VCSEL Day 2026

Welcome! The VCSEL Day 2026 took place at Ruhr University Bochum, Germany, on Friday, 11 September 2026.

The program is available: Download Program.

The abstract book can be found here: Download Abstract Book.

We thank all participants and speakers for joining the VCSEL Day 2026. It was a pleasure to exchange ideas and meet you all.

We look forward to seeing you again at the next VCSEL Day!

Markus Lindemann,
Martin Hofmann
and Team of Photonics and Terahertz Technology Group