The 18th Annual Meeting Photonic Devices (AMPD2026) has been successfully held at Zuse Institute Berlin on 28-30 April 2026. 9 invited talks, 26 contributed talks and 20 poster presentations related to numerical methods, simulation and physical properties of novel photonic devices. Fruitful discussion among the 95 international participants of the on-site 3-day workshop was supported by a social event at the Berlin Wall Memorial, Bernauer Straße, a joint dinner and pizza breaks. The workshop has been organized by the Computational Nano Optics group at Zuse Institute Berlin, it has been sponsored by MATH+ and by JCMwave.