Investigation of space division multiplexing in multimode step-index silica photonic crystal fibers

The feasible distance is presented for space division multiplexed (SDM) transmission along multimode silica step-index photonic crystal fiber (SI PCF) by solving the time-independent power flow equation (TI PFE). These distances for two and three spatially multiplexed channels were determined to dep...

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Main Authors: Svetislav Savović, Konstantinos Aidinis, Alexandar Djordjevich, Rui Min
Format: Article
Language:English
Published: Elsevier 2023-05-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S240584402303089X
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author Svetislav Savović
Konstantinos Aidinis
Alexandar Djordjevich
Rui Min
author_facet Svetislav Savović
Konstantinos Aidinis
Alexandar Djordjevich
Rui Min
author_sort Svetislav Savović
collection DOAJ
description The feasible distance is presented for space division multiplexed (SDM) transmission along multimode silica step-index photonic crystal fiber (SI PCF) by solving the time-independent power flow equation (TI PFE). These distances for two and three spatially multiplexed channels were determined to depend on mode coupling, fiber structural parameters, and launch beam width in order to keep crosstalk in two- and three-channel modulation to a maximum of 20% of the peak signal strength. We found that the length of the fiber at which an SDM can be realized increases with the size of the air-holes in the cladding (higher NA). When a wide launch excites more guiding modes, these lengths become shorter. Such knowledge is valuable for the use of multimode silica SI PCFs in communications.
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spelling doaj.art-85e465694edb40ab99dc8365a1c32f772023-05-31T04:45:52ZengElsevierHeliyon2405-84402023-05-0195e15882Investigation of space division multiplexing in multimode step-index silica photonic crystal fibersSvetislav Savović0Konstantinos Aidinis1Alexandar Djordjevich2Rui Min3University of Kragujevac, Faculty of Science, R. Domanovića 12, 34000 Kragujevac, SerbiaDepartment of Electrical Engineering, Ajman University, P.O. Box 346, Ajman, United Arab Emirates; Center of Medical and Bio-allied Health Sciences Research, Ajman University, P. O. Box 346, Ajman, United Arab EmiratesCity University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, ChinaCenter for Cognition and Neuroergonomics, State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Zhuhai 519087, China; Corresponding author.The feasible distance is presented for space division multiplexed (SDM) transmission along multimode silica step-index photonic crystal fiber (SI PCF) by solving the time-independent power flow equation (TI PFE). These distances for two and three spatially multiplexed channels were determined to depend on mode coupling, fiber structural parameters, and launch beam width in order to keep crosstalk in two- and three-channel modulation to a maximum of 20% of the peak signal strength. We found that the length of the fiber at which an SDM can be realized increases with the size of the air-holes in the cladding (higher NA). When a wide launch excites more guiding modes, these lengths become shorter. Such knowledge is valuable for the use of multimode silica SI PCFs in communications.http://www.sciencedirect.com/science/article/pii/S240584402303089XPhotonic crystal fiberSpace division multiplexingPower flow equation
spellingShingle Svetislav Savović
Konstantinos Aidinis
Alexandar Djordjevich
Rui Min
Investigation of space division multiplexing in multimode step-index silica photonic crystal fibers
Heliyon
Photonic crystal fiber
Space division multiplexing
Power flow equation
title Investigation of space division multiplexing in multimode step-index silica photonic crystal fibers
title_full Investigation of space division multiplexing in multimode step-index silica photonic crystal fibers
title_fullStr Investigation of space division multiplexing in multimode step-index silica photonic crystal fibers
title_full_unstemmed Investigation of space division multiplexing in multimode step-index silica photonic crystal fibers
title_short Investigation of space division multiplexing in multimode step-index silica photonic crystal fibers
title_sort investigation of space division multiplexing in multimode step index silica photonic crystal fibers
topic Photonic crystal fiber
Space division multiplexing
Power flow equation
url http://www.sciencedirect.com/science/article/pii/S240584402303089X
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AT alexandardjordjevich investigationofspacedivisionmultiplexinginmultimodestepindexsilicaphotoniccrystalfibers
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