Search Results - "Ortolani, Michele"

Room temperature operation of n-type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green's functions by Grange, Thomas, Stark, David, Scalari, Giacomo, Faist, Jérôme, Persichetti, Luca, Di Gaspare, Luciana, De Seta, Monica, Ortolani, Michele, Paul, Douglas J., Capellini, Giovanni, Birner, Stefan, Virgilio, Michele

“…n-type Ge/SiGe terahertz quantum cascade lasers are investigated using non-equilibrium Green's functions calculations. We compare the temperature dependence of…”
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Enhancing the Thermal Images of the Upper Scarp of the Poggio Baldi Landslide (Italy) by Physical Modeling and Image Analysis by Massi, Andrea, Ortolani, Michele, Vitulano, Domenico, Bruni, Vittoria, Mazzanti, Paolo

“…We present new methods for physical interpretation and mathematical treatment of the imaging contrast observed in thermal images of the rocky upper scarp of…”
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Tip-Enhanced Infrared Difference-Nanospectroscopy of the Proton Pump Activity of Bacteriorhodopsin in Single Purple Membrane Patches by Giliberti, Valeria, Polito, Raffaella, Ritter, Eglof, Broser, Matthias, Hegemann, Peter, Puskar, Ljiljana, Schade, Ulrich, Zanetti-Polzi, Laura, Daidone, Isabella, Corni, Stefano, Rusconi, Francesco, Biagioni, Paolo, Baldassarre, Leonetta, Ortolani, Michele

“…Photosensitive proteins embedded in the cell membrane (about 5 nm thickness) act as photoactivated proton pumps, ion gates, enzymes, or more generally, as…”
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Thermoplasmonic Effect of Surface-Enhanced Infrared Absorption in Vertical Nanoantenna Arrays by Mancini, Andrea, Giliberti, Valeria, Alabastri, Alessandro, Calandrini, Eugenio, De Angelis, Francesco, Garoli, Denis, Ortolani, Michele

“…Thermoplasmonics is a method for increasing temperature remotely using focused visible or infrared laser beams interacting with plasmonic nanoparticles. Here,…”
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Infrared Nanospectroscopy of Individual Extracellular Microvesicles by Polito, Raffaella, Musto, Mattia, Temperini, Maria Eleonora, Ballerini, Laura, Ortolani, Michele, Baldassarre, Leonetta, Casalis, Loredana, Giliberti, Valeria

“…Extracellular vesicles are membrane-delimited structures, involved in several inter-cellular communication processes, both physiological and pathological,…”
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THz intersubband electroluminescence from n-type Ge/SiGe quantum cascade structures by Stark, David, Mirza, Muhammad, Persichetti, Luca, Montanari, Michele, Markmann, Sergej, Beck, Mattias, Grange, Thomas, Birner, Stefan, Virgilio, Michele, Ciano, Chiara, Ortolani, Michele, Corley, Cedric, Capellini, Giovanni, Di Gaspare, Luciana, De Seta, Monica, Paul, Douglas J., Faist, Jérôme, Scalari, Giacomo

“…We report electroluminescence originating from L-valley transitions in n-type Ge/Si0.15Ge0.85 quantum cascade structures centered at 3.4 and 4.9 THz with a…”
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Out-of-Equilibrium Collective Oscillation as Phonon Condensation in a Model Protein by Nardecchia, Ilaria, Torres, Jeremie, Lechelon, Mathias, Giliberti, Valeria, Ortolani, Michele, Nouvel, Philippe, Gori, Matteo, Meriguet, Yoann, Donato, Irene, Preto, Jordane, Varani, Luca, Sturgis, James, Pettini, Marco

“…We describe the activation of out-of-equilibrium collective oscillations of a macromolecule as a classical phonon condensation phenomenon. If a macromolecule…”
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Free electron harmonic generation in heavily doped semiconductors: the role of the materials properties by De Luca, Federico, Ortolani, Michele, Ciracì, Cristian

“…Heavily doped semiconductors have emerged as low-loss and tunable materials for plasmonics at mid-infrared frequencies. We analyze the nonlinear optical…”
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Asymmetric-coupled Ge/SiGe quantum wells for second harmonic generation at 7.1 THz in integrated waveguides: a theoretical study by Talamas Simola, Enrico, Ortolani, Michele, Di Gaspare, Luciana, Capellini, Giovanni, De Seta, Monica, Virgilio, Michele

“…We present a theoretical investigation of guided second harmonic generation at THz frequencies in SiGe waveguides embedding n-type Ge/SiGe asymmetric coupled…”
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Antenna-enhanced mid-infrared detection of extracellular vesicles derived from human cancer cell cultures by Temperini, Maria Eleonora, Di Giacinto, Flavio, Romanò, Sabrina, Di Santo, Riccardo, Augello, Alberto, Polito, Raffaella, Baldassarre, Leonetta, Giliberti, Valeria, Papi, Massimiliano, Basile, Umberto, Niccolini, Benedetta, Krasnowska, Ewa K, Serafino, Annalucia, De Spirito, Marco, Di Gaspare, Alessandra, Ortolani, Michele, Ciasca, Gabriele

