Search Results - "Crozat, P"

Single-shot time-resolved measurements of nanosecond-scale spin-transfer induced switching: stochastic versus deterministic aspects by Devolder, T, Hayakawa, J, Ito, K, Takahashi, H, Ikeda, S, Crozat, P, Zerounian, N, Kim, Joo-Von, Chappert, C, Ohno, H

“…Using high bandwidth resistance measurements, we study the single-shot response of tunnel junctions subjected to spin torque pulses. After the pulse onset, the…”
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Current-driven vortex oscillations in metallic nanocontacts by Mistral, Q, van Kampen, M, Hrkac, G, Kim, Joo-Von, Devolder, T, Crozat, P, Chappert, C, Lagae, L, Schrefl, T

“…We present experimental evidence of subgigahertz spin-transfer oscillations in metallic nanocontacts that are due to the translational motion of a magnetic…”
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Low loss 40 Gbit/s silicon modulator based on interleaved junctions and fabricated on 300 mm SOI wafers by Marris-Morini, D, Baudot, C, Fédéli, J-M, Rasigade, G, Vulliet, N, Souhaité, A, Ziebell, M, Rivallin, P, Olivier, S, Crozat, P, Le Roux, X, Bouville, D, Menezo, S, Bœuf, F, Vivien, L

“…We demonstrate high-speed silicon modulators based on carrier depletion in interleaved pn junctions fabricated on 300 mm-SOI wafers using CMOS foundry…”
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GaN/AlGaN intersubband optoelectronic devices by Machhadani, H, Kandaswamy, P, Sakr, S, Vardi, A, Wirtmüller, A, Nevou, L, Guillot, F, Pozzovivo, G, Tchernycheva, M, Lupu, A, Vivien, L, Crozat, P, Warde, E, Bougerol, C, Schacham, S, Strasser, G, Bahir, G, Monroy, E, Julien, F H

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A 40 Gbit/s optical link on a 300-mm silicon platform by Marris-Morini, D, Virot, L, Baudot, C, Fédéli, J-M, Rasigade, G, Perez-Galacho, D, Hartmann, J-M, Olivier, S, Brindel, P, Crozat, P, Bœuf, F, Vivien, L

“…We demonstrated 40 Gbit/s optical link by coupling a silicon (Si) optical modulator to a germanium (Ge) photo-detector from two separate photonic chips. The…”
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Current-driven microwave oscillations in current perpendicular-to-plane spin-valve nanopillars by Mistral, Q., Kim, Joo-Von, Devolder, T., Crozat, P., Chappert, C., Katine, J. A., Carey, M. J., Ito, K.

“…We study the current and temperature dependences of the microwave voltage emission of spin-valve nanopillars subjected to an in-plane magnetic field and a…”
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Ultrafast terahertz detectors based on three-dimensional meta-atoms by Paulillo, B., Pirotta, S., Nong, H., Crozat, P., Guilet, S., Xu, G., Dhillon, S., Li, L. H., Davies, A. G., Linfield, E. H., Colombelli, R.

“…Terahertz (THz) and sub-THz frequency emitter and detector technologies are receiving increasing attention, underpinned by emerging applications in ultra-fast…”
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Phase coherent precessional magnetization reversal in microscopic spin valve elements by Schumacher, H W, Chappert, C, Crozat, P, Sousa, R C, Freitas, P P, Miltat, J, Fassbender, J, Hillebrands, B

“…We evidence multiple coherent precessional magnetization reversal in microscopic spin valves. Stable, reversible, and highly efficient magnetization switching…”
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Recent Progress in High-Speed Silicon-Based Optical Modulators by Marris-Morini, Delphine, Lyan, Philippe, Rivallin, Pierrette, Halbwax, Mathieu, Laval, Suzanne, Vivien, Laurent, Rasigade, Gilles, Fedeli, Jean-Marc, Cassan, Eric, Le Roux, Xavier, Crozat, Paul, Maine, Sylvain, Lupu, Anatole

“…The evolution of silicon optical modulators is recalled, from the first effect demonstrations to the characterization of high-performance devices integrated in…”
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Terahertz radiation from heavy-ion-irradiated In0.53Ga0.47As photoconductive antenna excited at 1.55μm by Chimot, N., Mangeney, J., Joulaud, L., Crozat, P., Bernas, H., Blary, K., Lampin, J. F.

