ECIO has run since 1981. Below are recent editions with links to their proceedings — this ECIO27 site does not host or duplicate that historical archive.
| Year | Host | Proceedings |
|---|---|---|
| 2026 | ETH Zurich, Switzerland | View on Optica.org → |
| 2025 | Cardiff University, UK | Not yet available |
| 2024 | RWTH Aachen University, Germany | View on SpringerLink → |
| 2023 | University of Twente, Netherlands | View proceedings → |
| 2022 | Politecnico di Milano, Italy | View proceedings → |
| 2020 | Paris-Saclay University, France | View proceedings → |
| 2019 | Ghent University, Belgium | View proceedings → |
| 2018 | Universitat Politècnica de València, Spain | View proceedings → |
| 2017 | Eindhoven University of Technology, Netherlands | View proceedings → |
| 2016 | Warsaw University of Technology, Poland | View proceedings → |
| 2014 | University Nice Sophia Antipolis, France | View proceedings → |
| 2012 | Sitges, Spain | View proceedings → |
| 2010 | Cambridge University, UK | View proceedings → |
| 2008 | Eindhoven University of Technology, Netherlands | View proceedings → |
| 2007 | DTU, Copenhagen, Denmark | View proceedings → |
| 2003 | Czech Technical University, Prague | View proceedings → |