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Mid-infrared range is of great interest due to atmosphere transparency window and possibility to generate high power radiation with high-efficiency emitters such as CO2 laser operating at 10.6 µm. We propose a mechanism to enhance the acousto-optical modulation efficiency at 10.6µm wavelength utilizing multilayered structures. Several types of structures providing excitation of Fabry-Perot and plasmon-polariton modes, phonon-polariton modes and waveguide modes are analyzed.

The excitation of propagating modes in nanostructured materials is well known to enhance the magnetooptical effects. We propose a novel iron-garnet meta-surface structure and study experimentally the multifold increase of magnetooptical effects in it due to excitation of optical surface waveguide modes. Magnetic meta-surface is fabricated as magnetophotonic crystals with 1D periodicity achieved by etching of 300-nm thick bismuth-substituted iron-garnet film.

We present a novel type of magnetoplasmonic heterostructures containing one-dimensional photonic crystals.

We present the results of experimental investigations of the ultralong-range propagating magnetoplasmons in the specially designed heterostructure. The propagation distance of the surface plasmon increases up to 35 µm due to the inclusion of the photonic crystal in the structure and at the same time it can be effectively controlled by the magnetic field of 240 mT due to the presence of the magnetic layer.

We propose a novel approach to the enhancement of the SPR-sensors sensitivity via utilization of the specially designed garnet-based magnetoplasmonic heterostructures with one-dimensional photonic crystals. Excitation of the long-range propagating modes in such structures as well as the magnetooptical measurements instead of reflection ones make the investigated resonances extremely narrow thus significantly increasing the SPR sensor sensitivity.

We present a novel type of the surface plasmon resonance sensor that is based on the magnetophotonic plasmonic heterostructure. The sensitivity of such sensor is enhanced by several orders of magnitude due to the excitation of the ultralong-range propagating surface plasmon polaritons in specially designed 1D photonic crystal coated with a magnetic layer. The sensing process was experimentally demonstrated for different concentrations of ethanol vapors in air.

We studied two optical modes of the gyrotropic slot waveguide consisted of a magnetic dielectric sandwiched between to different metal walls. Different types of modes are identified including backward anti-symmetric plasmonic mode that has opposite direction of the phase and group velocities. Effect of the magneto-optical nonreciprocity in a transversal magnetic field is revealed and its pecularities for the backward mode are studied.

We investigate the collision of the two surface plasmon polariton pulses interacting at the interface between noble metal and dielectric with Kerr nonlinearity. The dynamics of the signal and pump SPP pulse was analyzed using both spectral and trajectory approaches. We derived the conditions under which the reflection of the weak signal SPP pulse from the intense pump SPP can be observed. Using such interaction one can control the propagation dynamics of the signal pulse via the modulation of the intensity of the pump pulse.

Diffraction of the bulk and surface wave beams in inhomogeneous metamaterials is considered. It is shown that the structure with alternating layers of dielectric and metamaterial suppress the diffraction spreading. We analyze how the inclusion of such structure inside of the open cavity sufficiently changes its properties. The theory of the surface wave beam diffraction on the structural metamaterial — dielectric interface is developed. Properties of the plane resonator for the surface waves are analyzed.