Search Results - "Neshev, D.N."

Cerenkov-Type Second-Harmonic Generation in Two-Dimensional Nonlinear Photonic Structures by Saltiel, S.M., Yan Sheng, Voloch-Bloch, N., Neshev, D.N., Krolikowski, W., Arie, A., Koynov, K., Kivshar, Yu.S.

“…We study the Cerenkov-type second-harmonic generation in several different two-dimensional nonlinear photonic structures formed in birefringent crystals with…”
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All-Optical Control of Nonlinear Pattern Modes by Periodic Photonic Structures by Marsal, N., Wolfersberger, D., Sciamanna, M., Montemezzani, G., Neshev, D.N.

“…We present experimental studies on manipulation of modulational instability in a nonlinear dissipative feedback system by a one- and two-dimensional periodic…”
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Simultaneous fs pulse spectral broadening and third harmonic generation in highly nonlinear fibre: experiments and simulations by Kibler, B., Fischer, R., Genty, G., Neshev, D.N., Dudley, J.M.

“…Experiments and numerical simulations are used to study non-phasematched single-mode third harmonic generation occurring simultaneously with fs pulse spectral…”
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Broadband adiabatic light transfer in optically induced waveguide arrays by Ciret, Charles, Coda, Virginie, Rangelov, Andon A., Neshev, Dragomir N., Montemezzani, Germano

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Broadband frequency doubling an unpoled SBN crystals in the thermal focusing regime by Fischer, R., Saltiel, S.M., Neshev, D.N., Krolikowski, W., Kivshar, Y.S.

“…We study experimentally broadband noncollinear second-harmonic generation in unpoled Strontium Barium Niobate crystals. We show the effects of thermal…”
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Observation of topological transformations of vortices in two-dimensional lattices by Bezryadina, A., Neshev, D.N., Desyatnikov, A.S., Young, J., Zhigang Chen, Kivshar, Y.S.

“…We explore theoretically and experimentally the transformations of phase structure and angular momentum of vortex beams in two-dimensional photonic lattices…”
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Demonstration of optically controlled beam steering in dynamic photonic lattices by Rosberg, C.R., Garanovich, I.L., Sukhorukov, A.A., Neshev, D.N., Krolikowski, W., Kivshar, Y.S.

“…We demonstrate experimentally all-optical beam steering in modulated photonic lattices produced by three wave interference in photorefractive crystals. We show…”
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Discrete self-trapping vs. defocusing in nonlinear waveguide arrays by Rosberg, C.R., Matuszewski, M., Neshev, D.N., Sukhorukov, A.A., Mitchell, A., Trippenbach, M., Austin, M.W., Krolikowski, W., Kivshar, Y.S.

“…We predict a sharp crossover from self-defocusing to discrete localization in photonic lattices with defocusing nonlinearity for increasing index contrast. We…”
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Observation of surface gap solitons by Rosberg, C.R., Neshev, D.N., Krolikowski, W., Kivshar, Y.S., Mitchell, A., Vicencio, R.A., Molina, M.I.

“…We predict, in the framework of a nonlinear discrete model, and demonstrate experimentally in defocusing waveguide arrays, that self-localization near the edge…”
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Directional nonlinear wave transport in photonic lattices by Fischer, R., Trager, D., Neshev, D.N., Sukhorukov, A.A., Denz, C., Krolikowski, W., Kivshar, Y.S.

“…We demonstrate theoretically and experimentally directional wave transport in two-dimensional perfectly periodic photonic structures. This effect is associated…”
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Localization of light in optically-induced modulated Bessel lattices by Fischer, R., Neshev, D.N., Lopez-Aguayo, S., Desyatnikov, A.S., Sukhorukov, A.A., Krolikowski, W., Kivshar, Y.S.

“…We observe experimentally nonlinear localization of beams in two-dimensional modulated Bessel-type photonic lattices with self-focusing nonlinear response…”
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Nonlinear spectral demultiplexing in arrays of curved waveguides by Garanovich, I.L., Sukhorukov, A.A., Neshev, D.N., Kivshar, Yu.S.

“…In this paper, curved nonlinear waveguide arrays are specially designed and numerically nonlinearly-induced symmetry breaking of the output beam profile is…”
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Landau-Zener tunnelling dynamics in hexagonal photonic lattices by Terhalle, B., Desyatnikov, A.S., Neshev, D.N., Krolikowski, W., Denz, C., Kivshar, Yu.S.

“…In this paper, experimental observation of Landau-Zener tunnelling in optically induced hexagonal photonic lattices by studying symmetric and asymmetric…”
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Nonlinear surface waves in curved waveguide arrays by Qi, X., Garanovich, I.L., Xu, Z., Sukhorukov, A.A., Neshev, D.N., Krolikowski, W., Mitchell, A., Kivshar, Yu.S.

“…In this work, we study, for the first time to our knowledge, the interplay between both types of localized surface modes at the edge of a semi-infinite…”
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Spatiotemporal light localization in infiltrated waveguide arrays by Rasmussen, P.D., Neshev, D.N., Sukhorukov, A.A., Krolikowski, W., Bang, O., Laegsgaard, J., Kivshar, Yu.S.

“…We study light propagation in hexagonal waveguide arrays and show that simultaneous spatiotemporal localisation is possible by combination of engineered…”
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Light propagation in novel fluid infiltrated polymer waveguide arrays by Bennet, F.H., Zeller, E., Larter, T., Mitchell, A., Neshev, D.N., Kivshar, Y.S.

“…Propagation of light in periodic photonic structures has triggered great interest in the past decade due to the possibilities to study fundamental physical…”
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Second harmonic generation in periodic and aperiodic transversely poled crystals by Saltiel, S.M., Sheng, Y., Voloch, N., Neshev, D.N., Krolikowski, W., Koynov, K., Ma, B., Arie, A., Kivshar, Yu.S.

“…One of the greatest advances in the field of second-harmonic generation (SHG) has been brought about by the use of multi-domain crystals with periodic or…”
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Nonlinear control of light in periodic photonic structures: From waveguides to cavities by Neshev, D.N., Marsal, N., Wolfersberger, D., Sciamanna, M., Montemezzani, G., Sukhorukov, A.A., Krolikowski, W., Kivshar, Y.S.

“…We review the fundamentals of light control in nonlinear periodic photonic lattices. In particular, we demonstrate their ability to control the modulational…”
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Optimized one-step compression of femtosecond fibre laser pulses to 30 fs in dispersion-flattened highly nonlinear fibre by Fischer, R., Kibler, B., Lacourt, P.-A., Courvoisier, F., Neshev, D., Dudley, J. M.

“…In this paper, however, we show that it is possible to obtain high quality nonlinear compressed pulses using only one segment of readily-available highly…”
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Nonlocal gap soliton in liquid infiltrated photonic crystal fibres by Bennet, F.H., Rosberg, C.R., Rasmussen, P.D., Sukhorukov, A.A., Bang, O., Neshev, D.N., Krolikowski, W., Kivshar, Y.S.

“…We report on the observation of nonlocal gap solitons in infiltrated photonic crystal fibres. We employ the thermal defocusing nonlinearity of the liquid to…”
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