Results 21 to 30 of about 331,774 (318)
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
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
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
Ultra-Wideband WDM Optical Network Optimization
, 2020 Ultra-wideband wavelength division multiplexed networks enable operators to use more effectively the bandwidth offered by a single fiber pair and thus make significant savings, both in operational and capital expenditures.
Mateusz Żotkiewicz +2 more
core +1 more source
Indoor Pico-Cellular Network Operation based on a Simple Optical Millimetre-Wave Generation Scheme [PDF]
, 2010 Experimental demonstrations of modulated signal transmission and pico-cellular network operation at millimeter-wave frequencies, which are based on a simple technique for millimeter-wave generation using an optical phase modulator and optical filtering ...
Jeanne James +14 more
core +1 more source
QoS multicast tree construction in IP/DWDM optical internet by bio-inspired algorithms [PDF]
, 2010 Copyright @ Elsevier Ltd. All rights reserved.In this paper, two bio-inspired Quality of Service (QoS) multicast algorithms are proposed in IP over dense wavelength division multiplexing (DWDM) optical Internet.
Wang, X +14 more
core +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
Controlling and Monitoring Optical Network Equipment in Optical SDN Networks [PDF]
2020 European Conference on Optical Communications (ECOC), 2020 Grant numbers : AURORAS - Autonomic and disaggregated optical networks leveraging edge computing and photonic technologies (RTI2018-099178-B-I00).
Ricard Vilalta +6 more
openaire +2 more sources
A New Kind of Circular Polarization Leaky-Wave Antenna Based on Substrate Integrated Waveguide
International Journal of Antennas and Propagation, 2015 A new kind of circular polarization leaky-wave antenna with N-shaped slots cut in the upper side of substrate integrated waveguide (SIW) is investigated and presented.
Chong Zhang +4 more
doaj +1 more source
IEEE Photonics Journal, 2020 An image compression-encryption scheme utilizing the combination of fiber specklegram-based compressive sensing (CS) and double random phase encoding (DRPE) was demonstrated.
Yan Liu +7 more
doaj +1 more source