Search Results - "Gholipour, B"

Characterization of supercooled liquid Ge2Sb2Te5 and its crystallization by ultrafast-heating calorimetry by Orava, J., Greer, A. L., Gholipour, B., Hewak, D. W., Smith, C. E.

“…Even though phase-change materials are used in optical as well as electronic information storage applications, some issues, such as their fast crystallization…”
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Metamaterial electro-optic switch of nanoscale thickness by Sámson, Z. L., MacDonald, K. F., De Angelis, F., Gholipour, B., Knight, K., Huang, C. C., Di Fabrizio, E., Hewak, D. W., Zheludev, N. I.

“…We demonstrate an innovative concept for nanoscale electro-optic switching. It exploits the frequency shift of a narrow-band Fano resonance mode in a plasmonic…”
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Reconfigurable phase-change photomask for grayscale photolithography by Wang, Q., Yuan, G. H., Kiang, K. S., Sun, K., Gholipour, B., Rogers, E. T. F., Huang, K., Ang, S. S., Zheludev, N. I., Teng, J. H.

“…We demonstrate a grayscale photolithography technique which uses a thin phase-change film as a photomask to locally control the exposure dose and allows…”
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Photonic implementation of artificial synapses in ultrafast laser inscribed waveguides in chalcogenide glass by Ramos, M., Bharadwaj, V., Sotillo, B., Gholipour, B., Giakoumaki, A. N., Ramponi, R., Eaton, S. M., Soci, C.

“…Simple and direct prototyping methods are ideal for large-scale delivery of cognitive photonic hardware. Here, we choose ultrafast laser writing as a direct…”
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Reconfigurable photonic platforms: feature issue introduction by Gholipour, B., Youngblood, N., Wang, Q., Wu, P. C., Barclay, P., Ou, J. Y.

“…We introduce the feature issue on Reconfigurable Photonic Platforms. This issue presents a broad collection of contributions from across the globe, bringing…”
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Engineering the collapse of lifetime distribution of nitrogen-vacancy centers in nanodiamonds by Li, H., Ou, J. Y., Gholipour, B., So, J. K., Piccinotti, D., Fedotov, V. A., Papasimakis, N.

“…We demonstrate experimentally that the distribution of the decay rates of nitrogen-vacancy centers in diamond becomes narrower by over five times for…”
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Ultra-fast calorimetry study of Ge2Sb2Te5 crystallization between dielectric layers by Orava, J, Greer, A L, Gholipour, B, Hewak, D W, Smith, C E

“…Phase changes in chalcogenides such as Ge2Sb2Te5 can be exploited in non-volatile random-access memory, with fast crystallization crucial for device operation…”
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Low current consuming thermally stable sulphide phase change memory by Gholipour, B., Huang, C. C., Hewak, D. W.

“…We show that phase change media based on the gallium and lanthanum chalcogenides can outperform the well know benchmark performance of germanium antimony…”
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Laser-induced forward transfer of intact chalcogenide thin films: resultant morphology and thermoelectric properties by Feinaeugle, M., Sones, C. L., Koukharenko, E., Gholipour, B., Hewak, D. W., Eason, R. W.

“…We present a laser-based transfer method for the novel application of fabricating elements for planar thermoelectric devices. Thin films of thermoelectric…”
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Laser-Induced Forward Transfer-printing of focused ion beam pre-machined crystalline magneto-optic yttrium iron garnet micro-discs by Sones, C L, Feinaeugle, M, Sposito, A, Gholipour, B, Eason, R W

“…We present femtosecond laser-induced forward transfer of focused ion beam pre-machined discs of crystalline magneto-optic yttrium iron garnet (YIG) films…”
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Nanoelectronic crossbar arrays enable randomly addressable metamaterials with multispectral optical resonances by Mandal, A., Gholipour, B.

“…Crossbar nanoelectronic architectures, which are at the heart of today's memristive and phase change random access memory technology such as ReRAM and PCRAM,…”
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Raman spectroscopy of femtosecond laser written low propagation loss optical waveguides in Schott N-SF8 glass by Sotillo, B., Chiappini, A., Bharadwaj, V., Ramos, M., Fernandez, T.T., Rampini, S., Ferrari, M., Ramponi, R., Fernández, P., Gholipour, B., Soci, C., Eaton, S.M.

“…We have performed high repetition rate femtosecond laser bulk modification of TiO2-SiO2 based glass (Schott N-SF8 glass), leading to a decrease in the…”
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Electrical properties of Bi-implanted amorphous chalcogenide films by Fedorenko, Y.G., Hughes, M.A., Colaux, J.L., Jeynes, C., Gwilliam, R.M., Homewood, K., Gholipour, B., Yao, J., Hewak, D.W., Lee, T.-H., Elliott, S.R., Curry, R.J.

“…The impact of Bi implantation on the conductivity and the thermopower of GeTe, Ge–Sb–Te, and Ga–La–S films is investigated. The enhanced conductivity appears…”
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Ultra-fast calorimetry study of Ge 2 Sb 2 Te 5 crystallization between dielectric layers by Orava, J., Greer, A. L., Gholipour, B., Hewak, D. W., Smith, C. E.

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Characterization of supercooled liquid Ge sub(2)Sb sub(2)Te sub(5) and its crystallization by ultrafast-heating calorimetry by Orava, J, Greer, AL, Gholipour, B, Hewak, D W, Smith, CE

“…Differential scanning calorimetry (DSC) is widely used to study the stability of amorphous solids, characterizing the kinetics of crystallization close to the…”
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Chalcogenide microfiber photonic synapses by Gholipour, B., Bastock, P., Khan, K., Craig, C., Hewak, D. W., Zheludev, N. I., Soci, C.

“…Optical axons and photonic synapses implemented using chalcogenide microfibers allow the generation and propagation of photonic action potentials which give…”
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Plasmonic nanowire continuum light source by Gholipour, B., Nalla, V., Bastock, P., Khan, K., Craig, C., Hewak, D. W., Zheludev, N. I., Soci, C.

“…Optically pumped gold nanowire, 330 nm in diameter imbedded into silicate optical fiber produces broadband, highly collimated radiation (in the range 470-900…”
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Deposition of elements for a thermoelectric generator via laser-induced forward transfer by Feinaeugle, M., Sones, C. L., Koukharenko, E., Gholipour, B., Hewak, D. W., Eason, R. W.

“…Films of thermoelectric bismuth selenide and bismuth telluride have been transferred by laser-induced forward transfer onto glass and polymer substrates…”
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Chalcogenide glass photonics: Non-volatile, bi-directional, all-optical switching in phase-change metamaterials by Gholipour, B., Zhang, J., Al-Saab, F., MacDonald, K. F., Hayden, B. E., Hewak, D. W., Zheludev, N. I.

“…Non-volatile, bi-directional, all-optical switching in a phase-change metamaterial delivers high-contrast transmission and reflection modulation at visible and…”
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Laser-induced forward transfer-printing of pre-machined crystalline magneto-optic garnet discs by Sones, C. L., Feinaeugle, M., Gholipour, B., Sposito, A., Eason, R. W.

“…We present femtosecond laser-induced forward transfer of focussed ion beam pre-machined crystalline magneto-optic Yttrium Iron Garnet films. Debris-free…”
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