Polarization and nonlinear effects enhancement in periodic structures and systems with strong field localization

Fabry-Perot resonator Control of the resonant properties of nonlinear planar metamaterials Fabry-Perot resonator Bragg mirrors Nonlinear filling Photonic crystals Plasmonic structures Planar metamaterials

Fabry-Perot resonator Nonreciprocity and bistability in layered structure with nonlinear defect Fabry-Perot resonator Nonlinear filling Bragg mirror Set of layers with nonlinear defect

Reflection and transmission spectra of layered chiral structure with linear defect S - polarization P - polarization

Distribution of the field intensity inside the structure S - polarization

Reflection and transmission spectra of layered achiral structure with nonlinear defect Bistability

Frequency dependences of magnitude of reflection and transmission coefficients of chiral structure with nonlinear defect Multistability 7 http://ri.kharkov.ua/prosvirn/

Field distribution inside the structure with linear defect versus the chirality parameter 8 http://ri.kharkov.ua/prosvirn/

Transmission and reflection spectra of symmetric magnetophotonic multilayer with linear defect Zeeman-like dublet

Transmission and reflection spectra of symmetric magnetophotonic multilayer with nonlinear defect

Polarization switching between orthogonally polarized states Polarization bistability in symmetric magnetophotonic multilayer with nonlinear defect Polarization switching between orthogonally polarized states

Polarization switching between elliptically polarized states Polarization bistability in asymmetric magnetophotonic multilayer with nonlinear defect Polarization switching between elliptically polarized states

The size of square translation cell is 900 nm Optical bistability involving planar metamaterial with a broken structural symmetry Asymmetric split ring The size of square translation cell is 900 nm Nonlinear substrate

Array of asymmetric split rings Frequency dependences of transmission coefficient and current magnitude in linear case Array of asymmetric split rings Fano resonances

Array of asymmetric split rings Frequency dependences of current magnitude and transmission coefficient in nonlinear case Array of asymmetric split rings

increasing decreasing Hysteresis loops of the transmission coefficient incident field magnitude decreasing increasing

Planar metamaterial and its unite cell Papasimakis, Fu, Fedotov, Prosvirnin, Tsai, and Zheludev, Appl. Phys. Lett., 94 (2009) 211902. Trapped mode Nonlinear substrate

Field localization. Simulation of inner intensity

Simulation of nonlinearity Current value: Permittivity of nonlinear substrate: Nonlinear equation on average value of current: Coefficients of transmission and reflection:

Optical bistability Array of two concentric rings Bistability

Bistability. Fano resonances Array of double concentric rings Fano resonance

Absorption bistability by trapping-light planar metamaterial Array of double concentric rings Bistability

Absorption bistability by trapping-light planar metamaterial Closed loops

Double-layer fish-scale nonlinear metamaterial Nonlinear substrate

Two kinds of resonances in double-layer fish-scale metamaterial Resonant current distributions 1-st kind of resonance 2-nd kind of resonance

Frequency dependences of inner field intensity in double-layer fish-scale nonlinear metamaterial lg A [kW/cm2] = line 1 - 1 line 2 - 200 line 3 - 300 e1=3, enl=0.005 cm2/kW

Frequency dependences of transmission of double-layer fish-scale nonlinear metamaterial A [kW/cm2] = line 1 - 1 line 2 - 200 line 3 - 300 e1=3, enl=0.005 cm2/kW

Trapped mode resonance in the array of dielectric bars All-dielectric array Germanium bars, n = 4.12 dx = dy = 975 nm Bar cross section = 195 x 195 nm2 A giant red shift and enhancement of the light confinement !

Resonant field distribution The distribution of the electric field x-component within the periodic cell

Saturation effect in active metamaterial The unite cell of all-dielectric array Silicon Silica Khardikov, Prosvirnin, arXiv: 1210.4146[physics.optics], 2012 http://ri.kharkov.ua/prosvirn/

Enhancement of luminescence of QD layer hybridized with all-dielectric metamaterial Line 1 - Is = 2.0 2 - Is = 0.4 3 - Is = 0.04

The distribution of saturation factor in the cross section of array The saturation factor 1/(1+I/Is)