Epitaxy and Processing: VCSELs, QCLs, and InGaAs Detectors

Dec 16, 2021
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Presented by
VIGO Photonics
About This Webinar
Wlodzimierz Strupinski, Ph.D., and Marcin Gebski, Ph.D., of VIGO Photonics offer perspective to industry specialists and experts who share a technological interest in the epitaxy, processing, and integration of vertical-cavity surface-emitting lasers (VCSELs), quantum cascade lasers (QCLs), and indium gallium arsenide (InGaAs) devices. 

They explain the manufacturing process for achieving state-of-the-art compound semiconductors and devices and invite an industry-wide discussion for exchanging ideas and sparking inspiration for innovative photonic products. Strupinski and Gebski are joined by colleagues Iwona Pasternak, Ph.D., Walery Kolkowski, Ph.D., and Jacek Strupinski for a live Q&A at the end of the webinar.

Who should attend:
R&D scientists, engineers, and manufacturing specialists, managers, and buyers who work with laser technologies and materials for industries ranging from aerospace to biophotonics to consumer applications. The focal technologies of this webinar are VCSELs, QCLs, and InGaAs. Anyone interested in learning more about how devices reliant on these lasers are built and implemented, and how they can be applied in the future, is invited to join the discussion in this event.

About the presenters:
Wlodzimierz Strupinski, Ph.D., is head of Epitaxy Department III-V MOCVD at VIGO Photonics. Before joining VIGO Photonics, he was head of the Epitaxy and Characterization Department at the Institute of Electronic Materials Technology (ITME), which was composed of 25 professionals with in-depth knowledge and expertise in semiconductors physics, epitaxial growth of semiconductor compounds, and material characterization. Strupinski’s activities focus on III-V and IV-IV epitaxial materials research and production for advanced electronics, as well as on research and industrial applications of graphene. He holds a doctorate in physics.


Marcin Gebski, Ph.D., received his Master of Science and doctoral degrees in technical physics from Lodz University of Technology in 2012 and 2017, respectively. From 2015 to 2019, he worked at the Technical University of Berlin, where he manufactured the world's first VCSEL that used a monolithic high-contrast grating mirror, and developed several datacom VCSEL structures. His main research interests are VCSELs, subwavelength gratings, and photonic integrated structures. At VIGO Photonics, he is responsible for developing the company’s various VCSEL and VCSEL array technologies.


Iwona Pasternak, Ph.D., is a senior epitaxy engineer in the Epitaxy Department at VIGO Photonics. She also collaborates with the Faculty of Physics at Warsaw University of Technology (WUT) to develop graphene and other growth technology for 2D materials. At VIGO Photonics, she focuses on characterizing and manufacturing epitaxial structures of III-V semiconducting compounds. She holds a doctorate in materials engineering.



Walery Kolkowski (V. Kolkovsky), Ph.D., completed his doctorate in semiconductor physics at the Institute of Physics Polish Academy of Sciences. His research there focused on the growth of thin II-VI semiconductor structures and nanostructures by molecular beam epitaxy (MBE). After receiving his doctorate, Kolkowski moved to Germany in 2017 to work as a postdoc at the Technische Universitat, Dresden. In 2019, he joined VIGO Photonics as a senior engineer in the Epitaxy Department. In this role, he focuses on the MOCVD growth of novel semiconductor structures, dissimilar materials integration, and strained thin-film heterostructures.


Jacek Strupinski is a business development specialist at VIGO Photonics. He is a startup enthusiast with cross-industry experience. In VIGO Photonics’ Epitaxy Division, he is responsible for global sales and marketing of III-V epi-wafers for photonics and microelectronics applications. He received a Master of Science degree in international management from the CEMS program at Copenhagen Business School and Warsaw School of Economics.



About VIGO Photonics:
VIGO Photonics manufactures exceptionally high-quality III-V epitaxial structures for use in sophisticated electronics such as lasers, photodetectors, transistors, photovoltaic cells, and other devices. As one of the few companies involved in this market, VIGO Photonics offers a broad range of high-quality epi-wafers, which can be produced in large volumes as well as in small test batches.

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