Simulant designing of an ultra-compact AND, OR logical gates based on two-dimensional photonic crystal waveguides
Sign Up to like & getrecommendations! Published in 2018 at "Photonic Network Communications"
DOI: 10.1007/s11107-018-0785-5
Abstract: In this paper, we employed optical waveguides in a silicon rod base structure to realize AND, OR logical operation simultaneously based on two-dimensional photonic crystals. All of the structure is composed of silicon rods. Employing… read more here.
Keywords: ultra compact; based two; designing ultra; two dimensional ... See more keywords
High sensitivity and ultra compact fiber-optic microtip SPR thermometer coated with Ag/PDMS bilayer film
Sign Up to like & getrecommendations! Published in 2021 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2021.102619
Abstract: Abstract In this paper, we report an ultra-compact reflective SPR microtip temperature probe, which can achieve 2-D spatial resolution of several microns. The pencil-shaped all-fiber microtip proposed by us is a SO2 cone-cylinder with a… read more here.
Keywords: ultra compact; microtip; sensitivity; film ... See more keywords
Numerical investigations of an ultra-compact polarization beam splitter based on augmented low-index guiding and subwavelength grating structures
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-35841-2
Abstract: We report the design of an ultra-compact polarization beam splitter with high performance that is based on augmented low-index guiding and subwavelength grating (SWG) structures. The transverse-electric (TE) and transverse-magnetic (TM) modes are confined in… read more here.
Keywords: index; ultra compact; polarization beam; polarization ... See more keywords
A top-down fabricated gold nanostrip on a silicon-on-insulator wafer: a promising building block towards ultra-compact optical devices.
Sign Up to like & getrecommendations! Published in 2021 at "Nanoscale"
DOI: 10.1039/d0nr06908f
Abstract: A plasmonic waveguide is a fundamental building block for high speed, large data transmission capacity, low energy consumption optical communication and sensing. Controllable fabrication and simultaneous optimization of propagation loss and coupling efficiency with free… read more here.
Keywords: silicon insulator; ultra compact; building block;
Ultra-compact visible light depolarizer based on dielectric metasurface.
Sign Up to like & getrecommendations! Published in 2020 at "Applied physics letters"
DOI: 10.1063/1.5133006
Abstract: With rapid development towards shrinking the size of traditional photonic systems such as cameras, spectrometers, displays and illumination systems, there is an urgent need for high performance and ultra-compact functional optical elements. The large footprint… read more here.
Keywords: based dielectric; ultra compact; dielectric metasurface; light ... See more keywords
Full-wave analysis and design of optical fractional-order temporal differentiators based on ultra-compact microring resonator
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2020.1786179
Abstract: Optical temporal differentiators (DIFFs) based on on-chip all-pass microring resonators (APMRRs) are the fundamental all-optical signal processing blocks for differentiation of the complex envelope of optical pulses. This paper presents, for the first time to… read more here.
Keywords: order; ultra compact; temporal differentiators; full wave ... See more keywords
On the radial stability of ultra-compact Schwarzschild stars beyond the Buchdahl limit
Sign Up to like & getrecommendations! Published in 2019 at "Classical and Quantum Gravity"
DOI: 10.1088/1361-6382/ab0526
Abstract: In this paper we used the theory of adiabatic radial oscillations developed by Chandrasekhar to study the conditions for dynamical stability of constant energy-density stars, or Schwarzschild stars, in the unstudied ultra compact regime beyond… read more here.
Keywords: ultra compact; beyond buchdahl; buchdahl limit; schwarzschild stars ... See more keywords
Ultra-compact spherically symmetric dark matter charged star objects
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2019/09/049
Abstract: We study the properties of ultra-compact spherically symmetric dark matter sector star objects, being the solution of Einstein equations with two $U(1)$-gauge fields. One of them is the ordinary Maxwell field, while the auxiliary gauge… read more here.
Keywords: spherically symmetric; ultra compact; matter; dark matter ... See more keywords
On the ultra-compact nature of the neutron star system 1RXS J170854.4−321857: insights from X-ray spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz2004
Abstract: The relatively small family of ultra-compact X-ray binary systems is of great interest for many areas of astrophysics. We report on a detailed X-ray spectral study of the persistent neutron star low-mass X-ray binary 1RXS J170854.4−321857.… read more here.
Keywords: ultra compact; j170854 321857; 1rxs j170854; spectroscopy ... See more keywords
High Resolution and Ultra-Compact On-Chip Spectrometer Using Bidirectional Edge-Input Arrayed Waveguide Grating
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2020.2992905
Abstract: Two Edge-input arrayed waveguide gratings (AWGs) with star couplers of Confocal and Rowland configurations, respectively, are experimentally investigated and the one with the Rowland configuration shows better performance in terms of insertion loss and crosstalk.… read more here.
Keywords: edge input; ultra compact; compact chip; spectrometer ... See more keywords
Ultra-Compact Waveguide-Integrated TE-Mode Converters With High Mode Purity by Designing Ge/Si Patterns
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2924544
Abstract: In this letter, we propose ultra-compact TE-polarized even-to-odd mode converter designs by introducing Ge/Si patterns into silicon waveguide-integrated functional region. The Ge areas with continuous boundaries are determined by topology optimization that combines finite element… read more here.
Keywords: high mode; mode purity; ultra compact; waveguide integrated ... See more keywords