Paper
3 October 2019 Weighted average of the Gouy phase shift for paraxial surface plasmon polaritons packets in lossy media
R. Martínez-Herrero, J. Polo, V. Zamora, A. Manjavacas
Author Affiliations +
Proceedings Volume 11207, Fourth International Conference on Applications of Optics and Photonics; 112070B (2019) https://doi.org/10.1117/12.2526485
Event: IV International Conference on Applications of Optics and Photonics (AOP 2019), 2019, Lisbon, Portugal
Abstract
We establish and analyze a relationship connecting the derivative of the weighted average of the phase of a surface plasmon polariton (SPP) packet with the variation of its intensity. By exploiting the angular plane-wave spectrum formalism, under the paraxial approximation, we characterize the derivatives of the weighted averages of the total phase and Guoy phase shift for Hermite-Gaussian (HG) SPP packets and analyze their dependence on the main beam parameters.
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R. Martínez-Herrero, J. Polo, V. Zamora, and A. Manjavacas "Weighted average of the Gouy phase shift for paraxial surface plasmon polaritons packets in lossy media", Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112070B (3 October 2019); https://doi.org/10.1117/12.2526485
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KEYWORDS
Phase shifts

Paraxial approximations

Surface plasmon polaritons

Wave propagation

Metals

Physics

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