-
241
Research on Envelope Profile of Lithium Niobate on Insulator Stepped-Mode Spot Size Converter
Published 2025-01-01“…This stepped SSC can reduce the coupling loss between the LNOI waveguide and a normal single-mode optical fiber. First, the output waveguide of a mode converter was proposed and simulated, in which the mode field had the biggest overlapping integral factor with a single-mode fiber (MDF ≈ 9.8 μm). …”
Get full text
Article -
242
Flexible, Front-Facing Luminescent Solar Concentrators Fabricated from Lumogen F Red 305 and Polydimethylsiloxane
Published 2019-01-01“…Finally, optical measurements of the LSC waveguides suggest that they could support plant growth underneath. …”
Get full text
Article -
243
Improved Vlasov Antenna with Curved Cuts and Optimized Reflector Position and Shape
Published 2015-01-01“…Furthermore, with the proposed reflector configuration, the wave is radiated in the direction of the axis of the waveguide. A Vlasov antenna, designed for operation at 3 GHz, is used to compare the three cut types. …”
Get full text
Article -
244
Single-Photon Detectors for Quantum Integrated Photonics
Published 2024-12-01“…Applications such as quantum key distribution, quantum cryptography, and quantum computation demand the ability to detect individual quanta of light and distinguish between single-photon states and multi-photon states, particularly when operating within waveguide systems. Although single-photon detector fabrication has been established for some time, integrating detectors with waveguides using new materials with suitable structural and electronic properties, especially at telecommunication wavelengths, creates more compact source-line-detector systems. …”
Get full text
Article -
245
Design and Optimization of LTE 1800 MIMO Antenna
Published 2014-01-01“…The printed double-L sleeve monopole antenna is fed by a 50 ohm coplanar waveguide (CPW). A novel T-shaped microstrip feedline printed on the other side of the PCB is used to excite the waveguide’s outer shell. …”
Get full text
Article -
246
Angle-controlled strong and weak coupling in photon molecules
Published 2025-01-01“…The system consists of a base waveguide layer and a single ribbon structure. By changing the in-plane angle between ribbon and incidence, the coupling strength between ribbon resonance and waveguide mode ranges from 0.03 to 0.08 THz, leading to the system’s transformation from weak to strong coupling. …”
Get full text
Article -
247
A Generalized Approach for Computation of Near Field Radiation Pattern of an Antenna
Published 2014-01-01“…The simulation studies reveal that the depicted normalized phase patterns of both the circular waveguide and conical horn follow the changes in the profile of the corresponding amplitude patterns.…”
Get full text
Article -
248
A Wideband Feed Network for Vivaldi Antenna Arrays
Published 2022-01-01“…The proposed feed network consists of coplanar waveguide-to-slotline-to-microstrip line transitions. …”
Get full text
Article -
249
Bends in Non-Radiative Dielectric Guide
Published 1994-01-01“…Curved bends in NRD waveguides have been developed. Measured insertion losses of 90º and 180º bends in an NRD guide are reported. …”
Get full text
Article -
250
Моделювання відбивних властивостей гіперзвукових крилатих ракет
Published 2022-02-01“…Отримано характеристики вторинного випромінювання моделей двох гіперзвукових ракет – Х-47М2 “Кинджал” та X-51A Waverider – у різних частотних діапазонах опромінення для кількох товщин плазмового шару при русі на різних висотах польоту.…”
Get full text
Article -
251
Silicon photonic modulators with a 2 × 1 Fabry–Perot cavity
Published 2025-01-01“…Silicon photonics modulators based on a 2 × 1 Fabry–Perot (FP) cavity, which is circulator-free, are proposed and demonstrated by introducing two asymmetric multimode-waveguide grating (AMWG) reflectors and a short straight modulation section with interleaved PN junctions. …”
Get full text
Article -
252
RF Performance of Layer-Structured Broadband Passive Millimeter-Wave Imaging System
Published 2016-01-01“…This module is composed of a lens antenna and a detector module that consists of a detector circuit and a broadband microstrip-to-waveguide transition. The module forms a layer structure as a printed substrate with detector circuit is fixed between two metal plates with horn antennas and back-short waveguides. …”
Get full text
Article -
253
Nonreciprocal Synchronization of Active Quantum Spins
Published 2025-01-01“…We propose an implementation based on two atomic ensembles coupled via chiral waveguides featuring both braided and nonbraided geometries. …”
Get full text
Article -
254
An Improvement Approach for Wide-Angle Impedance Matching Using ELC Metasurface Slabs for SIW Slot Array Antennas
Published 2018-01-01“…Inserting metasurface slabs between two adjacent waveguides to reduce the mutual coupling can achieve impedance matching at large scan angles. …”
Get full text
Article -
255
A compact and Ultra-sensitive microfiber based interferometer sensor for precise electrical current detection
Published 2025-02-01“…As electrical current flows through the conductive material of carbon fiber, it generates a thermal effect, causing a temperature change around the waveguide structure and leading to a wavelength shift in the interferometer’s transmission spectrum. …”
Get full text
Article -
256
Wideband and High-Efficiency SIW Cavity-Backed Magneto-Electric Dipole Antenna Array
Published 2019-01-01“…In this paper, a compact, wideband, and high-efficiency substrate integrated waveguide (SIW) feeding cavity-backed aperture-coupled magneto-electric (ME) dipole antenna element and its array are proposed. …”
Get full text
Article -
257
A Novel an All-Optical Refractive Index Biosensor Based-on Glass Cylinder Cavity Resonance for Detection of Malaria-Infected Red Blood Cells
Published 2023-06-01“…The main function of the biosensor is based on the intensity of the signal transmitted from the input waveguide to the output waveguide. The higher the intensity of the received signal, the better for the person. …”
Get full text
Article -
258
Application of Temperature-Dependent Fluorescent Dyes to the Measurement of Millimeter Wave Absorption in Water Applied to Biomedical Experiments
Published 2014-01-01“…By using two different dyes with opposite temperature effects, local temperature increase in the capillary that is placed inside a rectangular waveguide in which millimeter waves propagate was defined. …”
Get full text
Article -
259
Mode-Dependent Loss Equalized Few-Mode Fiber Photonic Lantern
Published 2024-01-01“…Simulation has been carried out to investigate the dependence of DMA on the structure of the RI modified waveguide, and experiments have been implemented to investigate the dependence of DMA on discharge parameters, which matches well with the simulated tendency. …”
Get full text
Article -
260
A Distributed Energy-Throughput Efficient Cross-Layer Framework Using Hybrid Optimization Algorithm
Published 2025-01-01“…The solution, called DECMN (distributed energy-throughput efficient cross-layer network using MPNMRA), is designed to optimize the MI communication channels, MI relay coils (MI waveguide), and MI waveguide with 3D coils to fulfill quality of service (QoS) parameters, while achieving energy savings and throughput gains. …”
Get full text
Article