Abstract

We demonstrate that metallic electrodes symmetrically placed about a single mode dielectric waveguide can effectively polarize the mode by excitation of surface plasmons. The transmission through the metal electrode waveguide structure is examined as a function of mode polarization and electrode spacing. It is found that modes polarized perpendicular to the metal surface can resonantly excite surface plasmons, extinguishing the mode in the waveguide core, while modes polarized parallel to metal surface only suffer mode attenuation due to the presence of the metal. The phase matching conditions for excitation of surface plasmons are examined and the polarization and insertion loss of the transmitted mode is experimentally verified.

© 2005 Optical Society of America

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    [CrossRef]

Appl. Phys. Lett.

G. I. Stegeman, and J. J Burke, �??Long-range surface plasmons in electrode structures,�?? Appl. Phys. Lett. 43, 221, (1983).
[CrossRef]

B. Lamprecht, J. R. Krenn, G. Schider, H. Ditlbacher, M. Salerno, N. Felidj, A. Leitner, F. R. Aussenegg, and J. C. Weeber, �??Surface plasmon propagation in microscale metal stripes,�?? Appl. Phys. Lett. 79, 51 (2001).
[CrossRef]

T. Nikolajsen, K. Leosson, I. Salakhutdinov, S. I. Bozhevolnyi, �??Polymer-based surface-plasmon-polarition stripe waveguides at telecommunication wavelengths,�?? Appl. Phys. Lett. 82, 668 (2003).
[CrossRef]

IEEE J. Quantum Electron.

K. H. Rollke, W. Sohler, �??Metal-clad waveguide as cutoff polarizer for integrated optics,�?? IEEE J. Quantum Electron. QE-13, 141 (1977).
[CrossRef]

J. Lightwave Technol.

W. Johnstone, G. Stewart, T. Hart, B. Culshaw, �??Surface plasmon polaritons in thin metal films and their role in fiber optic polarizing devices,�?? J. Lightwave Technol. 8, 538 (1990).
[CrossRef]

Opt. Express

Phys. Rev. B

P. Berini, �??Plasmon-polariton waves guided by thin lossy metal films of finite width: Bound modes of symmetric structures,�?? Phys. Rev. B 61, 10848, (2000).

J. J. Burke, G. I. Stegeman, and T. Tamir, �??Surface �??polariton-like waves guided by thin, lossy metal films,�?? Phys. Rev. B 33, 5186 (1986).
[CrossRef]

Phys. Rev. Lett.

R. H. Ritchie, E.T. Arakawa, J. J. Cowan, and R. N. Hamm, �??Surface-plasmon resonance in grating diffraction,�?? Phys. Rev. Lett. 21, 1530 (1968).
[CrossRef]

Proc. SPIE

K. C. Cadien, M. Reshotoko, B. Block, A. Bowen, D. Kencke, and P. S. Davids, �??Challenges for on-chip optical interconnects,�?? in Proc. SPIE 5730, 133 (2005).

Other

B. E. A. Saleh, and M. C. Teich, Fundamentals of Photonics, (John Wiley & Sons, 1991).

A. Taflove, Computational Electromagnetics, (Artech, Boston, 1995).

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