructures on biological surfaces, researchers have been fabricating biomimetic structures with superior performance. As a promising and versatile tool, an ultrafast laser combined with other forms of processing
Rui-Zhe Leng +6 more
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Ultra-Compact Sub-Wavelength Grating Polarization Splitter-Rotator for Silicon-on-Insulator Platform
IEEE Photonics Journal, 2016 We designed and fabricated a polarization splitter-rotator (PSR) on a silicon-on-insulator (SOI) platform based on an asymmetric directional coupler. The asymmetric directional coupler consists of a regular strip waveguide and a sub-wavelength grating ...
Yun Wang +6 more
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Subwavelength optical localization with toroidal excitations in plasmonic and Mie metamaterials
InfoMat, 2021 Since the performance of electronic circuits is becoming rather limited in face of intensively increasing of amount of information and related operations, all‐optical processing offers a promising strategy for future information system.
Ruisheng Yang +7 more
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Wide band UV/Vis/NIR blazed-binary reflective gratings: two lithographic techniques investigation [PDF]
EPJ Web of Conferences, 2021 We report on subwavelength reflective gratings for hyperspectral applications operating in the 340 nm-1040 nm spectral range. The blazed grating period is 30 μm and is composed of 2D subwavelength binary structures with sizes in-between 120 nm and 350 nm.
Lee Mane-Si Laure +11 more
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Results in Physics, 2019 We propose a method of fabricating subwavelength structures based on multi-exposure surface plasmon interference lithography. This new nanolithography technique fabricates various subwavelength structures breaking the diffraction limit, which differs ...
Xiangxian Wang +7 more
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Apodized Focusing Fully Etched Subwavelength Grating Couplers
IEEE Photonics Journal, 2015 We experimentally demonstrate apodized focusing subwavelength grating couplers for both the fundamental transverse electric (TE00) mode and the fundamental transverse magnetic (TM00) mode.
Yun Wang +10 more
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A Mid-Infrared Dual-Band Filter With Ultra-High Resolving Power
IEEE Photonics Journal, 2020 A mid-infrared (mid-IR) dual-band filter with ultra-high resolving power is designed and numerically investigated. It is composed of an Al2O3 layer between a gold grating and a CaF2 substrate.
Xin He +4 more
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Suspended Dielectric Mirrors at Deep Subwavelength Scale
IEEE Photonics Journal, 2018 Reduction in the thickness of air-suspended mirrors to the deep subwavelength scale can facilitate efficient optical and mechanical design. The thinner the mirror, the smaller is its mass, and the more excellent mechanical properties it presents.
Ze Lin Tan +3 more
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Inverse designed extended depth of focus meta-optics for broadband imaging in the visible
Nanophotonics, 2021 We report an inverse-designed, high numerical aperture (∼0.44), extended depth of focus (EDOF) meta-optic, which exhibits a lens-like point spread function (PSF).
Bayati Elyas +5 more
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