BALLABIO, ANDREA
1 GHz electro-optical silicon-germanium modulator in the 5-9 µm wavelength range
2022-01-01 Nguyen, Thi Hao Nhi; Koompai, Natnicha; Turpaud, Victor; Montesinos-Ballester, Miguel; Peltier, Jonathan; Frigerio, Jacopo; Ballabio, Andrea; Giani, Raffaele; Coudevylle, Jean-René; Villebasse, Cédric; Bouville, David; Alonso-Ramos, Carlos; Vivien, Laurent; Isella, Giovanni; Marris-Morini, Delphine
A singlet-triplet hole spin qubit in planar Ge
2021-01-01 Jirovec, Daniel; Hofmann, Andrea; Ballabio, Andrea; Mutter, Philipp M.; Tavani, Giulio; Botifoll, Marc; Crippa, Alessandro; Kukucka, Josip; Sagi, Oliver; Martins, Frederico; Saez-Mollejo, Jaime; Prieto, Ivan; Borovkov, Maksim; Arbiol, Jordi; Chrastina, Daniel; Isella, Giovanni; Katsaros, Georgios
Analysis of Ge micro-cavities with in-plane tensile strains above 2%
2016-01-01 Millar, R. W.; Gallacher, K.; Frigerio, Jacopo; Ballabio, Andrea; Bashir, A.; Maclaren, I.; Isella, Giovanni; Paul, D. J.
Broadband control of the optical properties of semiconductors through site-controlled self-assembly of microcrystals
2020-01-01 Pedrini, J.; Biagioni, P.; Ballabio, A.; Barzaghi, A.; Bonzi, M.; Bonera, E.; Isella, G.; Pezzoli, F.
Broadband integrated racetrack ring resonators for long-wave infrared photonics
2019-01-01 Ramirez, Joan Manel; Liu, Qiankun; Vakarin, Vladyslav; Roux, Xavier L. E.; Frigerio, Jacopo; Ballabio, Andrea; Alonso-Ramos, Carlos; Talamas Simola, Enrico; Vivien, Laurent; Isella, Giovanni; Marris-Morini, Delphine
Characterization of integrated waveguides by atomic-force-microscopy-assisted mid-infrared imaging and spectroscopy
2020-01-01 Gallacher, K.; Millar, R. W.; Paul, D. J.; Frigerio, J.; Ballabio, A.; Isella, G.; Rusconi, F.; Biagioni, P.; Giliberti, V.; Sorgi, A.; Baldassarre, L.; Ortolani, M.
CMOS-Compatible Bias-Tunable Dual-Band Detector Based on GeSn/Ge/Si Coupled Photodiodes
2021-01-01 Talamas Simola, E.; Kiyek, V.; Ballabio, A.; Schlykow, V.; Frigerio, J.; Zucchetti, C.; De Iacovo, A.; Colace, L.; Yamamoto, Y.; Capellini, G.; Grutzmacher, D.; Buca, D.; Isella, G.
Composition determination of semiconductor alloys towards atomic accuracy by HAADF-STEM
2019-01-01 Duschek, L.; Kukelhan, P.; Beyer, A.; Firoozabadi, S.; Oelerich, J. O.; Fuchs, C.; Stolz, W.; Ballabio, A.; Isella, G.; Volz, K.
Design and Simulation of Ge-on-Si Photodetectors with Electrically Tunable Spectral Response
2019-01-01 De Iacovo, Andrea; Ballabio, Andrea; Frigerio, Jacopo; Colace, Lorenzo; Isella, Giovanni
Dissolution of donor-vacancy clusters in heavily doped n-type germanium
2020-01-01 Prucnal, Slawomir; Liedke, Maciej O; Wang, Xiaoshuang; Butterling, Maik; Posselt, Matthias; Knoch, Joachim; Windgassen, Horst; Hirschmann, Eric; Berencén, Yonder; Rebohle, Lars; Wang, Mao; Napoltani, Enrico; Frigerio, Jacopo; Ballabio, Andrea; Isella, Giovani; Hübner, René; Wagner, Andreas; Bracht, Hartmut; Helm, Manfred; Zhou, Shengqiang
Dual-Band Ge-on-Si Photodetector Array With Custom, Integrated Readout Electronics
2022-01-01 De Iacovo, A.; Mitri, F.; Ballabio, A.; Frigerio, J.; Isella, G.; Ria, A.; Cicalini, M.; Bruschi, P.; Colace, L.
