Finite element analysis for lossy optical waveguides by using perturbation techniques

C Themistos,B.M.A Rahman,K.T.V Grattan

doi:10.1109/68.281819

Finite element analysis for lossy optical waveguides by using perturbation techniques

C Themistos, B.M.A Rahman + Show 1 more

https://doi.org/10.1109/68.281819

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Journal: IEEE Photonics Technology Letters	Publication Date: Apr 1, 1994
Citations: 30

Affiliation: City, University of London

#Modal Gain #Variational Procedure + Show 8 more

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Abstract

A finite element analysis, based on the variational procedure, is used to find the modal loss or gain for both the TE and TM modes with the application of the perturbation technique. Results for the modal gain for the buried heterostructure diode laser are presented, as well as the loss estimation for both the TE and TM modes for the asymmetrical multilayer metal-clad planar optical waveguides. The results obtained agree very well, for a wide range of loss/gain values, with the previously published work using alternative approaches.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>

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