Search Results - "Penin, A. N"

Complex extraordinary dielectric function of Mg-doped lithium niobate crystals at terahertz frequencies by Kuznetsov, K. A., Kitaeva, G. Kh, Kovalev, S. P., Germansky, S. A., Buryakov, A. M., Tuchak, A. N., Penin, A. N.

“…We study the dispersion of the extraordinary dielectric function real and imaginary parts in the wide terahertz-frequency range of the lowest polariton branch…”
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Mapping of periodically poled crystals via spontaneous parametric down-conversion by Kitaeva, G. Kh, Tishkova, V. V., Naumova, I. I., Penin, A. N., Kang, C. H., Tang, S. H.

“…A new method for characterization of periodically poled crystals is developed based on spontaneous parametric down-conversion. The method is demonstrated on…”
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Characterization of nonlinear optical superlattices by means of ω-k spectroscopy by Kitaeva, G. Kh, Tishkova, V. V., Penin, A. N.

“…A method for measuring the spatial profiles of the second‐order non‐linear susceptibility χ(2)(z) in the bulk of periodically poled crystals and other…”
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Non-Collinear Generation of Second Harmonic in a Strontium Barium Niobate Crystal with Needle-Like Microdomains by Kuznetsov, K. A., Kitaeva, G. Kh, Ezhov, A. A., Muzychenko, D. A., Volk, T. R., Penin, A. N.

“…Non-collinear second harmonic generation (SHG) in a strontium barium niobate (SBN) crystal has been studied. Topology of chemically etched SBN samples is…”
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Characterization of periodically poled LiTaO3 crystals by means of spontaneous parametric down-conversion by Kuznetsov, K.A., Guo, H.C., Kitaeva, Gs.Kh, Ezhov, A.A., Muzychenko, D.A., Penin, A.N., Tang, S.H.

“…We describe the observation of quasi-phase-matched spontaneous parametric down-conversion in eee-geometry in periodically poled LiTaO3 crystals. For scattered…”
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A Method of Calibration of Terahertz Wave Brightness Under Nonlinear-Optical Detection by Kitaeva, G. Kh, Kovalev, S. P., Penin, A. N., Tuchak, A. N., Yakunin, P. V.

“…A new method is proposed for calibration of the terahertz wave spectral brightness. The method is based on the use of quantum and thermal field fluctuations as…”
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Dispersion of the dielectric function real part for Mg:LiNbO3 crystals at terahertz frequencies by Kuznetsov, K. A., Kovalev, S. P., Kitaeva, G. K., Wang, T. D., Lin, Y. Y., Huang, Y. C., Naumova, I. I., Penin, A. N.

“…We study dispersion of the dielectric function real part ε ′ in the terahertz-frequency range for bulk and periodically poled congruent LiNbO 3 and Mg:LiNbO 3…”
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Measurement of the extraordinary refractive index dispersion in the MIR for Mg:Nd:LiNbO3 crystals by the use of quasi-phase-matching in a random 1D domain structure by Solntsev, A. S., Kitaeva, G. Kh, Naumova, I. I., Penin, A. N.

“…We present a method of measurement of the extraordinary refractive index dispersion in MIR for periodically and aperiodically poled nonlinear crystals with…”
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Cascaded coherent Stokes Raman scattering in LiNbO3:Mg crystals under excitation of small polarons and phonon polaritons by Kitaeva, G. Kh, Kuznetsov, K. A., Penin, A. N., Solosin, S. V.

“…Dispersion of the real ε′(ν) and the imaginary ε″(ν) parts of the dielectric function was measured by means of cascaded coherent Stokes Raman scattering…”
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Generation and detection of terahertz radiation by means of periodically and aperiodically poled crystals by Kitaeva, G. Kh, Penin, A. N., Tuchak, A. N.

“…The nonlinear optical methods for generating and detecting terahertz radiation using periodically and aperiodically poled crystals in the quasi-phase-matching…”
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High-visibility multiphoton interference of Hanbury Brown–Twiss type for classical light by Agafonov, I. N., Chekhova, M. V., Iskhakov, T. Sh, Penin, A. N.

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Cascaded coherent Raman scattering by phonon polaritons by Kitaeva, G. Kh, Kuznetsov, K. A., Mikhailovsky, A. A., Penin, A. N.

“…We consider the cascaded part of coherent four‐wave Raman scattering in crystals without inversion symmetry as a method of spectroscopy of phonon polaritons…”
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Infrared dispersion of dielectric function in Mg-doped LiNbO3 crystals with polaronic-type conductivity by Kitaeva, G. Kh, Kuznetsov, K. A., Shevlyuga, A. V., Penin, A. N.

“…We have measured the refractive indices of Mg:LiNbO3 crystals before and after chemical reduction at different annealing temperatures by the spontaneous…”
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Interference effects in spontaneous two-photon parametric scattering from two macroscopic regions by Burlakov, A. V., Chekhova, M. V., Klyshko, D. N., Kulik, S. P., Penin, A. N., Shih, Y. H., Strekalov, D. V.

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Propagation and decay of equilibrium phonon polaritons studied via near-forward Raman scattering by Burlakov, A.V., Chekhova, M.V., Kulik, S.P., Penin, A.N.

“…For the technique of near-forward Raman scattering, the possibility to measure relaxation times and group velocities of phonon polaritons at frequencies close…”
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Spontaneous parametric down-conversion by Kitaeva, G. Kh, Penin, A. N.

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Parametric frequency conversion in layered nonlinear media by Kitaeva, G. Kh, Penin, A. N.

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Interference between spontaneous two-photon radiation from two macroscopic regions by Burlakov, A. V., Klyshko, D. N., Kulik, S. P., Penin, A. N., Chekhova, M. V.

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Activation conduction in metallic island films by Boltaev, A. P., Penin, N. A., Pogosov, A. O., Pudonin, F. A.

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Reduction-induced polarons and optical response of Mg-doped LiNbO3 crystals by Kitaeva, G.K., Kuznetsov, K.A., Morozova, V.F., Naumova, I.I., Penin, A.N., Shepelev, A.V., Viskovatich, A.V., Zhigunov, D.M.

“…We studied the visible and IR dispersion of absorption coefficient and refractive index for congruent LiNbO3 and Mg:LiNbO3 crystals before and after chemical…”
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