Dual-wavelengths filter operating at visible wavelength region using subwavelength grating on waveguide structure
Sign Up to like & getrecommendations! Published in 2019 at "Optical Review"
DOI: 10.1007/s10043-019-00541-3
Abstract: A dual-wavelength filter was experimentally demonstrated using subwavelength grating (SWG)/waveguide structure. We designed the structural parameters of the SWG and the waveguide to find the reflection peaks in the visible wavelength region. To investigate the… read more here.
Keywords: visible wavelength; subwavelength grating; using subwavelength; waveguide structure ... See more keywords
Optical detection for magnetic field using Ni-subwavelength grating on SiO2/thin-film Ag/glass structure
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-74202-w
Abstract: An optical sensor for magnetic field detection using Ni-subwavelength grating (SWG) on SiO2/Ag-thin-film/glass substrates was experimentally developed on the basis of the re-radiation condition of surface-plasmon-polaritons (SPPs) at Ag surfaces. The fabricated sample showed two… read more here.
Keywords: subwavelength grating; field; using subwavelength; thin film ... See more keywords
Releasing the light field in subwavelength grating slot microring resonators for athermal and sensing applications.
Sign Up to like & getrecommendations! Published in 2020 at "Nanoscale"
DOI: 10.1039/d0nr00833h
Abstract: Silicon-on-insulator (SOI) platforms have attracted increasing interest for photonic integrated devices with an ultra-small footprint. The distinct feature is the strong light confinement in the silicon region due to a high refractive-index-contrast. In contrast, releasing… read more here.
Keywords: subwavelength grating; slot; sensing applications; releasing light ... See more keywords
All-Si photodetector for telecommunication wavelength based on subwavelength grating structure and critical coupling
Sign Up to like & getrecommendations! Published in 2017 at "AIP Advances"
DOI: 10.1063/1.4995700
Abstract: We propose an efficient planar all-Si internal photoemission photodetector operating at the telecommunication wavelength of 1550 nm and numerically investigate its optical and electrical properties. The proposed polarization-sensitive detector is composed of an appropriately engineered… read more here.
Keywords: subwavelength grating; critical coupling; photodetector; grating structure ... See more keywords
Subwavelength Grating Metamaterial Racetrack Resonator for Sensing and Modulation
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2019.2915980
Abstract: Subwavelength grating metamaterial racetrack ring resonator (SGMRTR) increases the coupling strength between the bus waveguide and the ring resonator and thus better extinction ratio can be achieved. In this paper, we summarized our recent work… read more here.
Keywords: ring resonator; metamaterial racetrack; subwavelength grating; grating metamaterial ... See more keywords
Subwavelength Grating Lens With Continuous Phase Shifts
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2021.3076289
Abstract: Planar optical device with continuous phase shifting (CPS) has raised widespread interest recently. Formed by subwavelength micro/nano structures, planar optics are able to control wavefront in multi aspects including phase and polarization. Most phase shifters… read more here.
Keywords: grating lens; grating based; continuous phase; subwavelength grating ... See more keywords
Subwavelength grating waveguide racetrack-based refractive index sensor with improved figure of merit.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.404721
Abstract: An all-subwavelength grating waveguide-based sensing structure for figure of merit (FOM) improvement on a silicon-on-insulator platform is proposed and demonstrated. Four racetrack resonators are applied to narrow the spectrum from the drop port of a… read more here.
Keywords: subwavelength grating; figure merit; racetrack; grating waveguide ... See more keywords
Subwavelength grating based mode (de)multiplexer for 3D photonic integrated circuits.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.416116
Abstract: A broadband three-dimensional (3D) mode (de) multiplexer [(De)MUX] is proposed based on the subwavelength grating (SWG) for 3D photonic integrated circuits (PICs). The proposed 3D mode (De)MUX consists of three SWG waveguides on two vertical… read more here.
Keywords: photonic integrated; integrated circuits; mode multiplexer; subwavelength grating ... See more keywords
Design and analysis of a compact subwavelength-grating-assisted 1.55/2 µm wavelength demultiplexer.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.427739
Abstract: The wavelength demultiplexer (deWMUX) is an indispensable component for the wavelength diversity system. In this paper, we propose a subwavelength-grating-assisted ${{1}} \times {{2}}$ deWMUX based on the principle of multimode interference, which aims to output… read more here.
Keywords: grating assisted; subwavelength grating; wavelength demultiplexer;
Compact polarization beam splitter assisted by subwavelength grating in triple-waveguide directional coupler.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.002264
Abstract: A polarization beam splitter (PBS) is one of the key components for manipulating different polarization states in the areas of optical interconnection and communication. In this paper, a PBS with two coupling regions using a… read more here.
Keywords: polarization beam; triple waveguide; polarization; subwavelength grating ... See more keywords
Optical forces in silicon subwavelength-grating waveguides.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.030876
Abstract: A theoretical analysis is given for the optical forces induced by the Bloch mode propagating along a silicon subwavelength-grating (SWG) waveguide for the first time. As a periodical structure, an SWG waveguide supports periodical light… read more here.
Keywords: subwavelength grating; nano particles; silicon subwavelength; optical forces ... See more keywords