By Diana Martín Becerra
This thesis investigates the influence of the magnetic box on propagating floor plasmon polaritons (SPPs), or floor plasmons for brief. exceptionally, it specializes in utilizing the magnetic box as an exterior agent to change the houses of the SPPs, and for that reason attaining energetic units. floor plasmons are evanescent waves that come up at metal–dielectric interfaces. they are often strongly limited (beyond the sunshine diffraction limit), and supply a robust enhancement of the electromagnetic box on the interface. those waves have ended in the improvement of plasmonic circuitry, that is a key candidate as a substitute to digital circuitry and standard optical telecommunication units, because it is quicker than the previous and not more cumbersome than the latter.
Adopting either a theoretical and an experimental standpoint, the ebook analyzes the magnetic modulation in SPPs through an interferometer engraved in a multilayer combining Au and Co. during this interferometer, which acts like a modulator, the SPP magnetic modulation is studied intimately, as are the parameters that experience a correct influence on it, easy how one can increase it, its spectral dependence, and the hugely promising hazard of utilizing the program for biosensing. The thesis eventually arrives on the end that this system grants values of modulations just like different lively tools utilized in plasmonics.
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Extra info for Active Plasmonic Devices: Based on Magnetoplasmonic Nanostructures
Trans. R. Soc. Lond. 203, 385 (1904) 3. G. Mie, Ann. Phys. 25, 377 (1908) 4. A. Maier, Plasmonics: Fundamentals and Applications (Springer, Berlin, 2007) References 23 5. F. R. Huffman, Absorption and Scattering of Small Particles (Wiley-VCH, New York, 2004) 6. V. I. Smolyaninov, J. Opt. A Pure Appl. Opt. 5, 16–50 (2003) 7. H. Raether, Surface Plasmons (Springer, Berlin, 1986) 8. A. Sommerfeld, Annalen der Physic 67, 233–290 (1899) 9. J. Zenneck, Annalen der Physic 23, 846–866 (1907) 10. W. Wood, Philos.
001, respectively. So the example shown before is not a realistic result, and results using actual dielectric or metal ferromagnetic materials are similar. However, this helps us to illustrate the main aspects that concern the appropriate choice of materials for the modulation of the SPP wavevector. Some works have demonstrated SPP modulation by using Au/ferromagnetic dielectric interfaces [78, 86], but in this thesis we have chosen the ferromagnetic metal because it can be easily fabricated and the magnetic fields needed to achieve saturation are smaller.
F. R. Huffman, Absorption and Scattering of Small Particles (Wiley-VCH, New York, 2004) 6. V. I. Smolyaninov, J. Opt. A Pure Appl. Opt. 5, 16–50 (2003) 7. H. Raether, Surface Plasmons (Springer, Berlin, 1986) 8. A. Sommerfeld, Annalen der Physic 67, 233–290 (1899) 9. J. Zenneck, Annalen der Physic 23, 846–866 (1907) 10. W. Wood, Philos. Mag. 4, 396 (1902) 11. U. Fano, J. Opt. Soc. Am. 31, 213–222 (1941) 12. D. Pines, Rev. Mod. Phys. 28, 184–198 (1956) 13. H. Ritchie, Phys. Rev. 106, 874–881 (1957) 14.
Active Plasmonic Devices: Based on Magnetoplasmonic Nanostructures by Diana Martín Becerra