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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 15 — Aug. 1, 1999
  • pp: 1011–1013

Plasmon polariton modes guided by a metal film of finite width

Pierre Berini  »View Author Affiliations


Optics Letters, Vol. 24, Issue 15, pp. 1011-1013 (1999)
http://dx.doi.org/10.1364/OL.24.001011


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Abstract

The properties of purely bound plasmon–polariton modes guided by a symmetric thin metal film of finite width are described for what is believed to be the first time, and a suitable mode nomenclature for identifying them is proposed. The dispersion characteristics of the modes as a function of film thickness are presented. It has been found that long-range plasmon–polariton modes exist in a symmetric film structure and that one of them may be suitable for optical signal transmission.

© 1999 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(240.0310) Optics at surfaces : Thin films
(240.5420) Optics at surfaces : Polaritons
(240.6680) Optics at surfaces : Surface plasmons
(260.2110) Physical optics : Electromagnetic optics

Citation
Pierre Berini, "Plasmon polariton modes guided by a metal film of finite width," Opt. Lett. 24, 1011-1013 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-15-1011


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References

  1. J. J. Burke, G. I. Stegeman, and T. Tamir, Phys. Rev. B 33, 5186 (1986).
  2. W. Johnstone, G. Stewart, T. Hart, and B. Culshaw, J. Lightwave Technol. 8, 538 (1990).
  3. L. Wendler and R. Haupt, J. Appl. Phys. 59, 3289 (1986).
  4. R. Pregla and W. Pascher, in Numerical Techniques for Microwave and Millimeter-Wave Passive Structures, T. Itoh, ed. (Wiley Interscience, New York, 1989), p. 381.
  5. P. Berini, A. Stöhr, K. Wu, and D. Jäger, J. Lightwave Technol. 14, 2422 (1996).
  6. Since a single metal–dielectric interface can support a plasmon–polariton mode, so should an isolated corner. Furthermore, the phase and attenuation constants of such a mode should be greater than those of a mode guided by an interface, since fields penetrate more deeply into the metal near the corner to couple the perpendicular edges.

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