Deliverables Documents, reports (5) Project Management Guidelines This document will summarise information about: project organisation; communication among partners (including web resources) and conflict management; organisation of deliverables and reports; financial management; quality procedures to be adopted by all participants; maintain a risk register Final Dissemination Report In this document the pubblic results obtained in the project will be exposed Simulation platform for carrier relaxation dynamics and material gain, experimentally calibrated and validated to be used to feed design tools for QCL optimization This report will disclose publicly the simulation platform developed to describe the carrier relaxation dynamics and the material gain, after its experimental validation and calibration. This platform will be used to feed design tools for QCL optimization Report on magneto-transport and electroluminescence measurement on test structure In this document transport, magneto-transport and Electroluminescence measurement results obtained on test structures made on MQW test structures and their comparison to predictions of the simulation tools will be reported. Kick-Off Meeting Report This report will collect the outcome of the kick-off meeting Demonstrators, pilots, prototypes (3) Demonstration on THz quantum cascade laser based on Ge/SiGe quantum wells between 2 and 10 THz and power ≥1mW Data proving the achievement of a THz quantum cascade laser based on Ge/SiGe quantum wells between 2 and 10 THz and emission power ≥1mW will be publicly disclosed. Demonstration of single plasmon and/or double plasmon WGs designs with optical losses below 25 cm–1 for active material operating between 2 and 10 THz Data demonstrating the achievement of either a single plasmon and/or double plasmon WGs designs with optical losses below 25 cm–1 for active material operating between 2 and 10 THz will be published. Demonstration of an optimised WG or cavity technology design with optical losses below 20 cm–1 for ≤ 10 µm active material operating between 2 and 10 THz Data demonstrating the achievement of an optimised WG or cavity technology design with optical losses below 20 cm–1 for ≤ 10 µm active material operating between 2 and 10 THz will be published. Websites, patent fillings, videos etc. (1) Project logo and website The project logo will be created and the project website will be made accessible to the general public. Open Research Data Pilot (1) Data management plan This document provides the plan for managing the data generated and collected during the project. It covers: a) the handling of research data during and after the project, b) what data will be collected, processed or generated, c) what methodology and standards will be applied, d) whether data will be shared/made open and how and e) how data will be curated and preserved. Publications Peer reviewed articles (18) THz intersubband absorption in n-type Si 1− x Ge x parabolic quantum wells Author(s): Michele Montanari, Chiara Ciano, Luca Persichetti, Cedric Corley, Leonetta Baldassarre, Michele Ortolani, Luciana Di Gaspare, Giovanni Capellini, David Stark, Giacomo Scalari, Michele Virgilio, Monica De Seta Published in: Applied Physics Letters, Issue 118/16, 2021, Page(s) 163106, ISSN 0003-6951 Publisher: American Institute of Physics DOI: 10.1063/5.0048344 Electron-phonon coupling in n-type Ge two-dimensional systems Author(s): Ciano, C.; Persichetti, L.; Montanari, M.; Di