Search Results - "Liverini, V"

Comparative analysis of quantum cascade laser modeling based on density matrices and non-equilibrium Green's functions by Lindskog, M., Wolf, J. M., Trinite, V., Liverini, V., Faist, J., Maisons, G., Carras, M., Aidam, R., Ostendorf, R., Wacker, A.

“…We study the operation of an 8.5 μm quantum cascade laser based on GaInAs/AlInAs lattice matched to InP using three different simulation models based on…”
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Room-temperature transverse-electric polarized intersubband electroluminescence from InAs/AlInAs quantum dashes by Liverini, V., Nevou, L., Castellano, F., Bismuto, A., Beck, M., Gramm, Fabian, Faist, J.

“…We report the observation of transverse electric polarized electroluminescence from InAs/AlInAs quantum dash quantum cascade structures up to room temperature…”
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Current quantization in an optically driven electron pump based on self-assembled quantum dots by Nevou, L., Liverini, V., Friedli, P., Castellano, F., Bismuto, A., Sigg, H., Gramm, F., Müller, E., Faist, J.

“…The electronic structure of self-assembled semiconductor quantum dots consists of discrete atom-like states that can be populated with a well-defined number of…”
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Semiconductor saturable absorber mirror structures with low saturation fluence by SPÜHLER, G. J, WEINGARTEN, K. J, GRANGE, R, KRAINER, L, HAIML, M, LIVERINI, V, GOLLING, M, SCHÖN, S, KELLER, U

“…We present two novel semiconductor saturable absorber mirror (SESAM) designs which can exhibit more than ten times lower saturation fluence than classical…”
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InAs/AlInAs quantum-dash cascade structures with electroluminescence in the mid-infrared by Liverini, V., Bismuto, A., Nevou, L., Beck, M., Gramm, F., Müller, E., Faist, J.

“…We demonstrate mid-infrared emission from cascade structures based on InAs quantum dashes (QDashes) grown on tensile-strained AlInAs. The proposed design…”
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Parameter tunable GaInNAs saturable absorbers for mode locking of solid-state lasers by Rutz, A., Liverini, V., Grange, R., Haiml, M., Schön, S., Keller, U.

“…Passively mode-locked solid-state lasers require semiconductor saturable absorber mirrors (SESAMs) with a recovery time up to 10–30 times longer than the final…”
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Nitrogen-dependent effects on GaInNAs photoluminescence upon annealing by Liverini, V., Rutz, A., Keller, U., Schön, S.

“…In order to assess the effects of nitrogen on GaInNAs during the annealing process, we analyzed several quantum wells (QWs) with different nitrogen contents…”
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All-GaInNAs ultrafast lasers: Material development for emitters and absorbers by Rutz, A., Liverini, V., Müller, E., Schön, S., Keller, U.

“…Defect engineering is a key feature in material development for active and passive laser devices. Active devices such as surface emitting lasers require…”
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Passively mode-locked 1.3-[mu]m multi-GHz Nd:YVO4 lasers with low timing jitter by G.J. Spuhler, G.J. Spuhler, L. Krainer, L. Krainer, V. Liverini, V. Liverini, R. Grange, R. Grange, M. Haiml, M. Haiml, S. Pawlik, S. Pawlik, B. Schmidt, B. Schmidt, S. Schon, S. Schon, U. Keller, U. Keller

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Dilute nitride absorbers in passive devices for mode locking of solid-state lasers by Schön, S., Rutz, A., Liverini, V., Grange, R., Haiml, M., Zeller, S.C., Keller, U.

“…We report on the growth, material and nonlinear optical properties of GaInNAs quantum wells (QWs) used in semiconductor saturable absorber mirrors (SESAMs) for…”
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Asymmetric heterostructure for photovoltaic InAs quantum dot infrared photodetector by Nevou, L., Liverini, V., Castellano, F., Bismuto, A., Faist, J.

“…A photovoltaic InAs quantum dot-under-a-well photodetector is reported with a peak responsivity at 7 μm wavelength. In this structure, we implement an improved…”
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Midinfrared electroluminescence from InAs/InP quantum dashes by Liverini, V., Bismuto, A., Nevou, L., Beck, M., Faist, J.

“…We report midinfrared intraband electroluminescence from quantum cascade structures based on InAs/AlInGaAs quantum dashes grown on InP. The devices show a…”
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Asymmetric heterostructure for photovoltaic InAs quantum dotinfrared photodetector by Nevou, L., Liverini, V., Castellano, F., Bismuto, A., Faist, J.

“…A photovoltaic InAs quantum dot-under-a-well photodetector is reported with a peak responsivity at 7   μ m wavelength. In this structure, we implement an…”
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Room temperature operation of a deep etched buried heterostructure photonic crystal quantum cascade laser by Peretti, Romain, Liverini, Valeria, Süess, Martin J., Liang, Yong, Vigneron, Pierre- Baptiste, Wolf, Johanna M., Bonzon, Christopher, Bismuto, Alfredo, Metaferia, Wondwosen, Balaji, Manavaimaran, Lourdudoss, Sebastian, Gini, Emilio, Beck, Mattias, Faist, Jérome

“…High power single mode quantum cascade lasers with a narrow far field are important for several applications including surgery or military countermeasure…”
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Low-loss GaInNAs saturable absorber mode locking a 1.3-μm solid-state laser by Liverini, V., Schön, S., Grange, R., Haiml, M., Zeller, S. C., Keller, U.

“…We have demonstrated stable self-starting passive cw mode locking of a solid-state laser at about 1.3 μm using a GaInNAs semiconductor saturable absorber…”
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Mid-infrared emission of quantum-dash-based quantum cascade laser structures by Liverini, V, Bismuto, A, Nevou, L, Beck, M, Faist, J

“…We developed two mid-infrared quantum cascade laser structures based on InAs quantum dashes embedded either in AlInGaAs lattice-matched to InP or in…”
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Room temperature operation of a photonic crystal quantum cascade laser by Peretti, R., Liverini, V., Wolf, J., Bonzon, C., Lourdudoss, S., Metaferia, W., Beck, M., Faist, J.

“…We report on design, fabrication and investigation of a buried heterostructure photonic crystal quantum cascade laser operating in the mid-IR (8.5μm) at room…”
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Nonlinear absorption edge properties of 1.3 - μ m GaInNAs saturable absorbers by Grange, R., Rutz, A., Liverini, V., Haiml, M., Schön, S., Keller, U.

“…GaInNAs 1.3 - μ m quantum-well saturable absorber mirrors are characterized with spectrally resolved nonlinear reflectivity measurements over 70 nm around the…”
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Synchrotron microspectroscopy of quantum cascade laser devices based on quantum wells and quantum dashes by Friedli, P., Liverini, V., Hugi, A., Lerch, P., Faist, J., Sigg, H.

“…We apply synchrotron-based Infrared broadband (0.08-1eV) transmission measurements of quantum cascade laser devices based on quantum wells and quantum dashes…”
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Passively mode-locked 1.3-μm multi-GHz Nd:YVO4 lasers with low timing jitter by Spuhler, G.J., Krainer, L., Liverini, V., Grange, R., Haiml, M., Pawlik, S., Schmidt, B., Schon, S., Keller, U.

“…We demonstrate diode-pumped passively mode-locked 1.34-μm Nd:YVO 4 lasers with repetition rates of 5 and 10GHz. Passive mode locking is achieved by using a…”
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