Results 11 to 20 of about 220,031 (271)
Datacab: a geographical‐information‐system‐based expert system for the design of cable networks [PDF]
, 2008 Telecommunication networks have evolved over time as a result of technological advances, and network topologies and equipment have become increasingly complex. Expert systems are being successfully applied to the management of telecommunication networks.
Denda, Robert +3 more
core +1 more source
Design and Characteristics of Diamond-Assisted Ring-Core Fiber for Space Division Multiplexing
Photonics, 2022 In this paper, a novel diamond-assisted ring-core fiber (DRF) is proposed. With the introduction of a low-refractive-index diamond-shaped region located in the center of the core, the proposed fiber effectively eliminates spatial degeneracy of the LPmn ...
Yujing Song +7 more
doaj +1 more source
IEEE Photonics Journal, 2017 A novel optical Fabry–Pérot interferometer (FPI) is proposed and experimentally demonstrated for multidimension microdisplacement sensing (MMS).
Chuanbiao Zhang +6 more
doaj +1 more source
IEEE Photonics Journal, 2019 Plasmonically induced transparency (PIT) in hexagon boron nitride (h-BN)–graphene–silica grating-based structure is proposed and demonstrated. By tuning the chemical potential of graphene and changing the geometry parameters of the proposed
Shen Ye +6 more
doaj +1 more source
Parity-time symmetry in parameter space of polarization
APL Photonics, 2021 Establishing parity-time (PT) symmetry in non-spatial space is a promising way to simplify the PT-symmetry system structure. In this paper, an implementation of PT symmetry in optical polarization space is reported.
Qi Ding +9 more
doaj +1 more source
Wavefront reconfigurable metasurface through graphene micro-ribbons with resonant strategy
Results in Physics, 2023 The majority of metasurfaces are static in their optical properties due to the principles of their construction. For the effect of wavefront reconfigurable, graphene provides the opportunity for adjustability via gate biasing.
Kai He +6 more
doaj +1 more source
IEEE Access, 2019 In this letter, a novel dual-beam and tri-band leaky-wave antenna (LWA) based on substrate integrated waveguide (SIW) structure is proposed, which has the capability of wide beam scanning range including broadside direction.
Yunjie Geng +5 more
doaj +1 more source
IEEE Access, 2020 In this paper, a smart antenna array based on the image-aware technique that can automatically switch its beam to track users is proposed. Mobilenet, a deep neural network (DNN), is utilized to find the users' position information from images; it is ...
Yuchen Ma +7 more
doaj +1 more source
Transverse Asymmetry of the Index Modulation Profile in Few-Mode Fiber Bragg Grating
Photonics, 2021 The transverse asymmetry of the index modulation profile in the asymmetric few-mode fiber Bragg grating (FM-FBG) was investigated. The transverse asymmetry of the index modulation profile will lead to mode conversion between modes with the different ...
Peihong Guan +6 more
doaj +1 more source
IEEE Photonics Journal, 2017 A tunable polarization beam splitter (PBS) is proposed based on a dual-core photonic crystal fiber (DCPCF). The DCPCF is filled with magnetic fluids in the air holes, whose refractive index varies with the magnetic field strength. The two polarized modes
Jianshuai Wang +6 more
doaj +1 more source