Gaspare, L.; Capellini, G.; Baldassarre, L.; Ortolani, M.; Pashkin, O.; Helm, M.; Winnerl, S.; Virgilio, M.; Seta, M. Published in: Physical Review B, Issue 102, 2020, ISSN 2469-9950 Publisher: American Physical Society DOI: 10.5281/zenodo.4095505 Terahertz Intersubband Electroluminescence from Nonpolar m-Plane ZnO Quantum Cascade Structures Author(s): Bo Meng, Borislav Hinkov, Nolwenn Marie L. Biavan, Hanh T. Hoang, Denis Lefebvre, Maxime Hugues, David Stark, Martin Franckié, Almudena Torres-Pardo, Julen Tamayo-Arriola, Miguel M. Bajo, Adrian Hierro, Gottfried Strasser, Jérôme Faist, Jean M. Chauveau Published in: ACS Photonics, Issue 8/1, 2021, Page(s) 343-349, ISSN 2330-4022 Publisher: American Chemical Society DOI: 10.1021/acsphotonics.0c01641 THz intersubband electroluminescence from n-type Ge/SiGe quantum cascade structures Author(s): David Stark, Muhammad Mirza, Luca Persichetti, Michele Montanari, Sergej Markmann, Mattias Beck, Thomas Grange, Stefan Birner, Michele Virgilio, Chiara Ciano, Michele Ortolani, Cedric Corley, Giovanni Capellini, Luciana Di Gaspare, Monica De Seta, Douglas J. Paul, Jérôme Faist, Giacomo Scalari Published in: Applied Physics Letters, Issue 118/10, 2021, Page(s) 101101, ISSN 0003-6951 Publisher: American Institute of Physics DOI: 10.1063/5.0041327 Formation of extended thermal etch pits on annealed Ge wafers Author(s): L. Persichetti, M. Fanfoni, M. De Seta, L. Di Gaspare, L. Ottaviano, C. Goletti, A. Sgarlata Published in: Applied Surface Science, Issue 462, 2018, Page(s) 86-94, ISSN 0169-4332 Publisher: Elsevier BV DOI: 10.1016/j.apsusc.2018.08.075 Room temperature operation of n -type Ge/SiGe terahertz quantum cascade lasers predicted by non-equilibrium Green's functions Author(s): Thomas Grange, David Stark, Giacomo Scalari, Jérôme Faist, Luca Persichetti, Luciana Di Gaspare, Monica De Seta, Michele Ortolani, Douglas J. Paul, Giovanni Capellini, Stefan Birner, Michele Virgilio Published in: Applied Physics Letters, Issue 114/11, 2019, Page(s) 111102, ISSN 0003-6951 Publisher: American Institute of Physics DOI: 10.1063/1.5082172 Control of Electron-State Coupling in Asymmetric Ge / Si − Ge Quantum Wells Author(s): C. Ciano, M. Virgilio, M. Montanari, L. Persichetti, L. Di Gaspare, M. Ortolani, L. Baldassarre, M.H. Zoellner, O. Skibitzki, G. Scalari, J. Faist, D.J. Paul, M. Scuderi, G. Nicotra, T. Grange, S. Birner, G. Capellini, M. De Seta Published in: Physical Review Applied, Issue 11/1, 2019, ISSN 2331-7019 Publisher: APS DOI: 10.1103/physrevapplied.11.014003 Photoluminescence study of interband transitions in few-layer, pseudomorphic, and strain-unbalanced Ge/GeSi multiple quantum wells Author(s): M. Montanari, M. Virgilio, C. L. Manganelli, P. Zaumseil, M. H. Zoellner, Y. Hou, M. A. Schubert, L. Persichetti, L. Di Gaspare, M. De Seta, E. Vitiello, E. Bonera, F. Pezzoli, G. Capellini Published in: Physical Review B, Issue 98/19, 2018, ISSN 1098-0121 Publisher: American Physical Society DOI: 10.1103/PhysRevB.98.195310 Disentangling elastic and inelastic scattering pathways in the intersubband electron dynamics of n-type Ge/SiGe quantum fountains Author(s): Bagolini, Luigi; Montanari, Michele; Persichetti, Luca; Di Gaspare, Luciana; Capellini, Giovanni; Ortolani, Michele; De Seta, Monica; Virgilio, Michele Published in: Physical Review B 101, 245302 (2020), 2020, ISSN 1098-0121 Publisher: American Physical Society DOI: 10.5281/zenodo.3824767 Terahertz absorption-saturation and emission from electron-doped germanium quantum wells Author(s): Chiara Ciano, Michele Virgilio, Luigi