Results 41 to 50 of about 13,934 (209)

Mode-division-multiplexing of multiple Bessel-Gaussian beams carrying orbital-angular-momentum for obstruction-tolerant free-space optical and millimetre-wave communication links [PDF]

open access: yes, 2016
We experimentally investigate the potential of using ‘self-healing’ Bessel-Gaussian beams carrying orbital-angular-momentum to overcome limitations in obstructed free-space optical and 28-GHz millimetre-wave communication links. We multiplex and transmit
Ahmed, Nisar   +15 more
core   +1 more source

Optimal power allocation in nonlinear MDM‐WDM systems using Gaussian noise model

open access: yesIET Optoelectronics, 2022
Mode‐division multiplexing (MDM) using few‐mode fibre (FMF) has received increasing attention to address the exponential growth of data traffic in long‐haul optical communication systems. Also, combining the MDM with wavelength‐division multiplexing (WDM)
Mohammad Ali Amirabadi   +3 more
doaj   +1 more source

Seven-Ring-Core Erbium-Doped Fiber for OAM-MDM Amplification

open access: yesIEEE Photonics Journal, 2023
Orbital angular momentum (OAM) mode division multiplexing (MDM) amplification in a seven-ring-core erbium-doped fiber (7-RC-EDF) has been experimentally demonstrated, in which the 1st–4th order OAM modes within each core of the 7-RC-EDF can be ...
Qi Jiang   +8 more
doaj   +1 more source

Low-complexity implementation of convex optimization-based phase retrieval

open access: yes, 2018
Phase retrieval has important applications in optical imaging, communications and sensing. Lifting the dimensionality of the problem allows phase retrieval to be approximated as a convex optimization problem in a higher-dimensional space.
Arik, Sercan O., Kahn, Joseph M.
core   +1 more source

40 Gb/s Mode-Division Multiplexed DD-OFDM Transmission Over Standard Multi-Mode Fiber

open access: yesIEEE Photonics Journal, 2016
A 40 Gb/s mode-division multiplexed (MDM) direct detection optical frequency-division multiplexing signal transmission over standard multimode OM3 fiber (MMF) has been demonstrated in this paper.
Jiawei Luo   +4 more
doaj   +1 more source

Silicon Integrated Nanophotonic Devices for On-Chip Multi-Mode Interconnects

open access: yesApplied Sciences, 2020
Mode-division multiplexing (MDM) technology has drawn tremendous attention for its ability to expand the link capacity within a single-wavelength carrier, paving the way for large-scale on-chip data communications.
Hongnan Xu, Daoxin Dai, Yaocheng Shi
doaj   +1 more source

A review of higher-order mode pass filtering techniques

open access: yesHeliyon, 2022
Mode Division Multiplexing (MDM) is regarded as a promising technology to overcome the bottleneck of the future demand for high data transmission rates.
Prapty Saha   +2 more
doaj   +1 more source

Silicon-Based-Chip Multiplexing Technologies and Devices

open access: yesDianxin kexue, 2015
As the demands of the data communications increase quickly for the applications of cloud-computing as well as data centers,optical interconnects have been very attractive because of the unique advantages on the aspects of low power consumption,high speed
Daoxin Dai, Jian Wang, Sitao Chen
doaj   +2 more sources

Broadband On-Chip Mode-Division Multiplexer Based on Adiabatic Couplers and Symmetric Y-Junction

open access: yesIEEE Photonics Journal, 2017
The mode-division multiplexer/demultiplexer (MMUX/DeMMUX) is the crucial component for the implementation of mode-division multiplexing (MDM) transmission.
Zhenrong Zhang, Yu Yu, Songnian Fu
doaj   +1 more source

Loss of SOCS1 in Donor T Cells Exacerbates Intestinal GVHD by Driving a Chemokine‐Dependent Pro‐Inflammatory Immune Microenvironment

open access: yesAdvanced Science, Volume 13, Issue 18, 27 March 2026.
T cell‐specific Socs1 knockout leads to inflammatory differentiation of CD8+ T cells, prompting the STAT1/2 complex to drive the activation of Ccl5, Ccr5, and Cxcr3, and promoting the skewing of monocytes toward a pro‐inflammatory M1 macrophage lineage.
Zhigui Wu   +14 more
wiley   +1 more source

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