Abstract

What are believed to be the first experimental observations of the existence of long-range plasmon–polariton waves, guided by a thin metal film of finite width, are presented. A waveguide composed of an 8-µm-wide, 20-nm-thick, 3.5-mm-long Au metal film embedded in SiO2 was successfully excited at a free-space wavelength of 1.55 µm in an end-fire experiment. The theoretical nature of the phenomenon is described, and experimental observations of field confinement provided by this metal waveguide are presented in detail.

© 2000 Optical Society of America

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References

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  1. J. J. Burke, G. I. Stegeman, and T. Tamir, Phys. Rev. B 33, 5186 (1986).
    [CrossRef]
  2. V. M. Agranovich and D. L. Mills, Surface Polaritons (North-Holland, New York, 1982), Chaps. 1–3.
  3. A. D. Boardman, Electromagnetic Surface Modes (Wiley, New York, 1982), Chaps. 1, 4, 5, and 14.
  4. E. N. Economou, Phys. Rev. 182, 539 (1969).
    [CrossRef]
  5. H. Dohi, Y. Kuwamura, M. Fukui, and O. Tada, J. Phys. Soc. Jpn. 53, 2828 (1984).
    [CrossRef]
  6. G. I. Stegeman, R. F. Wallis, and A. A. Maradudin, Opt. Lett. 8, 386 (1983).
    [CrossRef] [PubMed]
  7. P. Berini, Opt. Lett. 24, 1011 (1999).
    [CrossRef]
  8. P. Berini, Phys. Rev. B 61, 10484 (2000).
    [CrossRef]
  9. E. D. Palik, Handbook of Optical Constants and Solids (Academic, Orlando, Fla., 1985).

2000

P. Berini, Phys. Rev. B 61, 10484 (2000).
[CrossRef]

1999

1986

J. J. Burke, G. I. Stegeman, and T. Tamir, Phys. Rev. B 33, 5186 (1986).
[CrossRef]

1984

H. Dohi, Y. Kuwamura, M. Fukui, and O. Tada, J. Phys. Soc. Jpn. 53, 2828 (1984).
[CrossRef]

1983

1969

E. N. Economou, Phys. Rev. 182, 539 (1969).
[CrossRef]

Agranovich, V. M.

V. M. Agranovich and D. L. Mills, Surface Polaritons (North-Holland, New York, 1982), Chaps. 1–3.

Berini, P.

P. Berini, Phys. Rev. B 61, 10484 (2000).
[CrossRef]

P. Berini, Opt. Lett. 24, 1011 (1999).
[CrossRef]

Boardman, A. D.

A. D. Boardman, Electromagnetic Surface Modes (Wiley, New York, 1982), Chaps. 1, 4, 5, and 14.

Burke, J. J.

J. J. Burke, G. I. Stegeman, and T. Tamir, Phys. Rev. B 33, 5186 (1986).
[CrossRef]

Dohi, H.

H. Dohi, Y. Kuwamura, M. Fukui, and O. Tada, J. Phys. Soc. Jpn. 53, 2828 (1984).
[CrossRef]

Economou, E. N.

E. N. Economou, Phys. Rev. 182, 539 (1969).
[CrossRef]

Fukui, M.

H. Dohi, Y. Kuwamura, M. Fukui, and O. Tada, J. Phys. Soc. Jpn. 53, 2828 (1984).
[CrossRef]

Kuwamura, Y.

H. Dohi, Y. Kuwamura, M. Fukui, and O. Tada, J. Phys. Soc. Jpn. 53, 2828 (1984).
[CrossRef]

Maradudin, A. A.

Mills, D. L.

V. M. Agranovich and D. L. Mills, Surface Polaritons (North-Holland, New York, 1982), Chaps. 1–3.

Palik, E. D.

E. D. Palik, Handbook of Optical Constants and Solids (Academic, Orlando, Fla., 1985).

Stegeman, G. I.

J. J. Burke, G. I. Stegeman, and T. Tamir, Phys. Rev. B 33, 5186 (1986).
[CrossRef]

G. I. Stegeman, R. F. Wallis, and A. A. Maradudin, Opt. Lett. 8, 386 (1983).
[CrossRef] [PubMed]

Tada, O.

H. Dohi, Y. Kuwamura, M. Fukui, and O. Tada, J. Phys. Soc. Jpn. 53, 2828 (1984).
[CrossRef]

Tamir, T.

J. J. Burke, G. I. Stegeman, and T. Tamir, Phys. Rev. B 33, 5186 (1986).
[CrossRef]

Wallis, R. F.

J. Phys. Soc. Jpn.

H. Dohi, Y. Kuwamura, M. Fukui, and O. Tada, J. Phys. Soc. Jpn. 53, 2828 (1984).
[CrossRef]

Opt. Lett.

Phys. Rev.

E. N. Economou, Phys. Rev. 182, 539 (1969).
[CrossRef]

Phys. Rev. B

J. J. Burke, G. I. Stegeman, and T. Tamir, Phys. Rev. B 33, 5186 (1986).
[CrossRef]

P. Berini, Phys. Rev. B 61, 10484 (2000).
[CrossRef]

Other

E. D. Palik, Handbook of Optical Constants and Solids (Academic, Orlando, Fla., 1985).

V. M. Agranovich and D. L. Mills, Surface Polaritons (North-Holland, New York, 1982), Chaps. 1–3.

A. D. Boardman, Electromagnetic Surface Modes (Wiley, New York, 1982), Chaps. 1, 4, 5, and 14.

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Figures (3)

Fig. 1
Fig. 1

Dispersion characteristics of the first two modes (s sb0 and s ab0) supported by a Au film of width w=8 µm embedded in an infinite background of SiO2. The dispersion curves of the sb and ab modes supported by the infinitely wide structure are shown for comparison. Values of r,1=2.085 and r,2=-131.9475-j12.65 were used for the SiO2 and Au regions, respectively. The analysis was conducted at a free-space wavelength of 1.55 µm.

Fig. 2
Fig. 2

Sequence of images of the output of an 8-µm-wide, 20-nm-thick, 3.5-mm-long Au waveguide for the indicated angles of incident polarization. A 0° angle corresponds to alignment of the electric field vector along the y axis of the waveguide structure—see Fig. 1. The aligned vertical arrows identify the location of the waveguide. The measurements were performed at a free-space wavelength of 1.55 µm.

Fig. 3
Fig. 3

Effect of polarization on the power transmitted through an 8-µm-wide, 20-nm-thick, 3.5-mm-long Au waveguide. A 0° angle corresponds to alignment of the electric field vector along the y axis of the waveguide structure—see Fig. 1. The measurements are performed at a free-space wavelength of 1.55 µm.

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