Semi-implicit FDTD TW scheme for modelling effective surface plasmons

Semi-implicit FDTD TW scheme for modelling effective surface plasmons

For access to this article, please select a purchase option:

Buy article PDF
(plus tax if applicable)
Buy Knowledge Pack
10 articles for £75.00
(plus taxes if applicable)

IET members benefit from discounts to all IET publications and free access to E&T Magazine. If you are an IET member, log in to your account and the discounts will automatically be applied.

Learn more about IET membership 

Recommend Title Publication to library

You must fill out fields marked with: *

Librarian details
Your details
Why are you recommending this title?
Select reason:
Electronics Letters — Recommend this title to your library

Thank you

Your recommendation has been sent to your librarian.

A semi-implicit finite-difference time-domain thin-wire (TW) scheme with a relaxed stability condition is proposed for modelling effective surface plasmons in waveguide metamaterials. Its formulation is based on introducing the Newmark-Beta method into the TW formulation based on the contour-path integral of Maxwell's equations around a wire. The resultant scheme is magnetically implicit. Its stability, accuracy and efficiency are assessed in the application to a wire-added parallel-plate waveguide perturbed with a small gap.


    1. 1)
      • 1. Prudêncio, F.R., Costa, J.R., Fernandes, C.A., et al: ‘Experimental verification of ‘waveguide’ plasmonics’, New J. Phys., 2017, 19, (123017), pp. 18.
    2. 2)
    3. 3)
    4. 4)
      • 4. Taflove, A., Hagness, S.: ‘Computational electrodynamics’ (Artech House, Norwood, MA, USA, 2005, 3rd edn.).
    5. 5)
      • 5. Newmark, N.M.: ‘A method of computation for structural dynamics’, J. Eng. Mech. Div., ASCE, 1954, 85, (3), pp. 6794.
    6. 6)
    7. 7)
    8. 8)
    9. 9)
      • 9. Hockney, R.W., Jesshopoe, C.R.: ‘Parallel computers 2: architecture programming and algorithms’ (IOP Publishing Ltd., Bristol BS1 6NX, England, 1988, 2nd edn.).

Related content

This is a required field
Please enter a valid email address