Analysis of the self-imaging effect in plasmonic multimode waveguides
Applied Optics, Vol. 49, Issue 7, pp. A1-A10 doi:10.1364/AO.49.0000A1
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- OCIS Codes:
- (050.1960) Diffraction and gratings : Diffraction theory
- (070.6760) Fourier optics and signal processing : Talbot and self-imaging effects
- (130.2790) Integrated optics : Guided waves
- (130.3120) Integrated optics : Integrated optics devices
- (230.7370) Optical devices : Waveguides
- (240.6680) Optics at surfaces : Surface plasmons
Citation
André G. Edelmann, Stefan F. Helfert, and Jürgen Jahns, "Analysis of the self-imaging effect in plasmonic multimode waveguides," Appl. Opt. 49, A1-A10 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-7-A1
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We present studies on the propagation of plasmon waves in metallic multimode waveguides surrounded by a dielectric medium. The permittivity of the metal was determined by a Drude model. The propagation was simulated by the method of lines. The propagating field exhibited the well-known self-imaging phenomenon known as the Talbot effect. The metallic waveguides are lossy. The influence of various parameters on the losses was examined. By a suitable choice of parameters, propagation distances of several Talbot periods are possible. Our investigation also includes simulations for the propagation of eigenmodes of the waveguides and results for the calculation of the effective index.
© 2010 Optical Society of America
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History
Original Manuscript: July 16, 2009
Manuscript Accepted: October 2, 2009
Revised Manuscript: September 28, 2009
Published: October 29, 2009
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Author Affiliations
FernUniversität in Hagen
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