Bagolini, Leonetta Baldassarre, Alexej Pashkin, Manfred Helm, Michele Montanari, Luca Persichetti, Luciana Di Gaspare, Giovanni Capellini, Douglas J. Paul, Giacomo Scalari, Jèrome Faist, Monica De Seta, Michele Ortolani Published in: Optics Express, Issue 28/5, 2020, Page(s) 7245, ISSN 1094-4087 Publisher: Optical Society of America DOI: 10.1364/OE.381471 Intersubband transition engineering in the conduction band of asymmetric coupled Ge/SiGe quantum wells Author(s): Persichetti, Luca; Montanari, Michele; Ciano, Chiara; Di Gaspare, Luciana; Ortolani, Michele; Baldassarre, Leonetta; Zoellner, Marvin H.; Mukherjee, Samik; Moutanabbir, Oussama; Capellini, Giovanni; Virgilio, Michele; De Seta, Monica Published in: Crystals, 2020, ISSN 2073-4352 Publisher: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.5281/zenodo.3665453 Electron Population Dynamics in Optically Pumped Asymmetric Coupled Ge/SiGe Quantum Wells: Experiment and Models Author(s): Chiara Ciano, Michele Virgilio, Luigi Bagolini, Leonetta Baldassarre, Andrea Rossetti, Alexej Pashkin, Manfred Helm, Michele Montanari, Luca Persichetti, Luciana Di Gaspare, Giovanni Capellini, Douglas J. Paul, Giacomo Scalari, Jèrome Faist, Monica De Seta, Michele Ortolani Published in: Photonics, Issue 7/1, 2020, Page(s) 2, ISSN 2304-6732 Publisher: MDPI DOI: 10.3390/PHOTONICS7010002 Photon-Driven Broadband Emission and Frequency Comb RF Injection Locking in THz Quantum Cascade Lasers Author(s): Andres Forrer, Martin Franckié, David Stark, Tudor Olariu, Mattias Beck, Jérôme Faist, Giacomo Scalari Published in: ACS Photonics, Issue 7/3, 2020, Page(s) 784-791, ISSN 2330-4022 Publisher: American Chemical Society DOI: 10.1021/acsphotonics.9b01629 Temperature dependence of strain–phonon coefficient in epitaxial Ge/Si(001): A comprehensive analysis Author(s): C.L. Manganelli, M. Virgilio, O. Skibitzki, M. Salvalaglio, D. Spirito, P. Zaumseil, Y. Yamamoto, M. Montanari, W.M. Klesse, G. Capellini Published in: Journal of Raman Spectroscopy, 2020, ISSN 0377-0486 Publisher: John Wiley & Sons Inc. DOI: 10.1002/jrs.5860 Atomic-Scale Insights into Semiconductor Heterostructures: From Experimental Three-Dimensional Analysis of the Interface to a Generalized Theory of Interfacial Roughness Scattering Author(s): T. Grange, S. Mukherjee, G. Capellini, M. Montanari, L. Persichetti, L. Di Gaspare, S. Birner, A. Attiaoui, O. Moutanabbir, M. Virgilio, M. De Seta Published in: Physical Review Applied, Issue 13/4, 2020, ISSN 2331-7019 Publisher: APS DOI: 10.1103/physrevapplied.13.044062 Design and simulation of losses in Ge/SiGe terahertz quantum cascade laser waveguides Author(s): K. Gallacher, M. Ortolani, K. Rew, C. Ciano, L. Baldassarre, M. Virgilio, G. Scalari, J. Faist, L. Di Gaspare, M. De Seta, G. Capellini, T. Grange, S. Birner, D. J. Paul Published in: Optics Express, Issue 28/4, 2020, Page(s) 4786, ISSN 1094-4087 Publisher: Optical Society of America DOI: 10.1364/oe.384993 Reduction of threading dislocation density beyond the saturation limit by optimized reverse grading Author(s): Oliver Skibitzki; Marvin Hartwig Zoellner; Fabrizio Rovaris; Markus Andreas Schubert; Yuji Yamamoto; Luca Persichetti; Luciana Di Gaspare; Monica De Seta; Riccardo Gatti; Francesco Montalenti; Giovanni Capellini Published in: Physical Review Materials, Issue 4, 2020, ISSN 2475-9953 Publisher: American Physical Society DOI: 10.5281/zenodo.4095543 Two-dimensional spectroscopy on a THz quantum cascade structure Author(s): Sergej Markmann, Martin Franckié, Shovon Pal, David