Raman scattering study of NaNO2-infiltrated opal photonic crystals

Avakyants, L. P.; Горелик, В. С.; Zlobina, L. I.; Melnik, N. N.; Sverbil, P. P.; Fadyushin, A. B.; Chervyakov, А. V.

doi:10.1134/s0020168506060112

Cited by 17 publications

(10 citation statements)

References 6 publications

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“…Examined model of the infiltrated PC is closely analogous to the opal PC infiltrated with different liquids and solids. 69,[77][78][79][80][81][82][83][84] Therefore, the condition of highly efficient PC pumping Eq. (8) could be used for the three-dimensional case, when it is adjusted for the interactions between the different polarization states.…”

Section: B Enhanced Nonlinear Conversion In the Infiltrated Pcmentioning

confidence: 99%

“…By infiltrating the opal globular PCs with liquids or solids, we could modify the optical and nonlinear properties of the system. 69,[77][78][79][80][81][82][83][84] We should note that the first PC model (Table I) is chosen to equal the empty opal PC, and second one represents the opal PC matrix infiltrated with nonlinear solid media with higher refractive indexes compared to the globules, e.g., NaNO 2 , LiNbO 3 or BaTiO 3 . It is expected that all the dependencies observed for these PC models could be generalized to the three-dimensional cases by adjusting the interaction between different states of the light polarization because the physical reason of the structural light focusing effect is linked with the curvature of particles and their periodic distribution inside the PC structure.…”

Section: A Model Of Pc Structuresmentioning

confidence: 99%

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Band-gap nonlinear optical generation: The structure of internal optical field and the structural light focusing

Zaytsev

Katyba

Yakovlev

et al. 2014

Journal of Applied Physics

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A novel approach for the enhancement of nonlinear optical effects inside globular photonic crystals (PCs) is proposed and systematically studied via numerical simulations. The enhanced optical harmonic generation is associated with two- and three-dimensional PC pumping with the wavelength corresponding to different PC band-gaps. The interactions between light and the PC are numerically simulated using the finite-difference time-domain technique for solving the Maxwell's equations. Both empty and infiltrated two-dimensional PC structures are considered. A significant enhancement of harmonic generation is predicted owing to the highly efficient PC pumping based on the structural light focusing effect inside the PC structure. It is shown that a highly efficient harmonic generation could be attained for both the empty and infiltrated two- and three-dimensional PCs. We are demonstrating the ability for two times enhancement of the parametric decay efficiency, one order enhancement of the second harmonic generation, and two order enhancement of the third harmonic generation in PC structures in comparison to the nonlinear generations in appropriate homogenous media. Obviously, the nonlinear processes should be allowed by the molecular symmetry. The criteria of the nonlinear process efficiency are specified and calculated as a function of pumping wavelength position towards the PC globule diameter. Obtained criterion curves exhibit oscillating characteristics, which indicates that the highly efficient generation corresponds to the various PC band-gap pumping. The highest efficiency of nonlinear conversions could be reached for PC pumping with femtosecond optical pulses; thus, the local peak intensity would be maximized. Possible applications of the observed phenomenon are also discussed.

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Section: B Enhanced Nonlinear Conversion In the Infiltrated Pcmentioning

confidence: 99%

Section: A Model Of Pc Structuresmentioning

confidence: 99%

Band-gap nonlinear optical generation: The structure of internal optical field and the structural light focusing

Zaytsev

Katyba

Yakovlev

et al. 2014

Journal of Applied Physics

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“…The samples for investigations of ferroelectric glob ular photonic crystals were prepared according to the above described procedure [17][18][19]. Initial globular photonic crystals were the plane parallel plates with the (111) natural face.…”

Section: Sample Preparation and Experimental Techniquementioning

confidence: 99%

“…When introducing nanoparticles of fer roelectric compounds between the SiO 2 globules, 3D ferroelectric photonic crystals possessing the nonlin ear optical properties [17][18][19], which are promising for the SOH generation, are formed.…”

Section: Introductionmentioning

confidence: 99%

Second optical harmonic near the surface of ferroelectric photonic crystals and photon traps

et al. 2015

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“…Filling the opal pores with saturated solutions of salts or aromatic compounds in such liquids, followed by evaporation of the solvent in the opal pores, leads to the precipitation of the respec tive compounds: salts, aromatic substances, etc. [6]. Attempts to fill opal pores with metals or oxides pose more serious problems [7].…”

Section: Introductionmentioning

confidence: 99%

Opal-matrix nanocomposites containing metallic nanoparticles

2015

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A method has been proposed for the fabrication of three dimensional photonic crystals based on ordered opal matrices (OMs), with pores containing iron group metal (M = Ni, Co, Fe) nanoparticles. The core of the method is the reduction of salts and oxides of these metals with supercritical isopropanol. The phase composition of OM/M composites depends on the composition of the starting salts (nitrates or chlo rides): the use of ferric chloride leads to the formation of nanoparticles of solid solutions based on nickel metal, α cobalt, or β cobalt (Ni-Fe and Co-Fe systems) in opal pores; with the corresponding nitrates, we obtain OM/NiCo (cubic solid solution), OM/Fe, OM/Ni 3 Fe, OM/NiFe, OM/CoFe, and OM/NiCoFe nanocomposites. We have measured broadband reflection spectra of the (111) surface of the photonic crystals using a fiber optic technique for taking reflection spectra. The intensity peak in the reflection (band gap) spectrum of the OM/M (M = Fe, Co, Ni) nanocomposites is shown to be shifted to longer wavelengths.

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Raman scattering study of NaNO2-infiltrated opal photonic crystals

Cited by 17 publications

References 6 publications

Band-gap nonlinear optical generation: The structure of internal optical field and the structural light focusing

Band-gap nonlinear optical generation: The structure of internal optical field and the structural light focusing

Second optical harmonic near the surface of ferroelectric photonic crystals and photon traps

Opal-matrix nanocomposites containing metallic nanoparticles

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