Dynamics of Hole Singlet-Triplet Qubits with Large g-Factor Differences
2022-01-01 Jirovec, Daniel; Mutter, Philipp M.; Hofmann, Andrea; Crippa, Alessandro; Rychetsky, Marek; Craig, David L.; Kukucka, Josip; Martins, Frederico; Ballabio, Andrea; Ares, Natalia; Chrastina, Daniel; Isella, Giovanni; Burkard, Guido; Katsaros, Georgios
Electro-refraction in standard and symmetrically coupled Ge/SiGe quantum wells
2017-01-01 Frigerio, Jacopo; Vakarin, Vladylav; Chaisakul, Papichaya; Ballabio, Andrea; Chrastina, Daniel; Leone, Marco; Roux, Xavier Le; Vivien, Laurent; Isella, Giovanni; Marris Morini, Delphine
Ex-situ doping of epitaxially grown Ge on Si by ion-implantation and pulsed laser melting
2020-01-01 Milazzo, R.; Carraro, C.; Frigerio, J.; Ballabio, A.; Impellizzeri, G.; Scarpa, D.; Andrighetto, A.; Isella, G.; Napolitani, E.
GaAs epilayers grown on patterned (001) silicon substrates via suspended Ge layers
2019-01-01 Ballabio, A.; Bietti, S.; Scaccabarozzi, A.; Esposito, L.; Vichi, S.; Fedorov, A.; Vinattieri, A.; Mannucci, C.; Biccari, F.; Nemcsis, A.; Toth, L.; Miglio, L.; Gurioli, M.; Isella, G.; Sanguinetti, S.
Ge-rich graded SiGe waveguides and interferometers from 5 to 11 µm wavelength range
2020-01-01 Montesinos-Ballester, M.; Vakarin, V.; Liu, Q.; Le Roux, X.; Frigerio, J.; Ballabio, A.; Barzaghi, A.; Alonso-Ramos, C.; Vivien, L.; Isella, G.; Marris-Morini, D.
Ge-rich graded-index Si_1-xGex waveguides with broadband tight mode confinement and flat anomalous dispersion for nonlinear mid-infrared photonics
2017-01-01 Ramirez, J. M.; Vakarin, V.; Frigerio, Jacopo; Chaisakul, P.; Chrastina, Daniel; Le Roux, X.; Ballabio, Andrea; Vivien, L.; Isella, Giovanni; Marris Morini, D.
Ge/SiGe parabolic quantum wells
2019-01-01 Ballabio, A.; Frigerio, J.; Firoozabadi, S.; Chrastina, D.; Beyer, A.; Volz, K.; Isella, G.
Germanium-based integrated photonics from near- to mid-infrared applications
2018-01-01 Marris-Morini, Delphine; Vakarin, Vladyslav; Ramirez, Joan Manel; Liu, Qiankun; Ballabio, Andrea; Frigerio, Jacopo; Montesinos, Miguel; Alonso-Ramos, Carlos; Le Roux, Xavier; Serna, Samuel; Benedikovic, Daniel; Chrastina, Daniel; Vivien, Laurent; Isella, Giovanni
Graded SiGe waveguides with broadband low-loss propagation in the mid infrared
2018-01-01 Ramirez, J. M.; Liu, Q.; Vakarin, V.; Frigerio, J.; Ballabio, A.; Roux, X. L. E.; Bouville, D.; Vivien, L.; Isella, G.; Marris-Morini, D.