“…We investigate terahertz (THz) emission from heavy-ion-irradiated In0.53Ga0.47As photoconductive antennas excited at 1550 nm. The carrier lifetime in the…”
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Time-resolved zero field vortex oscillations in point contacts by Devolder, T., Kim, Joo-Von, Crozat, P., Chappert, C., Manfrini, M., van Kampen, M., Van Roy, W., Lagae, L., Hrkac, G., Schrefl, T.

“…We study vortex spin torque oscillators based on magnetic point contacts that operate in zero applied magnetic field. Static and dynamic vortex modes are shown…”
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Open-Circuit One-Port Network Analyzer Ferromagnetic Resonance by Bilzer, C., Devolder, T., Crozat, P., Chappert, C.

“…Broadband spectrometers based on transmission coplanar waveguides have recently found much success for extracting the frequency dependent magnetic…”
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Ultrahigh speed germanium-on-silicon-on-insulator photodetectors for 1.31 and 1.55 μ m operation by Rouvière, M., Vivien, L., Le Roux, X., Mangeney, J., Crozat, P., Hoarau, C., Cassan, E., Pascal, D., Laval, S., Fédéli, J.-M., Damlencourt, J.-F., Hartmann, J. M., Kolev, S.

“…We report the fabrication and the characterization of interdigited metal-germanium on silicon metal photodetectors (metal-semiconductor-metal or MSM) for…”
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THz surface plasmon modes on planar Goubau lines by Gacemi, D, Mangeney, J, Laurtent, T, Lampin, J-F, Akalin, T, Blary, K, Degiron, A, Crozat, P, Meng, F

“…The dispersion relation and confinement of terahertz surface plasmon modes propagating along planar Goubau lines are studied using guided-wave time domain…”
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Magnetization switching by spin torque using subnanosecond current pulses assisted by hard axis magnetic fields by Devolder, T., Crozat, P., Kim, J.-V., Chappert, C., Ito, K., Katine, J. A., Carey, M. J.

“…We have induced magnetization switching by spin transfer in pillar-shaped spin valves using nanosecond-scale current pulses combined with hard axis fields…”
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Subnanosecond magnetization reversal in magnetic nanopillars by spin angular momentum transfer by Tulapurkar, A. A., Devolder, T., Yagami, K., Crozat, P., Chappert, C., Fukushima, A., Suzuki, Y.

“…Sub-ns magnetization switching has been triggered by spin momentum transfer in pulsed current in pillar shaped CoFe∕Cu∕CoFe trilayers. By analyzing the change…”
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Spin-torque switching window, thermal stability, and material parameters of MgO tunnel junctions by Devolder, T., Bianchini, L., Miura, K., Ito, K., Kim, Joo-Von, Crozat, P., Morin, V., Helmer, A., Chappert, C., Ikeda, S., Ohno, H.

“…We study the use of in-plane magnetized free layers with artificially lowered effective magnetization, in the context of spin-torque random access memories…”
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Electrooptical Modulator at Telecommunication Wavelengths Based on GaN-AlN Coupled Quantum Wells by Kheirodin, N., Nevou, L., Machhadani, H., Crozat, P., Vivien, L., Tchernycheva, M., Lupu, A., Julien, F.H., Pozzovivo, G., Golka, S., Strasser, G., Guillot, F., Monroy, E.

“…We report on the demonstration of an intersubband (ISB) coupled quantum-well modulator operating at room temperature and telecommunication wavelength using a…”
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Short-wavelength intersubband electroabsorption modulation based on electron tunneling between GaN∕AlN coupled quantum wells by Nevou, L., Kheirodin, N., Tchernycheva, M., Meignien, L., Crozat, P., Lupu, A., Warde, E., Julien, F. H., Pozzovivo, G., Golka, S., Strasser, G., Guillot, F., Monroy, E., Remmele, T., Albrecht, M.

“…Room temperature intersubband electroabsorption modulation in GaN∕AlN coupled quantum wells is demonstrated at short infrared wavelengths, covering the…”
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Auto-oscillation threshold and line narrowing in MgO-based spin-torque oscillators by Cornelissen, S, Bianchini, L, Hrkac, G, Op de Beeck, M, Lagae, L, Kim, Joo-Von, Devolder, T, Crozat, P, Chappert, C, Schrefl, T

“…We present an experimental study of the power spectrum of current-driven magnetization oscillations in MgO tunnel junctions under low bias. We find the…”
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