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Far-infrared Lasers Assembled using Silicon Heterostructures

Deliverables

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

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.

Project logo and website

The project logo will be created and the project website will be made accessible to the general public.

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.

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Publications

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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
DOI: 10.1515/nanoph-2020-0369

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
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
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
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
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
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
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
DOI: 10.1109/irmmw-thz.2019.8874294