Search Results - "Akozbek, N."

Harmonic generation from silicon membranes at visible and ultraviolet wavelengths by Hallman, K A, Rodríguez-Suné, L, Trull, J, Cojocaru, C, Vincenti, M A, Akozbek, N, Vilaseca, R, Scalora, M

“…Nonlinear silicon photonics offers unique abilities to generate, manipulate and detect optical signals in nano-devices, with applications based on field…”
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Harmonic generation from gold nanolayers: bound and hot electron contributions to nonlinear dispersion by Rodríguez-Suné, L, Trull, J, Cojocaru, C, Akozbek, N, De Ceglia, D, Vincenti, M A, Scalora, M

“…Understanding how light interacts with matter at the nanoscale is pivotal if one is to properly engineer nano-antennas, filters and other devices whose…”
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Study of second and third harmonic generation from an indium tin oxide nanolayer: Influence of nonlocal effects and hot electrons by Rodríguez-Suné, L., Scalora, M., Johnson, A. S., Cojocaru, C., Akozbek, N., Coppens, Z. J., Perez-Salinas, D., Wall, S., Trull, J.

“…We report comparative experimental and theoretical studies of the second and third harmonic generation from a 20 nm-thick indium tin oxide layer in proximity…”
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Towards harmonic generation enhancement on silicon by Rodríguez-Suné, L., Scalora, M., Cojocaru, C., Akozbek, N., Vilaseca, R., Trull, J.

“…Nowadays, nanostructures are routinely fabricated and integrated in different photonic devices for a variety of purposes and applications. For instance,…”
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Below the surface: Unraveling the intricacies of the nonlinear optical properties of aluminum through bound electrons by Scalora, M., Hallman, K., Mukhopadhyay, S., Pruett, S., Zappa, D., Comini, E., de Ceglia, D., Vincenti, M. A., Akozbek, N., Trull, J., Cojocaru, C.

“…By uncovering novel aspects of second harmonic generation in aluminum, we show that there are unusual and remarkable consequences of resonant absorption,…”
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Second and third harmonic generation from gold nanolayers: experiment versus theory by Rodríguez-Suné, L., Trull, J., Akozbek, N., De Ceglia, D., Vincenti, M. A., Scalora, M., Cojocaru, C.

“…The use of semiconductors, metals, or ordinary dielectrics in the process of fabrication of nanodevices is at the front edge of nowadays technology, exploiting…”
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Reevaluation of radiation reaction and consequences for light-matter interactions at the nanoscale by Scalora, M, Vincenti, M A, de Ceglia, D, Akozbek, N, Bloemer, M J, Roso, L, Trull, J, Cojocaru, C, Haus, J W

“…In the context of electromagnetism and nonlinear optical interactions, damping is generally introduced as a phenomenological, viscous term that dissipates…”
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Resonant and nonresonant funneling through plasmonic gratings in the limit of the aperture width approaching zero by Bloemer, M. J., Mattiucci, N., D'Aguanno, G., Trimm, R., Akozbek, N.

“…We experimentally and theoretically investigate electromagnetic funneling in thick plasmonic gratings as the aperture size approaches zero. Both resonant and…”
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Self-transformation of a powerful femtosecond laser pulse into a white-light laser pulse in bulk optical media (or supercontinuum generation) by Kandidov, V P, Kosareva, O G, Golubtsov, I S, Liu, W, Becker, A, Akozbek, N, Bowden, C M, Chin, S L

“…We present experimental and theoretical results on white-light generation in the filamentation of a high-power femtosecond laser pulse in water and atmospheric…”
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Plasmonic band edge effects on the transmission properties of metal gratings by de Ceglia, D., Vincenti, M. A., Scalora, M., Akozbek, N., Bloemer, M. J.

“…We present a detailed analysis of the optical properties of one-dimensional arrays of slits in metal films. Although enhanced transmission windows are…”
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Third harmonic generation at 223 nm in the metallic regime of GaP by Roppo, V., Foreman, J. V., Akozbek, N., Vincenti, M. A., Scalora, M.

“…We demonstrate second and third harmonic generation from a GaP substrate 500   μ m thick. The second harmonic field is tuned at the absorption resonance at 335…”
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Second- and third-harmonic generation in metal-based structures by Scalora, M., Vincenti, M. A., de Ceglia, D., Roppo, V., Centini, M., Akozbek, N., Bloemer, M. J.

“…We present a theoretical approach to the study of second- and third-harmonic generation from metallic structures and nanocavities filled with a nonlinear…”
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Towards a control of multiple filamentation by spatial regularization of a high-power femtosecond laser pulse by Kandidov, V.P., Akozbek, N., Scalora, M., Kosareva, O.G., Nyakk, A.V., Luo, Q., Hosseini, S.A., Chin, S.L.

“…We propose a new method for controlling randomly generated multiple filaments during the propagation of femtosecond laser pulses in optical media. The method…”
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Controlling a bunch of multiple filaments by means of a beam diameter by Kosareva, O.G., Panov, N.A., Akozbek, N., Kandidov, V.P., Luo, Q., Hosseini, S.A., Liu, W., Gravel, J.-F., Roy, G., Chin, S.L.

“…We demonstrate a three orders of magnitude increase and stability in the backscattered fluorescence signal from nitrogen molecules by terawatt femtosecond…”
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Graphene-based perfect optical absorbers harnessing guided mode resonances by Grande, M, Vincenti, M A, Stomeo, T, Bianco, G V, de Ceglia, D, Aközbek, N, Petruzzelli, V, Bruno, G, De Vittorio, M, Scalora, M, D'Orazio, A

“…We investigate graphene-based optical absorbers that exploit guided mode resonances (GMRs) attaining theoretically perfect absorption over a bandwidth of few…”
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Impedance matched thin metamaterials make metals absorbing by Mattiucci, N., Bloemer, M. J., Aközbek, N., D'Aguanno, G.

“…Metals are generally considered good reflectors over the entire electromagnetic spectrum up to their plasma frequency. Here we demonstrate an approach to…”
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Optimum small-scale management of random beam perturbations in a femtosecond laser pulse by Kandidov, V.P., Dormidonov, A.E., Kosareva, O.G., Akozbek, N., Scalora, M., Chin, S.L.

“…We have performed statistical simulations of stochastic filament control in a femtosecond laser pulse. Suppression of random multiple filaments is performed by…”
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Graphene-based absorber exploiting guided mode resonances in one-dimensional gratings by Grande, M, Vincenti, M A, Stomeo, T, Bianco, G V, de Ceglia, D, Aközbek, N, Petruzzelli, V, Bruno, G, De Vittorio, M, Scalora, M, D'Orazio, A

“…A one-dimensional dielectric grating, based on a simple geometry, is proposed and investigated to enhance light absorption in a monolayer graphene exploiting…”
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Broadband metamaterial for nonresonant matching of acoustic waves by D’Aguanno, G., Le, K. Q., Trimm, R., Alù, A., Mattiucci, N., Mathias, A. D., Aközbek, N., Bloemer, M. J.

“…Unity transmittance at an interface between bulk media is quite common for polarized electromagnetic waves incident at the Brewster angle, but it is rarely…”
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Manipulating the extraordinary acoustic transmission through metamaterial-based acoustic band gap structures by Aközbek, N., Mattiucci, N., Bloemer, M. J., Sanghadasa, M., D'Aguanno, G.

“…We report theoretical predictions and experimental results on the formation of pass bands and stop bands of extraordinary acoustic transmission in multilayer…”
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