By Diana Martín Becerra
This thesis investigates the impression of the magnetic box on propagating floor plasmon polaritons (SPPs), or floor plasmons for brief. especially, it makes a speciality of utilizing the magnetic box as an exterior agent to switch the homes of the SPPs, and accordingly attaining lively units. floor plasmons are evanescent waves that come up at metal–dielectric interfaces. they are often strongly restrained (beyond the sunshine diffraction limit), and supply a powerful enhancement of the electromagnetic box on the interface. those waves have ended in the improvement of plasmonic circuitry, that's a key candidate in its place to digital circuitry and conventional optical telecommunication units, because it is quicker than the previous and not more cumbersome than the latter.
Adopting either a theoretical and an experimental perspective, the e-book analyzes the magnetic modulation in SPPs by way of 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 suitable influence on it, uncomplicated how you can increase it, its spectral dependence, and the hugely promising probability of utilizing the program for biosensing. The thesis eventually arrives on the end that this technique provides values of modulations just like different lively equipment utilized in plasmonics.
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Additional info for Active Plasmonic Devices: Based on Magnetoplasmonic Nanostructures
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11 Extracted from Temnov et al.  Evolution of the magnetic modulation of the SPP wavevector as a function of the position of the Co layer for a Au/Co/Au trilayer. It shows an exponential decay with a penetration depth of 13 nm MO constants and its relatively low saturation magnetic field. The Co layer thickness is of 6 nm, so the “thin layer approximation” can be applied . The position of the Co layer is varied from 5 to 45 nm. , by means of plasmonic interferometry (which will be explained in detail in the next chapter) have calculated the modulation of the SPP wavevector k x under an applied magnetic field.
Active Plasmonic Devices: Based on Magnetoplasmonic Nanostructures by Diana Martín Becerra