Results 21 to 30 of about 46,370 (239)

Reciprocal Inverse Graded Index Fiber (R-IGIF) for OAM-SDM Networks

open access: yesIEEE Photonics Journal, 2022
In this article, we propose, design, and numerically assess a novel parametric refractive index profile for optical fiber, which we refer to as reciprocal-inverse graded index fiber (R-IGIF).
Alaaeddine Rjeb   +5 more
doaj   +1 more source

Low-DMGD, Large-Effective-Area and Low-Bending-Loss 12-LP-Mode Fiber for Mode-Division-Multiplexing

open access: yesIEEE Photonics Journal, 2019
We report the design of 12-LP-mode (21-spatial-mode) fiber with a low differential mode group delay (DMGD), a large effective area, and a low bending loss that is adapted to a mode-division-multiplexing system over the C+L band.
Huan Zhang   +4 more
doaj   +1 more source

Observing mode-dependent wavelength-to-time mapping in few-mode fibers using a single-photon detector array

open access: yesAPL Photonics, 2020
Wavelength-to-time mapping (WTM)—stretching ultrashort optical pulses in a dispersive medium such that the instantaneous frequency becomes time-dependent—is usually performed using a single-mode fiber.
Harikumar K. Chandrasekharan   +6 more
doaj   +1 more source

مراقبة تشتت نمط الاستقطاب PMD من خلال قياس مطال النبضات الناتجة عن جمع مركبتي الاستقطاب المتعامدتين

open access: yesمجلة جامعة دمشق للعلوم الهندسية, 2021
في هذا البحث تم اقتراح تقنية جديدة لمراقبة تشتت نمط الاستقطاب polarization mode dispersion (PMD) في شبكات الألياف الضوئية. تعتمد التقنية على تحويل مركبتي الاستقطاب المتعامدتين للإشارة الضوئية المراقبة إلى نفس حالة الاستقطاب ومن ثم يتم جمعهما معاً بفرق ...
د. حيدرا عبد الرحمن عبد الله
doaj  

Proposed Raised Cosine FMF for Dispersion Management in Next-Generation Optical Networks

open access: yesIEEE Photonics Journal, 2016
Spatial mode-division multiplexing (MDM) that exploits the emerging few-mode fiber (FMF) technology is one potential candidate for next-generation petabyte optical communication links.
Saleh Chebaane   +3 more
doaj   +1 more source

The Role of “Adult‐Onset” Cancer Predisposition Genes in Pediatric Cancer: A Comprehensive Review

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Current literature estimates that 10% of pediatric cancers are caused by pathogenic or likely pathogenic (P/LP) germline variants in cancer predisposition genes (CPGs). Variants in CPGs thought to increase cancer risk exclusively during adulthood are referred to as “adult‐onset” CPGs (aoCPGs).
Maria Rozo   +5 more
wiley   +1 more source

Theoretical analyses on orbital angular momentum modes in conventional graded-index multimode fibre

open access: yesScientific Reports, 2017
Orbital angular momentum (OAM) modes are another mode basis to represent spatial modes. There have been increasing interests in exploiting OAM modes in specialty fibres.
Shi Chen, Jian Wang
doaj   +1 more source

A Variable Step-Size Unconstrained Adaptive FD-LMS Algorithm for MDM Transmission

open access: yesIEEE Photonics Journal, 2018
Mode-division multiplexing (MDM) over few-mode fibers has been proposed to break through the Shannon limit of the single-mode fiber. Mode coupling and differential mode group delay are two major drawbacks, which limit the performance of the system.
Guijun Hu, Chengbin Huang
doaj   +1 more source

Health Literacy, Self‐Efficacy and Knowledge of Sickle Cell Disease Among Caregivers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Sickle cell disease (SCD) is a hereditary blood disorder in which abnormal haemoglobin leads to severe anaemia, painful crises and organ failure. Caregivers’ health literacy (HL) – their ability to assess, understand and apply information, and interact with healthcare professionals – is crucial for managing children with SCD, yet ...
Melanie Bruinooge   +6 more
wiley   +1 more source

Ironic Medications: A Narrative‐Based Psycho‐Educational Intervention to Explore Patient–Provider Communication in Adolescents With Haematological Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Adolescents with haematological malignancies face significant emotional and relational challenges, often accompanied by difficulties in communicating their needs within the healthcare context. To address these issues, a narrative‐based psycho‐educational intervention based on the creation and prescription of Ironic Medications was ...
Marta Stoppa   +7 more
wiley   +1 more source

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