“…Extracellular Vesicles (EVs) are sub-micrometer lipid-bound particles released by most cell types. They are considered a promising source of cancer biomarkers…”
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Visualizing coherent phonon propagation in the 100 GHz range: A broadband picosecond acoustics approach by Pontecorvo, Emanuele, Ortolani, Michele, Polli, Dario, Ferretti, Marco, Ruocco, Giancarlo, Cerullo, Giulio, Scopigno, Tullio

“…Building on a 1 kHz amplified Ti:sapphire laser source, we developed a novel pump-probe setup for broadband picosecond acoustics using a white-light continuum…”
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High-quality CMOS compatible n-type SiGe parabolic quantum wells for intersubband photonics at 2.5–5 THz by Campagna, Elena, Talamas Simola, Enrico, Venanzi, Tommaso, Berkmann, Fritz, Corley-Wiciak, Cedric, Nicotra, Giuseppe, Baldassarre, Leonetta, Capellini, Giovanni, Di Gaspare, Luciana, Virgilio, Michele, Ortolani, Michele, De Seta, Monica

“…A parabolic potential that confines charge carriers along the growth direction of quantum wells semiconductor systems is characterized by a single resonance…”
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Cross-Correlation of THz Pulses from the Electron Storage Ring BESSY II by Schade, Ulrich, Kuske, Peter, Lee, Jongseok, Marchetti, Barbara, Ortolani, Michele

“…Coherent synchrotron radiation from an electron storage ring is observed in the THz spectral range when the bunch length is shortened down to the sub-mm-range…”
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Intersubband Transition Engineering in the Conduction Band of Asymmetric Coupled Ge/SiGe Quantum Wells by Persichetti, Luca, Montanari, Michele, Ciano, Chiara, Di Gaspare, Luciana, Ortolani, Michele, Baldassarre, Leonetta, Zoellner, Marvin, Mukherjee, Samik, Moutanabbir, Oussama, Capellini, Giovanni, Virgilio, Michele, De Seta, Monica

“…n-type Ge/SiGe asymmetric coupled quantum wells represent the building block of a variety of nanoscale quantum devices, including recently proposed designs for…”
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Long intersubband relaxation times in n -type germanium quantum wells by Ortolani, Michele, Stehr, Dominik, Wagner, Martin, Helm, Manfred, Pizzi, Giovanni, Virgilio, Michele, Grosso, Giuseppe, Capellini, Giovanni, De Seta, Monica

“…We measured the non-radiative intersubband relaxation time in n-type modulation-doped Ge/SiGe multi-quantum wells of different thickness by means of degenerate…”
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Infrared nanospectroscopy study of the light-induced conformational changes of Channelrhodopsin by Temperini, Maria Eleonora, Polito, Raffaella, Intze, Antonia, Schade, Ulrich, Puskar, Ljljana, Ritter, Eglof, Baldassarre, Leonetta, Ortolani, Michele, Giliberti, Valeria

“…The channelrhodopsin-ChR2 is a light-sensitive transmembrane protein that acts as a selective ion channel between the intra- and the extra-cellular…”
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Superconductivity-Induced Transparency in Terahertz Metamaterials by Limaj, Odeta, Giorgianni, Flavio, Di Gaspare, Alessandra, Giliberti, Valeria, de Marzi, Gianluca, Roy, Pascale, Ortolani, Michele, Xi, Xiaoxing, Cunnane, Daniel, Lupi, Stefano

“…A plasmonic analogue of electromagnetically induced transparency is activated and tuned in the terahertz (THz) range in asymmetric metamaterials fabricated…”
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Immediate functional loading of single implants: a multicenter study with 4 years of follow-up by Raes, Filiep, Eccellente, Tammaro, Lenzi, Carolina, Ortolani, Michele, Luongo, Giuseppe, Mangano, Carlo, Mangano, Francesco

“…In the current scientific literature there are only few studies on the immediate functional loading of single implants. The aim of the present present study…”
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Downconversion of terahertz radiation due to intrinsic hydrodynamic nonlinearity of a two-dimensional electron plasma by Giliberti, Valeria, Di Gaspare, Alessandra, Giovine, Ennio, Ortolani, Michele, Sorba, Lucia, Biasiol, Giorgio, Popov, Vyacheslav V., Fateev, Denis V., Evangelisti, Florestano

“…We have measured the electric signal downconverted from a terahertz frequency by an unbiased high mobility two-dimensional electron-gas (2DEG) device. The 2DEG…”
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Modeling of second harmonic generation in hole-doped silicon-germanium quantum wells for mid-infrared sensing by Frigerio, Jacopo, Ballabio, Andrea, Ortolani, Michele, Virgilio, Michele

“…The development of Ge and SiGe chemical vapor deposition techniques on silicon wafers has enabled the integration of multi-quantum well structures in silicon…”
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