Theoretical analysis of optimum adiabatic tapering length and pulse shape modulation along tapered multimode fiber

In this paper, Helmholtz equation for large core tapered fiber has been solved by using beam propagation method. The evolution of Gaussian input field, electric field and electric power at different linear tapering length have been studied. As an importance of adiabatic optical field transmission al...

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Bibliographic Details
Published in:Optik (Stuttgart) 2016-07, Vol.127 (14), p.5663-5669
Main Authors: Azari, Amin, Bananej, Alireza, Belgabad, Aydin Ashrafi
Format: Article
Language:English
Subjects:
Adiabatic flow
Adiabatic tapering
Beams (radiation)
Electric fields
Evolution
Fibers
Gaussian
Modulation
Pulse shape
Tapered fiber
Tapering
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Summary:In this paper, Helmholtz equation for large core tapered fiber has been solved by using beam propagation method. The evolution of Gaussian input field, electric field and electric power at different linear tapering length have been studied. As an importance of adiabatic optical field transmission along tapered length, minimum tapering length has been obtained for this great task. Also, because of importance of transverse electric field distribution at the output of the tapered segment, the minimum tapering length for this purpose has been obtained.
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2016.03.086