Method for calculating coupling coefficient in W-type multimode optical fibers

S Savovic; A Djordjevich

doi:10.1088/1555-6611/abf094

Method for calculating coupling coefficient in W-type multimode optical fibers

S Savovic^*
, A Djordjevich^*

^*Corresponding author for this work

Department of Mechanical Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

3 Citations (Scopus)

Abstract

A simple method is proposed for determining the mode coupling coefficient D in W-type (double clad) multimode optical fibers. It only requires the observation of the far-field output pattern for one fiber length with the input light launched centrally along the fiber axis (θ₀ = 0). For illustration, the coupling coefficient determined by this simple method for a W-type multimode glass optical fiber was used to calculate the coupling length L_c at which the equilibrium mode distribution is achieved.

Original language	English
Article number	055102
Journal	Laser Physics
Volume	31
Issue number	5
Online published	20 Apr 2021
DOIs	https://doi.org/10.1088/1555-6611/abf094
Publication status	Published - May 2021

Bibliographical note

Full text of this publication does not contain sufficient affiliation information. With consent from the author(s) concerned, the Research Unit(s) information for this record is based on the existing academic department affiliation of the author(s).

Research Keywords

mode coupling
coupling length
power flow equation
W-type optical fibers

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title = "Method for calculating coupling coefficient in W-type multimode optical fibers",

abstract = "A simple method is proposed for determining the mode coupling coefficient D in W-type (double clad) multimode optical fibers. It only requires the observation of the far-field output pattern for one fiber length with the input light launched centrally along the fiber axis (θ0 = 0). For illustration, the coupling coefficient determined by this simple method for a W-type multimode glass optical fiber was used to calculate the coupling length Lc at which the equilibrium mode distribution is achieved.",

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AU - Djordjevich, A

N1 - Full text of this publication does not contain sufficient affiliation information. With consent from the author(s) concerned, the Research Unit(s) information for this record is based on the existing academic department affiliation of the author(s).

PY - 2021/5

Y1 - 2021/5

N2 - A simple method is proposed for determining the mode coupling coefficient D in W-type (double clad) multimode optical fibers. It only requires the observation of the far-field output pattern for one fiber length with the input light launched centrally along the fiber axis (θ0 = 0). For illustration, the coupling coefficient determined by this simple method for a W-type multimode glass optical fiber was used to calculate the coupling length Lc at which the equilibrium mode distribution is achieved.

AB - A simple method is proposed for determining the mode coupling coefficient D in W-type (double clad) multimode optical fibers. It only requires the observation of the far-field output pattern for one fiber length with the input light launched centrally along the fiber axis (θ0 = 0). For illustration, the coupling coefficient determined by this simple method for a W-type multimode glass optical fiber was used to calculate the coupling length Lc at which the equilibrium mode distribution is achieved.

KW - mode coupling

KW - coupling length

KW - power flow equation

KW - W-type optical fibers

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DO - 10.1088/1555-6611/abf094

M3 - RGC 21 - Publication in refereed journal

SN - 1054-660X

VL - 31

JO - Laser Physics

JF - Laser Physics

IS - 5

M1 - 055102

ER -

Method for calculating coupling coefficient in W-type multimode optical fibers

Abstract

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