Search Results - "Birner, Stefan"

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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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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Short-period scattering-assisted terahertz quantum cascade lasers operating at high temperatures by Wang, Li, Lin, Tsung-Tse, Wang, Ke, Grange, Thomas, Birner, Stefan, Hirayama, Hideki

“…Operating at high temperatures in the range of thermoelectric coolers is essential for terahertz quantum cascade lasers to real applications. The use of…”
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Graphene Solution-Gated Field-Effect Transistor Array for Sensing Applications by Dankerl, Markus, Hauf, Moritz V., Lippert, Andreas, Hess, Lucas H., Birner, Stefan, Sharp, Ian D., Mahmood, Ather, Mallet, Pierre, Veuillen, Jean-Yves, Stutzmann, Martin, Garrido, Jose A.

“…Graphene, with its unique combination of physical and electronic properties, holds great promise for biosensor and bioelectronic applications. In this respect,…”
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Broadening mechanisms and self-consistent gain calculations for GaN quantum cascade laser structures by Wang, Ke, Grange, Thomas, Lin, Tsung-Tse, Wang, Li, Jéhn, Zoltán, Birner, Stefan, Yun, Joosun, Terashima, Wataru, Hirayama, Hideki

“…Carrier transport in GaN terahertz (THz) quantum cascade laser (QCL) structures is theoretically investigated using a non-equilibrium Green's function method…”
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Unveiling the charge distribution of a GaAs-based nanoelectronic device: A large experimental dataset approach by Chatzikyriakou, Eleni, Wang, Junliang, Mazzella, Lucas, Lacerda-Santos, Antonio, Figueira, Maria Cecilia da Silva, Trellakis, Alex, Birner, Stefan, Grange, Thomas, Bäuerle, Christopher, Waintal, Xavier

“…In quantum nanoelectronics, numerical simulations have become a ubiquitous tool. Yet the comparison with experiments is often done at a qualitative level or…”
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Efficient method for the calculation of dissipative quantum transport in quantum cascade lasers by Greck, Peter, Birner, Stefan, Huber, Bernhard, Vogl, Peter

“…We present a novel and very efficient method for calculating quantum transport in quantum cascade lasers (QCLs). It follows the nonequilibrium Green's function…”
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Over One Watt Output Power Terahertz Quantum Cascade Lasers by Using High Doping Concentration and Variable Barrier‐Well Height by Lin, Tsung-Tse, Wang, Li, Wang, Ke, Grange, Thomas, Birner, Stefan, Hirayama, Hideki

“…A GaAs/AlGaAs‐based terahertz quantum cascade laser with a peak power of 1.31 W and average power of 52 mW is demonstrated. To realize a high output power, an…”
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Comparison between InAs-based and GaSb-based interband cascade lasers with hybrid superlattice plasmon-enhanced claddings by Petrovic, Borislav, Bader, Andreas, Nauschütz, Josephine, Sato, Takuma, Birner, Stefan, Estevam, Sabrina, Weih, Robert, Hartmann, Fabian, Höfling, Sven

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nextnano: General Purpose 3-D Simulations by Birner, S., Zibold, T., Andlauer, T., Kubis, T., Sabathil, M., Trellakis, A., Vogl, P.

“…nextnano is a semiconductor nanodevice simulation tool that has been developed for predicting and understanding a wide range of electronic and optical…”
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Semiconductor-based electron flying qubits: review on recent progress accelerated by numerical modelling by Edlbauer, Hermann, Wang, Junliang, Crozes, Thierry, Perrier, Pierre, Ouacel, Seddik, Geffroy, Clément, Georgiou, Giorgos, Chatzikyriakou, Eleni, Lacerda-Santos, Antonio, Waintal, Xavier, Glattli, D. Christian, Roulleau, Preden, Nath, Jayshankar, Kataoka, Masaya, Splettstoesser, Janine, Acciai, Matteo, da Silva Figueira, Maria Cecilia, Öztas, Kemal, Trellakis, Alex, Grange, Thomas, Yevtushenko, Oleg M., Birner, Stefan, Bäuerle, Christopher

“…The progress of charge manipulation in semiconductor-based nanoscale devices opened up a novel route to realise a flying qubit with a single electron. In the…”
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1.39- Watt Operation of THz Quantum Cascade Laser with Highly Doped Depopulation Layers by Lin, Tsung-Tse, Wang, Li, Wang, Ke, Grange, Thomas, Birner, Stefan, Hirayama, Hideki

“…A 1.39 W peak power and 60 mW average power THz QCL is presented by variable Al composition active structure with high doping concentration based on NEGF…”
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Over 1 Watt THz QCLs with high doping concentration and variable Al composition in active structure by Lin, Tsung-Tse, Wang, Li, Wang, Ke, Grange, Thomas, Birner, Stefan, Hirayama, Hideki

“…A 1.31 W peak power and 52 mW average power THz QCL is presented by variable Al composition active structure with high doping concentration based on NEGF…”
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Three-Dimensional Si/Ge Quantum Dot Crystals by Grützmacher, Detlev, Fromherz, Thomas, Dais, Christian, Stangl, Julian, Müller, Elisabeth, Ekinci, Yasin, Solak, Harun H, Sigg, Hans, Lechner, Rainer T, Wintersberger, Eugen, Birner, Stefan, Holý, Václav, Bauer, Günther

“…Modern nanotechnology offers routes to create new artificial materials, widening the functionality of devices in physics, chemistry, and biology. Templated…”
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Improvement of QDIP performance due to quantum dots with built-in charge by Mitin, Vladimir, Sergeev, Andrei, Vagidov, Nizami, Birner, Stefan

“…The charging of quantum dots provides two strong effects which improve Quantum Dot Infrared Photodetector (QDIP) performance. First, electrons placed in the…”
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The 3D nanometer device project nextnano: Concepts, methods, results by Trellakis, Alex, Zibold, Tobias, Andlauer, Till, Birner, Stefan, Smith, R. Kent, Morschl, Richard, Vogl, Peter

“…nextnano is a simulation tool that aims at providing global insight into the basic physical properties of realistic three-dimensional mesoscopic semiconductor…”
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THz Intersubband Emitter based on Silicon 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, Jerome, Scalari, Giacomo

“…We present THz quantum cascade emitters realized on a Si substrate. The emission centered at 3.4 and 4.9 THz originates from L-valley transitions in…”
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Ballistic quantum transport using the contact block reduction (CBR) method by Birner, Stefan, Schindler, Christoph, Greck, Peter, Sabathil, Matthias, Vogl, Peter

“…The contact block reduction (CBR) method is a variant of the nonequilibrium Green’s function formalism and can be used to describe quantum transport in the…”
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Ballistic quantum transport using the contact block reduction (CBR) method: An introduction by Birner, Stefan, Schindler, Christoph, Greck, Peter, Sabathil, Matthias, Vogl, Peter

“…The contact block reduction (CBR) method is a variant of the nonequilibrium Green’s function formalism and can be used to describe quantum transport in the…”
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Bound-to-bound and bound-to-free transitions in surface photovoltage spectra : Determination of the band offsets for InxGa1-xAs and InxGa1-xAs1-yNy quantum wells by GALLUPPI, Massimo, GEELHAAR, Lutz, RIECHERT, Henning, HETTERICH, Michael, GRAU, Andreas, BIRNER, Stefan, STOLZ, Wolfgang

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