Photonics Webinar | Quantum Cascade Lasers: Recent Progress and Novel Applications
28 October 2025, 09:00 AM (EDT)

quantum cascade laser, frequency comb, modeling, simulations, integrated photonics, terahertz, microwaves
Welcome from the Chairs
2nd Photonics Webinar
Quantum Cascade Lasers: Recent Progress and Novel Applications
Join us for an engaging online webinar exploring the latest advancements in Quantum Cascade Lasers (QCLs). This session will highlight cutting-edge developments in the modeling and simulation of QCLs, as well as innovations in integrated photonic devices based on planarized THz QCLs. Attendees will gain insights into recent research trends and applications in the field.
Date: 28 October 2025
Time: 3:00 pm CEST | 9:00 am EDT | 9:00 pm CST Asia
Webinar ID: 836 9270 3359
Webinar Secretariat: journal.webinar@mdpi.com
Event Chairs

Italian Institute of Technology (IIT), Center for Materials Interfaces (CMI), Viale R. Piaggio, 34, 56024, Ponterdera, PI (Italy).
Andrea Ottomaniello received his master and PhD degrees at the Department of Physics at the University of Pisa. His studies focused on the development of terahertz (THz) technologies such as hybrid graphene plasmonic metasurface devices for THz modulation and novel microcavity designs and schemes for the dynamic control of THz quantum cascade lasers. His core expertise is based on micro-nanofabrication technologies, and he is currently a senior postdoc researcher at the Italian Institute of Technology (IIT) in the group of Dr. Virgilio Mattoli, where he works on the development of metamaterial-based technologies for sensing and photonic applications at THz and infrared frequencies via the engineering of fabrication processes which combines multi-photon direct laser writing and thin-film technologies.

Laboratory for Nanoscale Optics
John A. Paulson School of Engineering and Applied Sciences
Harvard University, USA
Urban Senica is presently a Postdoctoral Fellow at Harvard University in the group of Prof. Marko Lončar, where he conducts research on integrated nonlinear photonics with thin-film lithium niobate and semiconductor lasers. He completed his Ph.D. in Physics at ETH Zurich under the supervision of Prof. Giacomo Scalari and Prof. Jérôme Faist, where he developed an integrated photonics platform based on planarized terahertz quantum cascade lasers, frequency combs, microwave and passive components, for which he was awarded the ETH Medal. His previous research experience includes working on nanowire lasers at TU Munich, radiation-hard semiconductor particle detectors at CERN, and silicon solar cells at the University of Ljubljana.
Keynote Speakers

School of Electronic and Electrical Engineering, University of Leeds, LS2 9JT, Leeds, UK
Aleksandar Demić is a Lecturer at the School of Electronic and Electrical Engineering, University of Leeds, UK. He holds a PhD in Electrical Engineering and specializes in quantum device modeling, numerical simulation, and semiconductor physics. His research combines theoretical physics and advanced software development, with experience in C++, Python, and high‑performance computing. His work has contributed to the optimisation of terahertz Quantum Cascade Lasers and the design of the first intersubband Quantum Cascade Saser. He has authored several peer‑reviewed publications and is currently expanding his research interests toward interdisciplinary directions involving quantum devices and high‑performance computing.

Laboratory for Nanoscale Optics
John A. Paulson School of Engineering and Applied Sciences
Harvard University, USA
Urban Senica is presently a Postdoctoral Fellow at Harvard University in the group of Prof. Marko Lončar, where he conducts research on integrated nonlinear photonics with thin-film lithium niobate and semiconductor lasers. He completed his Ph.D. in Physics at ETH Zurich under the supervision of Prof. Giacomo Scalari and Prof. Jérôme Faist, where he developed an integrated photonics platform based on planarized terahertz quantum cascade lasers, frequency combs, microwave and passive components, for which he was awarded the ETH Medal. His previous research experience includes working on nanowire lasers at TU Munich, radiation-hard semiconductor particle detectors at CERN, and silicon solar cells at the University of Ljubljana.
Registration
This is a FREE webinar. After registering, you will receive a confirmation email containing information on how to join the webinar. Registrations with academic institutional email addresses will be prioritized.
Certificates of attendance will be delivered to those who attend the live webinar.
Can’t attend? Register anyway and we’ll let you know when the recording is available to watch.
Relevant Special Issue
Quantum Cascade Lasers: Recent Progress and Novel Applications
Guest Editors: Dr. Andrea Ottomaniello and Dr. Urban Senica
Deadline for manuscript submissions: 31 January 2026
Program
Andrea Ottomaniello (Chair 1) Chair Introduction |
3:00 - 3:10 pm |
Aleksandar Demić (Speaker 1) Semicondcutor Superlattice Modelling and Optimisation: From Theory to Application |
3:10 - 3:30 pm |
Urban Senica (Speaker 2) Planarized THz QCLs and Frequency Combs |
3:30 - 3:50 pm |
Q&A |
3:50 - 4:20 pm |
Andrea Ottomaniello (Chair 1) Closing of Webinar |
4:20 - 4:30 pm |