| Zbig Wasilewski | Univ. of Waterloo 🇨🇦 | Tutorial | MBE for terahertz—the quest for compact and powerful room temperature emitters |
| Benedikt Schwarz | TUW 🇦🇹 | Tutorial | Mid-infrared semiconductor laser frequency combs: From physics to devices |
| Francesco Cappelli | INO 🇮🇹 | Tutorial | Quantum cascade laser frequency combs: metrological properties and quantum optical investigation |
| Miriam Vitiello | SNS Nest 🇮🇹 | Tutorial | Quantum cascade resonators as powerful tools for near field quantum nanoscopy in the far infrared |
| Jean-François Lampin | IEMN 🇫🇷 | Tutorial | Terahertz molecular lasers |
| Lukas Emmenegger | EMPA 🇨🇭 | Tutorial | Mid-infrared laser spectroscopy for environmental trace-gas sensing |
| Marco Piccardo | IIT 🇮🇹 | Tutorial | Tutorial on cavity solitons |
| Roland Teissier | CNRS - Université Montpellier 🇫🇷 | Tutorial | From research to commercialization and applications of InAs-based long-wavelength QCLs |
| Hatice Altug | EPFL 🇨🇭 | Keynote | Mid-Infrared Metasurfaces for Biosensing and Imaging |
| Ido Kaminer | Technion 🇮🇱 | Keynote | Quantum Optics with free electrons |
| Cristina Benea-Chelmus | EPFL 🇨🇭 | Keynote | On-chip non-linear THz emission and detection |
| Jean-Baptiste Rodriguez | CNRS - Université Montpellier 🇫🇷 | Invited | Cascade lasers epitaxially grown on Silicon substrates |
| Jean-Michel Manceau | C2N 🇫🇷 | Invited | Intersubband polariton-polariton stimulated scattering in a dispersive microcavity |
| Qijie Wang | NTU 🇸🇬 | Invited | Electrically pumped topological quantum cascade lasers with topological protection and polarization control |
| Philipp Täschler | ETH Zürich 🇨🇭 | Invited | Sub-ps pulses from Mid-IR QCLs |
| Goran Mashanovich | Univ. of Southampton 🇬🇧 | Invited | Silicon photonics integrated circuits for mid-infrared sensing |
| R.T. Chen | Univ. Texas at Austin 🇺🇸 | Invited | Mid-IR Integrated Photonics for Sensing and Communications |
| Paolo Micheletti | ETH Zürich 🇨🇭 | Invited | THz frequency combs from dispersion-compensated antenna-coupled ring quantum cascade lasers |
| Dmitry Kazakov | Harvard University 🇺🇸 | Invited | Integrated active waveguides enable coherent control of ring quantum cascade laser frequency combs |
| Robert Weih | Nanoplus GmbH 🇩🇪 | Invited | Latest news and challenges in commercial ICLs/QCLs for real life application |
| Kai Wang | Shanghai Institute of Technical Physics 🇨🇳 | Invited | Terahertz quantum cascade lasers with orbital angular momentum |
| Benjamin Williams | UCLA 🇺🇸 | Invited | RF-injection induced multimoding in THz QC-VECSELs |
| Pierre Jouy | IR Sweep 🇨🇭 | Invited | High resolution quantum cascade laser dual-comb spectroscopy in step-sweep mode |