Stark, Mattias Beck, Manfred Fiebig, Giacomo Scalari, Jérôme Faist Published in: Nanophotonics, Issue 10/1, 2020, Page(s) 171-180, ISSN 2192-8614 Publisher: De Gruyter DOI: 10.1515/nanoph-2020-0369 Conference proceedings (7) Electron-doped SiGe Quantum Well Terahertz Emitters pumped by FEL pulses Author(s): C. Ciano, D. Stark, G. Scalari, J. Faist, K. Rew, D. J. Paul, T. Grange, S. Birner, A. Pashkin, M. Helm, L. Baldassarre, M. Montanari, M. Ortolani, M. De Seta, L. Persichetti, L. Di Gaspare, M. Virgilio, L. Bagolini, G. Capellini, M. Zoellner, O. Skibitzki Published in: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2019, Page(s) 1-2, ISBN 978-1-5386-8285-2 Publisher: IEEE DOI: 10.1109/irmmw-thz.2019.8873894 Si-based n-type THz Quantum Cascade Emitter Author(s): D. Stark, M. Ortolani, L. Baldassarre, M. Virgilio, T. Grange, S. Birner, K. Rew, D.J. Paul, J. Faist, G. Scalari, L. Persichetti, M. Montanari, C. Ciano, L. Di Gaspare, M. De Seta, M. Zollner, O. Skibitzki, G. Capellini Published in: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2019, Page(s) 1-2, ISBN 978-1-5386-8285-2 Publisher: IEEE DOI: 10.1109/irmmw-thz.2019.8874354 n-type Ge/SiGe Multi Quantum-Wells for a THz Quantum Cascade Laser Author(s): Ciano, Chiara; Di Gaspare, Luciana; Montanari, Michele; Persichetti, Luca; Baldassarre, Leonetta; Ortolani, Michele; Capellini, Giovanni; Skibitzki, Oliver; Zoellner, Marvin; Faist, Jerome; Scalari, Giacomo; Stark, David; Paul, Douglas J.; Rew, Kirsty; Moutanabbir, Oussama; Mukherjee, Samik; Grange, Thomas; Birner, Stefan; Virgilio, Michele; De Seta, Monica Published in: ECS Transactions, Issue 93/1, 2019, Page(s) 63-66, ISSN 1938-5862 Publisher: Electrochemical Society, Inc. DOI: 10.5281/zenodo.3541556 Broadband On-Chip Thz Frequency Combs Author(s): Giacomo Scalari, Andres Forrer, Tudor Olariu, David Stark, Mattias Beck, Jerome Faist Published in: 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2018, Page(s) 1-2, ISBN 978-1-5386-3809-5 Publisher: IEEE DOI: 10.1109/IRMMW-THz.2018.8510358 Perspectives on electrically pumped Ge/SiGe QW emitters at THz frequencies Author(s): C. Ciano, M. Montanari, L. Persichetti, D. Stark, G. Scalari, J. Faist, L.Di Gaspare, G. Capellini, C. Corley, T. Grange, S. Birner, M. Virgilio, L. Baldassarre, M. Ortolani, M. De Seta Published in: 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2020, Page(s) 1-2, ISBN 978-1-7281-6620-9 Publisher: IEEE DOI: 10.1109/irmmw-thz46771.2020.9370671 N-Type Ge/SiGe Quantum Cascade Heterostructures for THz Emission Author(s): D. Stark, M. Ortolani, L. Baldassarre, M. Virgilio, T. Grange, S. Birner, K. Rew, D. J. Paul, J. Faist, G. Scalari, L. Persichetti, M. Montanari, C. Ciano, L. Di Gaspare, M. De Seta, M. Zoellner, O. Skibitzki, G. Capellini Published in: 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 2019, Page(s) 1-1, ISBN 978-1-7281-0469-0 Publisher: IEEE DOI: 10.1109/cleoe-eqec.2019.8872902 High-Quality n-Type Ge/SiGe Multilayers for THz Quantum Cascade Lasers Author(s): M. Montanari, G. Scalari, J. Faist, D.J. Paul, T. Grange, S. Birner, M. Scuderi, G. Nicotra, O. Moutanabbir, S. Mukherjee, L. Baldassarre, C. Ciano, M. Ortolani, M. De Seta, L. Persichetti, L. Di Gaspare, M. Virgilio, G. Capellini, M. Zoellner, O. Skibitzki, D. Stark Published in: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2019, Page(s) 1-2, ISBN 978-1-5386-8285-2 Publisher: IEEE DOI: 10.1109/irmmw-thz.2019.8874294 Searching for OpenAIRE data... 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