Results 21 to 30 of about 192,692 (316)
IEEE Photonics Journal, 2021 We experimentally demonstrated a photoelectric nonlinear compensation scheme of optical phase conjugation (OPC) with complex-valued deep neural network (CVDNN) to mitigate fiber nonlinearity in wavelength division multiplexing (WDM) 64-QAM coherent ...
Lei Wang +4 more
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Weighted Inter-frame Averaging-Based Channel Estimation for CO-OFDM System
IEEE Photonics Journal, 2013 We propose an efficient channel estimation method for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) based on weighted inter-frame averaging (WIFA), in which the channel estimation results of the adjacent frames are averaged to ...
Hui Zhao +7 more
doaj +1 more source
IEEE Photonics Journal, 2021 Increasing the threshold of stimulated Brillouin scattering (SBS) by frequency and phase modulation is a productive approach to suppress SBS in optical fiber communications.
Peng Lei +6 more
doaj +1 more source
Optical Free-Space Communication on Earth and in Space regarding Quantum Cryptography Aspects [PDF]
, 2010 Mobile FSO Communication links have gained signi cant at- tention over the last years due to their increasing maturity. They are used in point to point link scenarios where the high gain in power efficiency and datarate is crucial, compared to state-of ...
Fuchs, Christian +3 more
core +1 more source
Experimental Demonstration of 1.2-Tb/s Optical PDM SCFDM Superchannel Multicasting by HNLF
IEEE Photonics Journal, 2013 Threefold 1.2-Tb/s optical polarization-division-multiplexing (PDM) single-carrier frequency-division-multiplexing (SCFDM) and orthogonal-frequency-division-multiplexing (OFDM) superchannel multicasting, utilizing multiple-pump four-wave mixing (FWM) by ...
Yuanxiang Chen +5 more
doaj +1 more source
Optimizing Equivalent Circuit Model Parameters of DFB Lasers With RSM Model and NSGA-II Algorithm
IEEE Photonics Journal, 2022 The parameters group of the distributed feedback (DFB) laser equivalent circuit model based on the single-mode rate equations is the key to precisely presenting DFB response characteristics, so a novel optimization solution based on the response surface ...
Qing-an Ding +9 more
doaj +1 more source
Optimisation of Lambertian order for indoor non-directed optical wireless communication [PDF]
, 2012 This paper studies the optimised Lambertian order (OLO) of light-emitting diodes (LEDs) for an indoor non-directed line of sight optical wireless communication (NLOS-OWC) systems.
Ghassemlooy, Zabih +11 more
core +1 more source
Results in Physics, 2022 Metal-backed materials establish the bridge linking traveling and surface waves for beam manipulation. Based on S-parameters, extracting the constitutive effective parameters (CEPs) is significant for characterizing their electromagnetic (EM) properties.
Feng-Yuan Han +8 more
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Prediction Algorithm of Key Design Parameters for Space Chaotic Optical Communication System
IEEE Photonics Journal, 2020 Space laser optical communication has been widely investigated to achieve high bit rate information transmission. To enhance the information transmission security in space laser optical communication, chaos-based encryption scheme is adopted. It involves
Mi Li +4 more
doaj +1 more source
SDM-WDM ROADM Based on Direct-Laser-Writing SDM Core Separator
IEEE Photonics Journal, 2022 Weakly-coupled space division multiplexing (SDM) techniques based on multi-core fibers (MCF) have attracted great attention for the capacity enhancement of optical interconnect systems and networks. In this paper, we propose a novel direct-laser-writing (
Yu Yang +8 more
doaj +1 more source