Search Results - "Kazansky, P.G."

The problem of achieving high second-order nonlinearities in glasses: The role of electronic conductivity in poling of high index glasses by Corbari, C., Ajitdoss, L.C., Carvalho, I.C.S., Deparis, O., Mezzapesa, F.P., Kazansky, P.G., Sakaguchi, K.

“…Efficient thermal poling of electronically conducting glass is prevented by the inherent difficulty to record a large electrostatic field within such glasses…”
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Broad-band second-harmonic generation in holey optical fibers by Monro, T.M., Pruneri, V., Broderick, N.G.R., Faccio, D., Kazansky, P.G., Richardson, D.J.

“…Holey fibers are shown to have an ideal geometry for efficient parametric processes due to their tailorable modal properties. These fibers can have the…”
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Femtosecond laser direct processing in wet and dry silica glass by Lancry, M., Groothoff, N., Guizard, S., Yang, W., Poumellec, B., Kazansky, P.G., Canning, J.

“…The infrared femtosecond laser damage threshold is found to be independent of OH content in pure silica glass. Additionally, the density and the mean trapping…”
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Ion-exchange-induced formation of glassy electrooptical and nonlinear optical nanomaterial by Tagantsev, D.K., Kazansky, P.G., Lipovskii, A.A., Maluev, K.D.

“…Subsurface electrooptical glass-ceramic layers are formed in an alkaline-silica-niobate glass using ion exchange technique. Ways of selection of glass…”
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Origin and enhancement of the second-order non-linear optical susceptibility induced in bismuth borate glasses by thermal poling by Deparis, O., Mezzapesa, F.P., Corbari, C., Kazansky, P.G., Sakaguchi, K.

“…The second-order non-linear optical susceptibility of thermally poled glasses, χ (2), should be enhanced in proportion to the intrinsic third-order…”
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SnO{sub 2} nanoparticles in silica: Nanosized tools for femtosecond-laser machining of refractive index patterns by Paleari, A., Franchina, E., Chiodini, N., Lauria, A., Bricchi, E., Kazansky, P.G., Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ

“…We show that SnO{sub 2} nanoclusters in silica interact with ultrashort infrared laser pulses focused inside the material generating a hydrostatic compression…”
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Glass fiber poling and applications by Kazansky, P.G., Russell, P.St.J., Takebe, H.

“…Recent developments in the application of poled optical fibers to second harmonic generation and electrooptic light modulation are reviewed…”
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Oxygen-deficiency effect on thermal poling of silica-based glasses by Franchina, E., Corbari, C., Kazansky, P.G., Chiodini, N., Lauria, A., Paleari, A.

“…Thermal poling has been investigated in silica-based glasses prepared by the sol–gel method. Samples with different OH-content (from 40 ppm to few 10 3 ppm),…”
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Optical waveguides in electrooptical nanophase glass–ceramics by Lipovskii, A.A., Svistunov, D.V., Tagantsev, D.K., Tatarintsev, B.V., Kazansky, P.G.

“…Optical wave guides in glass–ceramics, demonstrating a high Kerr coefficient, are studied. The waveguides were produced by an ion exchange technique applied to…”
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Self-Assembled Nanostructures and Two-Plasmon Decay in Femtosecond Processing of Transparent Materials by Kazansky, P.G., Bricchi, E., Shimotsuma, Y., Hirao, K.

“…Self-assembled nanostructures in transparent materials irradiated by ultrashort light pulses reveal two-dimensional periodicity. The mechanism of the…”
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The art of femtosecond laser writing by Kazansky, P.G., Weijia Yang, Arai, A., Shimotsuma, Y., Hirao, K., Svirko, Y.P.

“…Common beliefs that laser writing does not change when reversing beam scan or propagation direction are challenged. Recently discovered phenomena of quill and…”
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Ultrafast switching of nanostructure in fused silica by Shimotsuma, Y., Sakakura, M., Miura, K., Hirao, K., Jiarong Qiu, Kazansky, P.G.

“…Femtosecond switching of anisotropic nanostructure indicating birefringence with a time constant of plusmnb200 fs was observed. Such anisotropy has evolved by…”
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Effect of core–cladding interface on thermal poling of germano-silicate optical waveguides by Faccio, D., Busacca, A., Harwood, D.W.J., Bonfrate, G., Pruneri, V., Kazansky, P.G.

“…We report on the effect of the interface between silica and germano-silicate glass during thermal poling of optical waveguides. By measuring the depth of the…”
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Electrically Stimulated Light-induced Second-harmonic Generation In Glass: Evidence Of Coherent Photoconductivity by Kazansky, P.G., Pruneri, V.

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Photoinduced conversion of radiation polarization in integrated optics components based on LiNbO/sub 3 by Kazansky, P.G.

“…Two photoinduced effects in LiNbO/sub 3/ optical waveguides (unidirectional waveguide mode conversion from ordinary to extraordinary polarization and radiation…”
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Quantum interferometry through cascading broadband entanglement sources by Riazi, A., Chen, C., Zhu, E.Y., Gladyshev, A.V., Kazansky, P.G, Sipe, J. E., Qian, L.

“…We demonstrate broadband (∼100nm) quantum interference in telecom frequencies in an all-fiber system with cascaded SPDC sources. Its applications in dispersion…”
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Ultrafast light blade by Kazansky, P.G., Shimotsuma, Y., Jiarong Qiu, Weijia Yang, Sakakura, M., Beresna, M., Miura, K., Hirao, K.

“…Anisotropic sensitivity of isotropic medium to femtosecond laser radiation is observed. The phenomenon is explained by unusual anisotropy at the interface…”
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Bandwidth Control of Second Harmonic Generation through Chirped Period Poling of Optical Fibres by Canagasabey, A., Corbari, C., Kazansky, P.G., Ibsen, M.

“…Precise control of the bandwidth of second harmonic generation in silica fibres is realised through chirped period poling. The control of the acceptance…”
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"Quill" Writing with Ultrashort Light Pulses in Transparent Optical Materials by Kazansky, P.G., Weijia Yang, Bricchi, E.

“…Writing in silica glass in opposite directions can be different. The phenomenon resembles quill writing and is interpreted in terms of anisotropic trapping of…”
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From Type II upconversion to SPDC: A path to broadband polarization entanglement in poled fibers by Zhu, E.Y., Helt, L.G., Liscidini, M., Qian, L., Sipe, J.E., Canagasabey, A., Corbari, C., Ibsen, M., Kazansky, P.G.

“…We report type II sum-frequency and second-harmonic generation in a 24-cm-long periodically-poled silica fiber. Quasi-phase matching is achieved for…”
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