Event Program and Speakers

Here you find the schedule of the sessions which will take place during the event, with the corresponding speakers.

You can download a calendar of the event here:

IQCLS 2024 – 30 years of QCLsDownload

Thursday – August 22

Session I, Interlevel emission from 2D systems — Session chair: Jérôme Faist, ETH Zürich

  • 13:00 – 13:30 — Introduction and welcome remarks by the organizing committee
  • 13:30 – 14:00 — Erich Gornik, TU Wien. The long search for tunable THz lasers and sources.
  • 14:00 – 14:30 — Gérald Bastard, École Normale Supérieure, Paris. Describing the eigenstates and lifetimes of electrons in QCLs and other heterostructures.
  • 14:30 – 15:00 — Manfred Helm, Helmholtz-Zentrum Dresden-Rossendorf, TU Dresden. A personal journey through four decades of THz sources, or how I didn’t invent the QCL.

Coffee Break, 15:00 -15:30

Session II, Non-linear optics in quantum structures — Session chair: Carlo Sirtori, ENS, Paris

  • 15:30 – 16:00 — Jacob Khurgin, Johns Hopkins University. Ambivalent role of intersubband scattering in QCLs, looking at it through the prism of time.
  • 16:00 – 16:30 — Kazuhiko Hirakawa, University of Tokyo. Quantum cascade structures for electron cooling.
  • 16:30 – 17:00 — Miriam Vitiello, CNR. Quantum cascade laser induced high harmonic generation in 2D materials.

Poster Session and Apero, 17:00 – 18:00

Friday – August 23

Session III, Quantum Cascade Lasers — Session chair: Erich Gornik, TU Wien

  • 9:00 – 9:30 — Jérôme Faist, ETH Zürich. It lives and prospers with an ultrafast gain: the Quantum Cascade Laser turns thirty.
  • 9:30 – 10:00 — Carlo Sirtori, École Normale Supérieure, Paris. Patch-antenna laser arrays and a short discussion on materials for QC Lasers.

Coffee Break, 10:00 – 10:30

Session IV, Quantum Cascade Lasers – Technology and integration — Session chair: Edmund Linfield, University of Leeds

  • 10:30 – 11:00 — Gottfried Strasser, TU Wien. Quantum Cascade material systems: growth, processing, integration.
  • 11:00 – 11:30 — Mikhail Belkin, TU Munich. Intersubband polaritonic nonlinear metasurfaces for flat mid-infrared nonlinear optics.

Lunch and visit to the laboratories of the Quantum Optoelectronics Group — 11:30 – 13:30

Session V, Quantum Cascade Lasers – Frequency combs in circular cavities — Session chair: Karl Unterrainer, TU Wien

  • 13:30 – 14:00 — Alexander Dikopoltsev, ETH Zürich. Manipulation of liquid light in fast-gain lasers.
  • 14:00 – 14:30 — David Burghoff, University of Texas. Bandwidth limits and gain shaping of frequency-modulated combs.
  • 14:30 – 15:00 — Giacomo Scalari, ETH Zürich. THz Quantum cascade lasers: from FM combs to pulses…and back.

Coffee Break, 15:00 -15:30

Session VI, Quantum Cascade Lasers – Applications — Session chair: Gottfried Strasser, TU Wien

  • 15:30 – 16:00 — Angela Vasanelli, Université Paris Cité. Unipolar quantum optoelectronics for free-space optical communications.
  • 16:00 – 16:30 — Lukas Emmenegger, EMPA. From the ground to the stratosphere – two decades of trace-gas detection by QCL direct absorption spectroscopy.
  • 16:30 – 17:00 — Jana Jagerska, The Arctic University of Norway. Mid-Infrared waveguides for on-chip laser absorption spectroscopy.

Poster Session, 17:00 – 18:00

Apero + Conference Dinner, 19:00

Saturday – August 24

Session VII, Quantum Cascade Lasers – Frequency combs and dynamics — Session chair: Giacomo Scalari, ETH Zürich

  • 9:00 – 9:30 — Benedikt Schwarz, TU Wien. Driving frequency comb research through the synergy of theory and experiment.
  • 9:30 – 10:00 — Michael Schreiber, TU Munich. Maxwell-Bloch based modeling of RF-modulated ring Quantum Cascade Lasers.
  • 10:00 – 10:30 — Dmitry Kazakov, Harvard University. The twisted route of ring QCL combs: from confusion to conviction.

Coffee Break, 10:30 – 11:00

Session VIII, Quantum Cascade Lasers – Integration and design –Session chair: Jana Jagerska, The Arctic University of Norway

  • 11:00 – 11:30 — Joshua Freeman, University of Leeds. Temporal and spectral control of terahertz quantum cascade lasers.
  • 11:30 – 12:00 — Thomas Grange, Nextnano GmbH. QCL design evolution analysed through non-equilibrium Green’s function simulations.
  • 12:00 – 12:30 — Longqi Zhou, University of Sheffield. Hybrid integration of Mid-IR Quantum Cascade Lasers on Ge-on-Si platform for on-chip sensing applications.

Conclusion

  • 13.30 – 15.30 — Visit to the laboratories of the Quantum Optoelectronics Group

Poster Presentations

Here you find a list of the posters which will be on display and available for discussion both during the coffee breaks and during the dedicated poster sessions. At the end of the event, prizes sponsored by DRS Daylight will be awarded to the top three poster presentations.

  • 1st prize: 500CHF
  • 2nd prize: 200CHF
  • 3rd prize: 100CHF